Site Navigation
Sitemap
Navigate through all pages and tools available on Toolz.dev. Find exactly what you're looking for.
Main Pages
Tools
- All Tools
Browse all available tools
- JSON Formatter
Format & validate JSON
- Base64 Converter
Encode & decode Base64
- UUID Generator
Generate unique IDs
- Gradient Generator
Create CSS gradients
- Color Picker
Pick & convert colors
- Timestamp Converter
Convert timestamps
- Case Converter
Transform text case
- Word Counter
Count words & characters
- Lorem Ipsum
Generate placeholder text
Tool Categories (30)
- Free AI Text Tools
81 tools
- Free Astrology Calculators
14 tools
- Binary Converter and Hex Tools
5 tools
- Free Online Calculators
18 tools
- Online Coding Tools for Developers
7 tools
- Free Online Color Tools
6 tools
- Free Online Converters
12 tools
- Free CSS Generators
14 tools
- JSON Converter and Data Tools
21 tools
- Online Diff Checker for Structured Data
4 tools
- Markdown Tools and HTML Converters
6 tools
- TikTok Video Downloader
9 tools
- Video Editors
2 tools
- Online Encoder Decoder Tools
5 tools
- Free Random Generators
2 tools
- Free Online Image Converter and Editing Tools
44 tools
- Free Marketing Research Tools
2 tools
- Code Beautifier and Minifier Tools
4 tools
- Developer Utilities: Timestamps and UUIDs
2 tools
- Free Online PDF Tools
17 tools
- Free QR Code Generators
5 tools
- Regex Online: Test, Explain and Replace
4 tools
- Free Online Security Tools
7 tools
- Free SEO Tools
9 tools
- Social Media Tools for Images
5 tools
- Free Online Text Tools
12 tools
- Date and Time Calculator and Cron Tools
4 tools
- Free Online URL Tools
4 tools
- Free Online Web Tools
6 tools
- Free Online WordPress Tools
3 tools
Community
All Tools (334)
- AI Text Humanizer
- AI Writing Checker
- EXIF Remover & Metadata Viewer
- Claude Watermark Remover & Detector
- AI Background Remover
- AI Paraphraser
- AI Image Generator
- AI Alt Text Generator
- AI Apology Letter Generator
- AI Article to Newsletter
- AI Birthday Wish Generator
- AI Blog Outline Generator
- AI Blog to Social Media
- AI Brand Story Generator
- AI Business Name Generator
- AI Buyer Persona Generator
- AI Caption Generator
- AI Code Generator
- AI Cold Email Generator
- AI Content Calendar Generator
- AI Content Detector
- AI Content to Video Script
- AI Content Writer
- AI Course Outline Generator
- AI Cover Letter Generator
- AI Elevator Pitch Generator
- AI Email Subject Line Generator
- AI Email Writer
- AI Essay Writer
- AI Explain Like I'm 5
- AI Facebook Ad Copy Generator
- AI FAQ Generator
- AI Google Ads Copy Generator
- AI Grammar Checker
- AI Hashtag Generator
- AI Hashtag Optimizer
- AI Headline Analyzer
- AI Image to Text (OCR)
- AI Instagram Caption Generator
- AI Interview Questions Generator
- AI Job Description Generator
- AI Keyword Ideas Generator
- AI Landing Page Copy Generator
- AI Letter Writer
- AI LinkedIn Headline Generator
- AI LinkedIn Post Generator
- AI LinkedIn Summary Generator
- AI Meeting Agenda Generator
- AI Meta Description Generator
- AI Podcast Name Generator
- AI Podcast Show Notes Generator
- AI Poem Generator
- AI Press Release Generator
- AI Product Description Generator
- AI Product Review Writer
- AI Prompt Improver
- AI Quiz Generator
- AI Readability Checker
- AI Resignation Letter Generator
- AI Resume Writer
- AI Review Response Generator
- AI SEO Meta Writer
- AI Slogan Generator
- AI Social Media Bio Generator
- AI Story Generator
- AI Text Summarizer
- AI SWOT Analysis Generator
- AI Testimonial Request Email
- AI Text to Speech
- AI Thank You Note Generator
- AI TikTok Hashtag Generator
- AI Tone Detector
- AI Translator
- AI Twitter Thread Generator
- AI Video Hook Generator
- AI Wedding Speech Generator
- AI YouTube Channel Analyzer
- AI YouTube Channel Name Generator
- AI YouTube Description Generator
- AI YouTube Script Generator
- AI YouTube Tag Generator
- AI YouTube Title Generator
- Case Converter
- Word Counter
- Lorem Ipsum Generator
- Text to Handwriting Converter
- Text Diff Checker
- String Reverse
- Word Frequency Counter
- JSON Formatter
- Base64 Encoder/Decoder
- Regex Builder
- PHP Unserialize
- YAML Validator
- CSS Formatter
- Chmod Calculator
- CSS Gradient Generator
- CSS Text Shadow Generator
- CSS Border Radius Generator
- CSS Filter Generator
- CSS Glassmorphism Generator
- CSS Neumorphism Generator
- Color Palette Generator
- Line Sorter
- Duplicate Line Remover
- Remove Line Breaks
- Find and Replace Text
- Character Counter
- Flexbox Generator
- CSS Grid Generator
- CSS Transform Generator
- CSS Transition Generator
- CSS Animation Generator
- CSS Box Shadow Generator
- CSS Unit Converter
- CSS Clamp Generator
- Color Picker & Converter
- Color Contrast Checker
- Color Converter
- Color Shades Generator
