Free Online Tools

Rewrite the habits that make prose read as machine-written - inflated vocabulary, hedge phrases, em dashes, and connective filler.

Measure the patterns that make text read as machine-written: sentence-length variation, overused vocabulary, hedging and em dash density.

See the GPS location, camera and timestamps hidden in a photo, then strip them without re-encoding a single pixel.

Detect and remove invisible Unicode characters from AI text - zero-width joiners, variation selectors, bidi controls, and tag characters.

Remove the background from any photo with AI, at full resolution, client-side

Reword any text in six tones while keeping names and numbers intact. Free, no signup, and your text is not stored.

Turn a text prompt into a 512 x 512 image in a few seconds with an open model on the Toolz server. Eight style presets. Free, no signup.

Describe an image in words and get three alt texts (short, detailed and SEO-friendly) for your context. Free, no signup, and your text is not stored.

Write a sincere apology letter to a friend, partner, boss, client or teacher that takes responsibility without excuses. Free, no signup, and your text is not stored.

Turn an article or blog post into an email newsletter with a subject line, preview text, short sections and a call to action. Free, no signup, and your text is not stored.

Write five personal birthday wishes for anyone, from a best friend to your boss, in the style you pick. Free, no signup, and what you type is not stored.

Turn a blog topic into a full H2 and H3 outline with notes, an FAQ section and a closing call to action. Free, no signup, and your topic is not stored.

Paste a blog post and get eight ready-to-edit social posts: three for X, two for LinkedIn, two Instagram captions and one for Facebook. Free, no signup, and your draft is not stored.

Write an About Us page and brand story from what your business does, how it started and its mission. Free, no signup, and your details are not stored.

Get 20 business name ideas, each with a short reason it works, from an AI model. Free, no signup, and your idea is not stored.

Create two detailed buyer personas for a B2B or B2C product, with assumptions marked. Free, no signup, and your customer notes are not stored.

Write five social media captions for Instagram, Facebook, TikTok, X or LinkedIn in the mood you pick. Free, no signup, and what you type is not stored.

Describe what the code should do and get commented code in one of 15 languages, from Python and TypeScript to SQL and Bash, with an explanation and a usage example.

Write three short cold email variations with subject lines and a day-4 follow-up for sales outreach. Free, no signup, and prospect details are not stored.

Plan two weeks, 30 days or a quarter of posts across your platforms, with a caption idea for each. Free, no signup, and your plans are not stored.

Get an estimate of whether text reads as AI-generated, human-written or mixed, with the quoted signals behind it. Free, no signup, and the text is not stored.

Turn an article or blog post into a spoken video script with a hook, intro, sections, B-roll ideas and an outro. Free, no signup, and your content is not stored.

Draft blog posts, ad copy, product descriptions, emails, social posts, headlines, slogans and bios in six tones. Free, no signup, and your brief is not stored.

Design a course outline with learning outcomes, modules, lessons and exercises. Free, no signup, and your course idea is not stored.

Write a cover letter for a specific job and company from your experience. Free, no signup, and your details are not stored.

Write three 30 or 60 second elevator pitches from a few lines about what you do. Free, no signup, and what you type is not stored.

Generate 15 email subject lines in mixed styles, plus preview text for the best five. Free, no signup, and campaign details are not stored.

Write a follow-up, request, thank-you, apology or meeting email in five tones, subject line included. Free, no signup, and what you type is not stored.

Draft a structured essay from a topic, essay type, academic level and target length. Free, no signup, and your topic is not stored.

Explain any topic in simple words, with an everyday analogy and one concrete example, for a 5-year-old, a 10-year-old, a teenager or an adult with no background.

Write three Facebook and Instagram ad variations, each with a headline, primary text, description and call-to-action button. Free, no signup, and your product details are not stored.

Write an FAQ section of 6 to 12 questions and answers about a product, service or topic. Free, no signup, and your description is not stored.

Write 15 headlines, 4 descriptions, sitelink ideas and callouts for a Google responsive search ad. Free, no signup, and your brief is not stored.

Find grammar, spelling and punctuation errors in American, British, Australian or Canadian English, with a reason for each fix and a corrected copy. Free, and your text is not stored.

Generate 10 to 30 hashtags for an Instagram, TikTok, X, LinkedIn or YouTube post, mixing broad, mid-size and niche tags. Free, no signup, and your post is not stored.

Paste your post and the hashtags you use now, and get a review of which to keep, drop or replace plus an improved set. Free, no signup, and your post is not stored.

Score a headline out of 100 for a blog, email, YouTube video, news story, landing page or social post, see its strengths and weaknesses, and get five better versions.

Extract text from a photo or screenshot in 13 languages with Tesseract OCR running in your browser. Free, no signup, and your image is never uploaded.

Write three Instagram captions with a hook first line, a short body, a call to action and the number of hashtags you choose. Free, no signup, and your post is not stored.

Get 12 interview questions for any role and seniority, with answer guidance for candidates or red flags for interviewers. Free, no signup, and nothing you type is stored.

Turn a job title and a list of duties into a clear, inclusive job description. Free, no signup, and the role details are not stored.

Turn a seed topic into 30 keyword ideas grouped by search intent, plus five content ideas. Free, no signup, and your topics are not stored.

Draft landing page copy from hero headline to closing call to action. Free, no signup, and your product details are not stored.

Write a formal, business, complaint, leave, recommendation, permission or request letter in proper letter format. Free, no signup, and your details are not stored.

Write 10 LinkedIn headlines of up to 220 characters from your role, industry and achievements, aimed at your goal. Free, no signup, and your details are not stored.

Turn an idea, lesson or update into a LinkedIn post with a strong first line, short paragraphs and a closing question. Free, no signup, and your draft is not stored.

Write a 200-300 word LinkedIn About section in the first person from your role, background and achievements. Free, no signup, and your details are not stored.

Create a timed meeting agenda with a goal, preparation, owners and a section for decisions. Free, no signup, and your meeting details are not stored.

Write six meta descriptions matched to a page's search intent. Free, no signup, and nothing you type is stored.

Get 15 podcast name ideas with a one-line description each, in the style you choose. Free, no signup, and your show idea is not stored.

Write podcast show notes from an episode summary or transcript highlights: title, summary, key takeaways, quotes and sections. Free, no signup, and your transcript is not stored.

Write a free verse, rhyming, haiku, sonnet, limerick or acrostic poem in six moods from any subject. Free, no signup, and what you write is not stored.

Write a press release in standard news format, with headline, dateline, quote, boilerplate and media contact. Free, no signup, and your announcement is not stored.

Turn product features into a headline, a benefit paragraph and five bullet points for your store. Free, no signup, and product details are not stored.

Turn your star rating and notes on what you liked and disliked into a clear first-person product review. Free, no signup, and your notes are not stored.

Turn a vague prompt into a specific one for a chat model, an image AI, a coding assistant or a research assistant, with what changed and two alternatives.

Make a quiz from a topic or your own notes, with an answer key and explanations. Free, no signup, and your notes are not stored.

Get an estimated reading grade level, the hardest sentences, jargon with plainer alternatives and a simplified rewrite for your intended reader. Free, and your text is not stored.

Write a polite resignation letter with your last day, thanks and a handover offer. Free, no signup, and your details are not stored.

Turn rough notes about your jobs, education and skills into an ATS-friendly resume. Free, no signup, and your personal data is not stored or used for training.

Paste a customer review and get three replies in the tone you choose. Free, no signup, and the review is not stored.

Write five title tags and five meta descriptions for a page from its target keyword. Free, no signup, and your page copy is not stored.

Write 15 slogans and taglines for a brand in the tone you choose. Free, no signup, and your brand details are not stored.

Write eight profile bios for Instagram, TikTok, X, LinkedIn, YouTube or Threads, sized to each platform's limit. Free, no signup, and what you type is not stored.

Turn a story idea into flash fiction or a short story in eight genres, from fantasy to children's stories. Free, no signup, and your ideas are not stored.

Summarize articles, reports, email threads and notes in one sentence, a short paragraph, bullet points or a detailed summary. Free, no signup, and your text is not stored.

Write a SWOT analysis with strengths, weaknesses, opportunities, threats and three strategies. Free, no signup, and your plans are not stored.

Write two polite emails asking a client for a review on Google, Trustpilot, LinkedIn or your website. Free, no signup, and client details are not stored.

Turn English text into natural speech with 8 voices and a speed control, using Piper TTS. Play it or download a WAV. Free, no signup, text not stored.

Write three thank-you notes for a gift, a favor, an interview or a wedding, naming the thing and why it mattered. Free, no signup, and what you type is not stored.

Get 30 TikTok hashtags for a video, grouped into broad, niche, long-tail and community tags. Free, no signup, and your video idea is not stored.

See how an email, message or post comes across: primary tone, sentiment, formality from 1 to 10, undertones and the phrases to change. Free, and your text is not stored.

Translate text between 20 languages, including Hindi, Tamil, Arabic, Chinese and Japanese, keeping tone and formatting. Free, no signup, and your text is not stored.

Turn a topic into a numbered X (Twitter) thread of 5, 8-10 or 15 posts, each under 280 characters. Free, no signup, and your topic is not stored.

Write 10 opening hooks for the first seconds of a YouTube, TikTok, Reels or Shorts video. Free, no signup, and your video idea is not stored.

Draft a 2 to 5 minute wedding speech for the best man, maid of honor, a parent or the couple, built from your own stories. Free, no signup, and your stories are not stored.

Paste your own numbers from YouTube Studio and recent video views, and an AI model explains what they show and gives a 5-point plan. Free, no signup, and your data is not stored.

Get 15 YouTube channel name ideas for your niche and style, each with a line on why it works. Free, no signup, and your ideas are not stored.

Write a full YouTube video description, with a strong opening, chapters, links and hashtags. Free, no signup, and your summary is not stored.

Draft a YouTube video script with a hook, intro, sections and outro in five styles. Free, no signup, and your video idea is not stored.

Generate 30 YouTube tags for a video, mixing broad, long-tail and variant spellings. Free, no signup, and your title is not stored.

Get 10 YouTube title ideas for your video in four styles. Free, no signup, and your video idea is not stored.

Convert text between different cases (uppercase, lowercase, camelCase, snake_case, etc.)

Free online word counter - count words, characters, sentences, paragraphs and reading time

Generate placeholder lorem ipsum text for designs and mockups

Convert typed text into realistic handwritten style. Choose from various handwriting fonts, ink colors, and paper backgrounds.

Compare two texts and find differences. Highlight additions, removals, and common parts with word or character level comparison.

Reverse any text string instantly. Supports file upload and URL loading with auto-reverse option.

Count how often each word appears in your text and rank the results by frequency. Filter stop words, set a minimum length, and copy the table. Client-side, no signup.

Format, validate, and minify JSON data

Encode and decode text to/from Base64 format

Build, test, and debug regular expressions with real-time matching and a comprehensive cheatsheet

Decode and visualize PHP serialized strings, JSON, and Base64 data with tree view

Validate YAML syntax and convert to JSON format

Beautify messy CSS with clean indentation, or minify it to ship smaller files. Handles nested at-rules, comments, and string literals safely.

Convert Unix file permissions between octal, symbolic and rwx checkboxes. Toggle read, write and execute for owner, group and others, plus setuid, setgid and sticky, and copy the chmod command - all in your browser.

Create beautiful CSS gradients with live preview

Design layered CSS text-shadows with a live preview and sliders for offset, blur, color, and opacity - build glow, outline, retro 3D, and emboss effects, then copy production-ready CSS.

Round any corner with a live preview and per-corner sliders, switch between px, %, em, and rem, and copy the shortest valid CSS border-radius.

Apply blur, brightness, contrast, grayscale, sepia, hue-rotate and more with live sliders and a preview, then copy production-ready CSS filter code.

Create frosted-glass UI with a live preview and sliders for backdrop blur, transparency, saturation, color, and radius - then copy production-ready CSS.

Create soft-UI (neumorphic) elements with a live preview and controls for distance, blur, intensity, radius, surface color, and flat/concave/convex/pressed shapes - then copy the CSS.

Generate harmonious color palettes from any base color - shades and tints, complementary, analogous, triadic, and monochromatic - with HEX codes you can copy and a CSS variables export.

Sort lines of text alphabetically, numerically, or by length, reverse or shuffle them, and remove duplicates, blank lines, and whitespace - all in your browser.

Remove duplicate lines from text while keeping the original order. Dedupe a list, drop every repeated line, or keep only the duplicates, with case and whitespace options. Runs client-side.

Remove line breaks and carriage returns from text and join the lines back together. Flatten a whole block or keep paragraph breaks, with trim and space-collapse options, all in your browser.

Find and replace text online without regular expressions. Apply several rules at once, match whole words, and control case. Client-side, no signup.

Count characters, words, sentences and paragraphs live as you type, estimate reading time and byte size, and check your text against social media and SEO length limits.

Build CSS flexbox layouts visually. Adjust justify-content, align-items, direction, wrap and gap with a live preview, then copy the generated CSS - all in your browser.

Build CSS Grid layouts visually. Set columns, rows, track sizes, gaps and alignment with a live preview, then copy the generated grid CSS - all in your browser.

Build a CSS transform from translate, rotate, scale, skew and 3D perspective with live sliders and a preview, then copy production-ready code.

Build a CSS transition from property, duration, timing function and delay with a live hover preview, then copy production-ready code. Supports multiple layers.

Build CSS keyframe animations from presets like fade, slide, bounce and spin. Adjust duration, easing, delay, iteration and direction, preview live, then copy the keyframes and animation shorthand.

Design layered CSS box-shadows with a live preview and sliders for offset, blur, spread, color, opacity, and inset - then copy production-ready CSS.

Convert between CSS units - px, rem, em, pt and % - with a configurable root font size, instant all-units output, and a px-to-rem reference table for responsive typography.

Generate fluid, responsive CSS clamp() values that scale between viewports

Pick colors and convert between HEX, RGB, and HSL formats

Check the contrast ratio between a text color and its background against WCAG 2.2 AA and AAA thresholds, with a live preview and one-click accessible-color suggestions.

Convert color codes between HEX, RGB, HSL, HWB, and CMYK instantly

Generate tints, shades, and tones from any base color

Blend two colors with adjustable ratio and blend modes, and build a gradient between them

Generate random UUIDs (Universally Unique Identifiers)

Convert between Unix timestamps and human-readable dates

Resize images while maintaining aspect ratio

Compress images with adjustable quality

Convert JPG, PNG, WebP, AVIF, GIF, BMP, ICO, HEIC, TIFF, PSD, SVG, CR2, DNG and PDF files to JPG, PNG, WebP, GIF, ICO, PDF or SVG

Make a video smaller in your browser. Choose how hard to compress, drop the resolution if you want, and download an MP4 or WebM. Nothing is uploaded.

Convert MOV, MP4, WebM and GIF in your browser, with MOV to MP4 done losslessly

Pull the audio track out of a video in your browser, losslessly where the format allows

Convert M4A, MP3, WAV, OGG and FLAC in your browser, with nothing uploaded

Convert WebP images to PNG in your browser, in batches, with transparency kept

Convert WebP images to JPG in your browser, in batches, no upload needed

Convert WebP images to GIF in your browser, in batches, with animation kept

Convert PNG images to JPG in your browser, in batches, no upload needed

Convert JPG images to PNG in your browser, in batches, no upload needed

Convert PNG images to WebP in your browser, in batches, with transparency kept

Convert JPG images to WebP in your browser, in batches, no upload needed

Convert AVIF images to JPG in your browser, in batches, no upload needed

Convert AVIF images to PNG in your browser, in batches, with transparency kept

Convert JFIF images to JPG in your browser, in batches, a lossless rename

Convert JFIF images to PNG in your browser, in batches, no upload needed

Convert GIF images to PNG in your browser, in batches, no upload needed

Convert PNG images to GIF in your browser, in batches, no upload needed

Convert GIF images to JPG in your browser, in batches, no upload needed

Convert PNG images to ICO favicons in your browser, in batches

Convert JPG images to ICO favicons in your browser, in batches

Convert iPhone HEIC photos to JPG in your browser, in batches, no upload needed

Convert HEIC photos to lossless PNG in your browser, in batches, no upload needed

Cut an image into a grid of equal tiles in your browser, then download them as a ZIP

Convert TIFF scans and print files to small JPGs in your browser, in batches, no upload needed

Convert TIFF images to lossless PNG in your browser, keeping transparency, no upload needed

Convert Photoshop PSD files to PNG in your browser, no Photoshop or upload needed

Convert Canon CR2 RAW files to JPG in your browser by extracting the JPEG preview the camera embedded in each file

Convert DNG RAW files from phones, drones and cameras to JPG in your browser by extracting the JPEG preview embedded in each file

Convert SVG vector graphics to PNG at 1x, 2x or 4x in your browser, no upload needed

Convert SVG vector graphics to JPG at 1x, 2x or 4x in your browser, no upload needed

Combine JPG photos into one PDF, one page per image, on A4, US Letter or pages sized to each photo, in your browser

Put PNG screenshots and graphics into one PDF without losing detail, one page per image, in your browser

Turn WebP images saved from the web into one PDF, one page per image, in your browser

Turn iPhone HEIC photos into one PDF, one page per photo, in your browser with no upload

Convert TIFF scans, including multi-page TIFFs, into a PDF with every page kept, in your browser

Put SVG graphics onto PDF pages as images at 1x, 2x or 4x resolution, one page per file, in your browser

Save every page of a PDF as its own JPG image at 72, 150 or 300 DPI, with a ZIP download, client-side with no upload

Save every page of a PDF as its own lossless PNG image at 72, 150 or 300 DPI, with a ZIP download, client-side with no upload

Trace a PNG logo or icon into an SVG of filled shapes with 2, 8 or 16 colors. It does not recover the original vector design, and photos give large, blotchy SVGs

Trace a JPG logo, scan or signature into an SVG of filled shapes with 2, 8 or 16 colors. It does not recover the original vector design, and photos give large, blotchy SVGs

Turn photos into halftone, Bayer and 1-bit dithered posters

Download TikTok videos without watermark. Save videos, music, and cover images from any TikTok link.

Save a public Instagram reel, video, photo or carousel by pasting its link. The file comes from Instagram, at the quality it was posted, with no watermark added.

Save a public Facebook video or reel by pasting its link. Returns the file Facebook serves, in HD where the uploader published one, with nothing added to the picture.

Save a video or GIF from a public post on X by pasting its link. Every rendition X holds is offered, largest first, with nothing added to the picture.

Save a Pinterest video, idea pin or image by pasting the pin link. Returns the original file rather than the resized preview the board shows.

Save a Reddit video by pasting the post link. Reddit stores sound as a separate track, so the audio is offered alongside the video rather than quietly left out.

Save a public Vimeo video by pasting its link. Returns the renditions Vimeo serves, largest first, when the uploader has not restricted the video.

Save a Twitch clip by pasting its link. Returns the MP4 Twitch serves, at the qualities it holds, so the clip survives the channel that made it.

Save a public Snapchat Spotlight video or a public story by pasting its link. Private snaps between people are not public and cannot be read by any tool.

Cut a video down to the part you want, in your browser. Set a start and end, preview the cut, and export without uploading the file anywhere.

Join several clips into one video, trim each of them, reorder them, and set the resolution, speed and audio. Everything runs in your browser, so nothing is uploaded.

Create professional photo cards, news graphics, quote cards, and social media posts with customizable templates.

Generate random numbers in any range, with unique-only and decimal options.

Shuffle a list into random order or pick random winners from names, entries, or any list of items

Generate strong, random passwords with custom character sets and strength analysis

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text

Generate and verify bcrypt password hashes in the browser with an adjustable cost factor

Decode JWT headers and payloads, inspect claims, and check token expiry

Generate and sign JSON Web Tokens with HS256, HS384, or HS512, add standard claims, and copy the token. Runs client-side.

Test how strong a password is with an entropy-based strength meter, estimated crack times, and specific suggestions to make it harder to guess - all processed privately in your browser.

Check a credit card number against the Luhn checksum and detect its card network. Validates the format only, never contacts a bank.

Encode and decode URLs, query strings, and form data with encodeURIComponent, encodeURI, or form-urlencoded modes

Encode and decode HTML entities - named (&), decimal (&), and hex (&) forms, with XSS-safe special-character escaping

Convert images to Base64 data URIs and decode Base64 back to images.

Convert text to and from Unicode code points, HTML entities, JavaScript escapes, and CSS escapes. Emoji and astral characters handled correctly.

Encode and decode Caesar cipher text with any shift, plus ROT13 and ROT47. Brute-force all 25 shifts to crack an unknown key.

Parse cron expressions into plain English and preview upcoming run times

Calculate the exact time between two dates: years, months, days, and business days

Build a cron expression from simple fields or presets, see it explained in plain English, and preview the next run times. Supports lists, ranges, steps, named months and weekdays. Runs client-side.

Calculate the duration between two times, add or subtract hours and minutes from a time, and total a list of durations for timesheets.

Minify CSS to cut file size or beautify minified stylesheets for debugging

Minify HTML markup for faster page loads or beautify it for readable, indented source

Format messy SQL into readable, indented queries or minify SQL to a single line

Minify JSON by removing whitespace, or beautify it with clean indentation, with live size-savings stats and exact parser error messages

Compare two JSON documents structurally and see added, removed, and changed keys with exact paths

Compare two lists to find common items, items unique to each list, and duplicates within a list. Case-insensitive matching, any delimiter, instant set operations. Client-side.

Compare two CSV files and see which rows were added, removed, or changed, down to the exact cell. Match rows by a key column or by position. Runs client-side.

Compare two XML documents structurally and see which elements, attributes, and text values were added, removed, or changed, by node path rather than by line. 100% client-side.

Convert JSON to clean, valid YAML instantly - configurable indentation and safe string quoting

Convert YAML to JSON instantly - anchors, aliases, merge keys, block scalars and multi-document streams supported

Convert XML to clean, valid JSON instantly - handles attributes, nested elements, repeated tags, and CDATA

Open, search, and sort CSV files as a clean table in your browser. Auto-detects delimiters, handles quoted fields, and exports to CSV or JSON.

Convert JSON to well-formed XML instantly. Map object keys to elements, @-prefixed keys to attributes and #text to content, expand arrays into repeated tags, and export minified or pretty-printed XML. 100% client-side.

Generate TypeScript interfaces from any JSON sample. Infers nested types, merges arrays of objects into a single interface, marks nullable and missing keys optional, and emits clean exportable code. 100% client-side.

Generate a JSON Schema from any JSON sample. Infers types, merges arrays of objects into one item schema, derives required fields, and detects date-time, email, uri, and uuid formats. Draft-07 and 2020-12 output. 100% client-side.

Format, beautify, minify, and validate XML online - preserves comments, CDATA, and attribute order, with clear error reporting

Escape and unescape strings for JSON online - handles quotes, backslashes, newlines, tabs, control characters, and \uXXXX Unicode, with optional quote wrapping

Convert CSV to JSON online. Parses quoted fields and any delimiter, infers numbers and booleans, and outputs an array of objects. Client-side, no signup.

Convert CSV data into well-formed XML in the browser. Each row becomes an element or a set of attributes, with delimiter auto-detection, custom element names, and proper escaping.

Convert JSON to CSV online. Turns an array of objects into a spreadsheet-ready file, flattens nested objects, and escapes fields per RFC 4180. Client-side, no signup.

Flatten nested JSON into single-level dot-notation keys, or unflatten dotted keys back into nested objects and arrays. Lossless round trip. 100% client-side.

Convert CSV data into SQL CREATE TABLE and INSERT statements for MySQL, PostgreSQL, or SQLite. Infers column types, escapes values, runs client-side.

Convert a JSON array of objects into SQL CREATE TABLE and INSERT statements for MySQL, PostgreSQL, or SQLite. Infers types, runs client-side.

Test JSONPath expressions against any JSON and see the matched values and their paths instantly. Supports wildcards, recursive descent, slices, and filters. 100% client-side.

Sort the keys of a JSON object alphabetically, recursively through nested objects, with optional array sorting. Ascending or descending, minify or pretty. Client-side, no signup.

Validate JSON against RFC 8259 and get the exact line, column, and character of the first syntax error, plus duplicate-key detection and structure stats. Client-side, no signup.

Convert JSON into a PHP array literal. Choose short [] or array() syntax, indentation, and an optional variable assignment, then copy the result. Runs client-side.

Convert JSON into Go struct definitions with json tags. Nested objects become inline structs, arrays of objects are merged, and field names follow Go conventions. Runs client-side.

Convert JSON to TOML 1.0. Objects become tables, arrays of objects become arrays of tables, and everything is rendered inline where TOML expects it.

Test regular expressions against sample text with live match highlighting, capture groups, and full flag support

Find and replace text with a regular expression, using capture group backreferences like $1 and named groups, with full flag support

Extract email addresses, URLs, phone numbers, and IPv4 addresses from any block of text. De-duplicate, sort, and copy the results. Runs client-side.

Paste a regular expression and get a clear, token-by-token explanation in plain English, including flags, groups, and quantifiers.

Calculate percentages three ways - what is X% of Y, X is what percent of Y, and percentage increase or decrease between two numbers.

Calculate exact age in years, months, and days from a date of birth - plus total months, weeks, days, hours, and minutes, the weekday you were born, and a countdown to your next birthday.

Calculate your monthly loan payment (EMI), total interest, and payoff date, with a full amortization schedule and extra-payment savings.

Calculate the missing width or height for any aspect ratio, simplify a size to its ratio, and scale images or video without distortion.

Calculate Body Mass Index from weight and height in metric or imperial units, with the WHO category, your healthy weight range, and the exact formula.

Calculate the tip and split the bill between any number of people, with sales tax, tip-on-pre-tax, and round-up options.

Work out the sale price and money saved from a percentage or fixed discount, stack an extra coupon, and add sales tax - with the effective discount shown.

Project how savings and investments grow with compound interest - set the rate, term, compounding frequency, and recurring contributions to see the future value, interest earned, and a year-by-year breakdown.

Calculate your Total Daily Energy Expenditure and BMR with the Mifflin-St Jeor equation, plus calorie targets and a macro split for any goal

Add, subtract, multiply, and divide fractions online - with whole numbers, mixed numbers, and decimals, reduced to lowest terms with step-by-step working

Calculate your GPA from letter grades and credit hours on the 4.0 scale, with weighted Honors and AP/IB options and a running cumulative GPA.

Calculate the mean, median, mode, range, and standard deviation of any list of numbers. Paste comma, space, or line-separated values and get every summary statistic at once.

Calculate running pace, finish time, or distance from any two values, with speed and per-kilometre or per-mile splits.

Calculate gross profit margin, markup, and selling price from cost and revenue. Solve for price from a target margin and see margin versus markup side by side.

Add sales tax to a price or back it out of a tax-inclusive total. Works for any rate, shows the net, tax, and gross amounts, and multiplies by quantity.

Simplify a ratio to its lowest terms and solve proportions. Reduce values like 1920:1080 to 16:9, or find the missing number in A:B = C:D, with decimals and percentages, all in your browser.

Calculate a weighted course grade from assignment scores, or work out the score you need on the final exam to hit your target grade.

Calculate population and sample standard deviation, variance, mean, median, mode, and range from any list of numbers.

Find your Sun sign from your birth date, calculated from the Sun's real position rather than a table of date ranges - so cusp birthdays come out right

Find your Moon sign from your birth date, time and place, with the exact degree - and an honest answer when the Moon changed sign on the day you were born

Find your rising sign - the ascendant - from your exact birth time and place, with its exact degree and the midheaven

Find your Sun, Moon and rising sign from your birth date, time and place, with exact degrees, Placidus houses, element balance and a reading for each placement

Find your Venus sign from your birth date - how you love, what you find beautiful, and what you value in a partner - computed from Venus's real position

Find your Chiron sign - the "wounded healer" - from your birth date, computed from a JPL Horizons ephemeris rather than an approximate date table

Find your Black Moon Lilith sign from your birth date - the mean lunar apogee, read as the part of yourself you were taught to suppress

Find your North and South Node signs from your birth date - the lunar nodes, read as the direction of growth and what already comes easily

Find your Part of Fortune from your exact birth time and place, using the day or night formula your chart's sect calls for

Find your vertex and anti-vertex from your exact birth time and place - where the ecliptic meets the prime vertical, read as fated encounters

Cast a full natal chart from your birth date, time and place - ten bodies, house cusps in three systems, every aspect with its orb, and a chart wheel

Compare two birth charts and see every aspect between them, in both directions, with the orb each was found at

Score two birth charts for romantic compatibility, with the supportive and frictional contacts listed and the weighting shown rather than hidden

A transit calendar for the months ahead: which days carry supportive contacts to your birth chart, which carry friction, and which are quiet

Crop an image to the exact size Instagram, Threads, Bluesky, X, LinkedIn or Pinterest shows without re-cropping it, with a focal point you choose

Put a non-square image on a square or portrait matte so the whole picture survives the feed, with a blurred backdrop, padding, rounded corners and a shadow

Add a logo or signature watermark to an image, positioned in any corner or tiled across the whole frame, with size, opacity and rotation you control

Split a panorama into Instagram carousel slides that line up edge to edge, so swiping through the post scrolls the picture with no seam

Turn any title or text into a clean, SEO-friendly URL slug - with accent transliteration, hyphen or underscore separators, stop-word removal, and batch mode.

Build tagged campaign URLs for Google Analytics 4 with utm_source, utm_medium, utm_campaign, utm_term and utm_content - plus channel prediction, tagging warnings, batch mode and CSV export.

Break any URL into its parts - scheme, host, port, path, query, and fragment - and read the query string as a clean, decoded key-value table.

Parse a URL query string into structured JSON, or build a query string from a JSON object. Handles repeated keys, bracket arrays, and encoding. 100% client-side.

Convert Markdown to clean, semantic HTML with GitHub Flavored Markdown support - tables, task lists, fenced code, heading anchors, live preview and a full HTML document export.

Convert HTML to clean Markdown instantly. Turns headings, lists, links, images, blockquotes, code blocks and tables into portable GitHub Flavored Markdown. Tolerant of messy CMS markup. Runs client-side.

Build Markdown tables in a spreadsheet-style editor - import CSV, Excel, or an existing table, set alignment, copy clean GFM

Format, beautify, and minify HTML online. Re-indents messy or minified markup, keeps script, style, and pre content verbatim, and runs entirely in your browser.

Generate a linked table of contents from Markdown headings

Generate an accessible HTML table from pasted CSV or tab-separated data. Add a header row, caption, striped rows, and borders, then copy the HTML and CSS. Runs client-side.

Translate text to binary and binary to text, plus hexadecimal, decimal, and octal, with full UTF-8 support

Translate text to Morse code and Morse code to text using the International (ITU) standard, with audio playback and full punctuation support

Full ASCII and extended Latin-1 table with decimal, hex, octal, binary, HTML entity, and character name for every code 0–255, plus a text-to-ASCII-code encoder.

Convert a decimal number to its IEEE 754 floating-point bits, or decode hex and binary back to a value. Single and double precision, with sign, exponent, and mantissa broken out.

Add, subtract, multiply, and divide binary numbers, or run AND, OR, XOR, NOT, and bit shifts, with every result shown in binary, octal, decimal, and hex. 100% client-side.

Generate SEO, Open Graph, and Twitter Card meta tags for any page, with live preview and length checks

Preview how your link will look on Facebook, X, LinkedIn, Slack, and Discord, validate your og: tags, and copy a correct meta block

Build, validate, and test a robots.txt file - user-agent groups, allow/disallow rules, sitemaps, AI crawler blocking, and a live URL tester

Turn a list of URLs into a valid XML sitemap with lastmod, changefreq, and priority - ready to submit to Google Search Console. 100% client-side.

Build valid schema.org JSON-LD for Organization, Article, Product, FAQ, LocalBusiness, Breadcrumb, and more - copy the ready-to-paste script tag. Client-side.

Free hreflang generator for multilingual and multi-region sites - build hreflang tags as HTML link tags, XML sitemap entries, or an HTTP header. Validates codes and x-default. Runs client-side.

Check one name across dozens of TLDs at once. RDAP first, WHOIS fallback, and a verdict of available, taken or unknown, never a guess

Paste a User-Agent string and read the browser, rendering engine, operating system, device type and CPU it describes, all in your browser.

Turn a username and password into an HTTP Basic Authentication header, base64 token, curl commands and URL form, and decode existing Basic auth tokens back.

Searchable list of every HTTP status code with its meaning, category, and defining RFC. Look up 200, 301, 404, 500, and more.

Calculate the network address, broadcast, usable host range, subnet mask, and host count for any IPv4 address and CIDR prefix.

Look up the registry record for any domain: registrar, registration and expiry dates, status codes, nameservers, DNSSEC and the raw WHOIS record.

Find out which WordPress theme a site runs, with the version, the author, the parent theme and the evidence each answer came from.

See which WordPress plugins load on any page, with the folder slug, the version, the install count and the evidence each one came from.

Write a plugin readme.txt the WordPress.org directory parses, with a live preview of the listing it produces and a download when it is right.

Generate Apache .htaccess 301 and 302 redirect rules from a list of old-to-new URLs, plus force-HTTPS and www canonicalization directives, all in the browser.

Find sites in your niche that accept guest posts, using the search footprints those pages leave behind. Deduplicated by domain, with the page that matched.

Audit any page for on-page SEO and readability: title, description, headings, alt text, internal links, Flesch score and keyword frequency, with a score out of 100.

Find the questions people are actually asking about a topic on Reddit in the last two months, cleaned into headings you can build an article around.

Pull business listings for any search and place: name, address, category, rating, review count, phone and website, deduplicated and exportable as CSV.

Create QR codes for URLs, WiFi, vCards, email, and SMS. Download as SVG or PNG, choose error correction, colors, and size - all in your browser

Create a WiFi QR code guests scan to join your network without typing the password. Supports WPA/WPA2/WPA3, WEP, open, and hidden networks. Download SVG or PNG, 100% in your browser.

Create a vCard QR code that saves your name, phone, email, company, and address to a phone with one scan. A digital business card. Download SVG or PNG, 100% in your browser.

Create an email QR code that opens a pre-filled message when scanned. Set the recipient, subject, body, CC, and BCC, then download SVG or PNG. 100% in your browser.

Create an SMS QR code that opens a pre-filled text message when scanned. Set the phone number and message, then download SVG or PNG. Runs client-side.

Convert length, weight, temperature, area, volume, speed, time, data, pressure, energy, and angle units instantly with exact conversion factors

Convert any date and time between IANA time zones with DST-accurate offsets, see the gap between two cities, and plan meetings across the world

Convert integers between binary, octal, decimal, hexadecimal, and any base from 2 to 36 with exact BigInt precision and live bit and byte counts

Convert numbers to Roman numerals and Roman numerals back to numbers, with instant validation, a symbol breakdown, and full support for the standard 1 to 3999 range.

Convert numbers to words and words back to numbers in English - with cardinal, ordinal, currency, and decimal support for values from small integers up to decillions.

Translate text into the NATO phonetic alphabet (Alfa, Bravo, Charlie) and decode code words back to letters

Convert numbers between scientific notation, E-notation, engineering notation, and plain decimal with exact digit-by-digit precision, plus order of magnitude and significant-figure rounding.

Combine multiple PDF files into a single document with drag-and-drop reordering

Split a PDF file into multiple documents by page ranges

Rearrange, rotate, duplicate, and delete pages in your PDF document

Rotate PDF pages by 90, 180, or 270 degrees. Apply rotation to all pages or select specific pages to rotate.

Reduce PDF file size by repacking the document structure, without re-encoding text or images

Remove specific pages from your PDF document

Extract specific pages from a PDF document and create a new PDF. Select individual pages or page ranges to extract.

Pull the text out of a PDF and save it as a .txt file, in your browser. Keep the page layout or reflow it into paragraphs, with or without page markers.

Turn a PDF into an editable .docx in your browser. The text comes back as paragraphs you can edit in Word, Pages, LibreOffice or Google Docs. Nothing is uploaded.

Convert a .docx to PDF in your browser. Headings, paragraphs and lists are typeset onto A4, Letter or A5 pages. The document is never uploaded.

Crop a photo into a square or circle profile picture at the size you need. Drag to position, zoom to frame it, and export PNG or JPG without uploading anything.

Put a caption, title or watermark on a photo in your browser. Nine positions, auto-fit sizing, an outline for readability, and nothing uploaded anywhere.

Convert an EPUB ebook into a PDF you can print or read anywhere, or into plain text. Runs in your browser, so the book is never uploaded.

Combine several images into one: side by side, stacked, or in a grid. Sizes are matched on the axis that has to line up, and nothing is uploaded.

Reverse the order of pages in your PDF document. The last page becomes first, and the first becomes last.

Insert a blank page at any position in your PDF document. Choose page size (A4, Letter, or match existing pages).

Find and delete blank pages from a PDF by analysing what each page draws, then download the cleaned file.

Merge two PDFs by alternating pages (interleave)

Arrange multiple pages on a single sheet (2-up, 4-up, 6-up, 9-up)

Split large PDF pages into multiple smaller pages for poster printing

Stitch all PDF pages into one long vertical page