- Color Mixer
- UUID Generator
- Timestamp Converter
- Image Resize
- Image Compress
- Image Converter
- Video Compressor
- Video Converter
- Audio Extractor
- Audio Converter
- WebP to PNG Converter
- WebP to JPG Converter
- WebP to GIF Converter
- PNG to JPG Converter
- JPG to PNG Converter
- PNG to WebP Converter
- JPG to WebP Converter
- AVIF to JPG Converter
- AVIF to PNG Converter
- JFIF to JPG Converter
- JFIF to PNG Converter
- GIF to PNG Converter
- PNG to GIF Converter
- GIF to JPG Converter
- PNG to ICO Converter
- JPG to ICO Converter
- HEIC to JPG Converter
- HEIC to PNG Converter
- Image Splitter
- TIFF to JPG Converter
- TIFF to PNG Converter
- PSD to PNG Converter
- CR2 to JPG Converter
- DNG to JPG Converter
- SVG to PNG Converter
- SVG to JPG Converter
- JPG to PDF Converter
- PNG to PDF Converter
- WebP to PDF Converter
- HEIC to PDF Converter
- TIFF to PDF Converter
- SVG to PDF Converter
- PDF to JPG Converter
- PDF to PNG Converter
- PNG to SVG Converter
- JPG to SVG Converter
- Image Dither
- TikTok Video Downloader
- Instagram Downloader
- Facebook Video Downloader
- X Video Downloader
- Pinterest Downloader
- Reddit Video Downloader
- Vimeo Downloader
- Twitch Clip Downloader
- Snapchat Video Downloader
- Video Trimmer
- Video Editor
- Photo Card Generator
- Random Number Generator
- List Randomizer
- Password Generator
- Hash Generator
- Bcrypt Generator
- JWT Decoder
- JWT Generator
- Password Strength Checker
- Credit Card Validator
- URL Encoder/Decoder
- HTML Entity Encoder/Decoder
- Image to Base64 Converter
- Unicode Converter
- Caesar Cipher Encoder & Decoder
- Cron Expression Parser
- Date Difference Calculator
- Cron Expression Generator
- Time Duration Calculator
- CSS Minifier & Beautifier
- HTML Minifier & Beautifier
- SQL Formatter
- JSON Minifier
- JSON Diff Checker
- Compare Two Lists
- CSV Diff Checker
- XML Diff Checker
- JSON to YAML Converter
- YAML to JSON Converter
- XML to JSON Converter
- CSV Viewer
- JSON to XML
- JSON to TypeScript
- JSON Schema Generator
- XML Formatter
- JSON Escape / Unescape
- CSV to JSON Converter
- CSV to XML Converter
- JSON to CSV Converter
- JSON Flattener
- CSV to SQL Converter
- JSON to SQL Converter
- JSONPath Tester
- JSON Sorter
- JSON Validator
- JSON to PHP Array
- JSON to Go Struct
- JSON to TOML Converter
- Regex Tester
- Regex Replace
- Email Extractor
- Regex Explainer
- Percentage Calculator
- Age Calculator
- Loan / EMI Calculator
- Aspect Ratio Calculator
- BMI Calculator
- Tip Calculator
- Discount Calculator
- Compound Interest Calculator
- TDEE Calculator
- Fraction Calculator
- GPA Calculator
- Average Calculator
- Pace Calculator
- Profit Margin Calculator
- Sales Tax Calculator
- Ratio Calculator
- Grade Calculator
- Standard Deviation Calculator
- Sun Sign Calculator
- Moon Sign Calculator
- Rising Sign Calculator
- Sun Moon Rising Sign Calculator
- Venus Sign Calculator
- Chiron Sign Calculator
- Lilith Sign Calculator
- North Node Calculator
- Part of Fortune Calculator
- Vertex Calculator
- Birth Chart Calculator
- Synastry Chart Calculator
- Love Compatibility Calculator
- Dating & Personal Growth Calendar
- Social Media Image Cropper
- Matte Generator
- Image Watermarker
- Carousel Scroll Generator
- Slug Generator
- UTM Builder
- URL Parser
- Query String Parser
- Markdown to HTML
- HTML to Markdown
- Markdown Table Generator
- HTML Formatter
- Markdown TOC Generator
- HTML Table Generator
- Binary Translator
- Morse Code Translator
- ASCII Table
- IEEE 754 Converter
- Binary Calculator
- Meta Tag Generator
- Open Graph Preview
- Robots.txt Generator
- XML Sitemap Generator
- Schema Markup Generator
- Hreflang Generator
- Domain Search
- User Agent Parser
- Basic Auth Generator
- HTTP Status Codes Reference
- IP Subnet Calculator
- WHOIS Checker
- WordPress Theme Detector
- WordPress Plugin Detector
- WordPress Readme Generator
- htaccess Redirect Generator
- Backlink Finder
- Content Analyzer
- Ask Questions
- Maps Scraper
- QR Code Generator
- WiFi QR Code Generator
- vCard QR Code Generator
- Email QR Code Generator
- SMS QR Code Generator
- Unit Converter
- Time Zone Converter
- Number Base Converter
- Roman Numeral Converter
- Number to Words Converter
- NATO Phonetic Alphabet Translator
- Scientific Notation Converter
- Merge PDF
- Split PDF
- Organize PDF
- Rotate PDF Pages
- Compress PDF
- Delete PDF Pages
- Extract PDF Pages
- PDF to Text
- PDF to Word
- Word to PDF
- PFP Maker
- Add Text to Image
- EPUB to PDF
- Merge Images
- Reverse PDF Page Order
- Add Blank Page to PDF
- Remove Blank Pages
- Alternate Mix Pages
- N-Up PDF
- Posterize PDF
- Combine to Single Page
All Articles (246)
- A Summary Can Keep Every Number and Still Be Wrong
- A Reworded Quotation Is a Misquotation
- Twenty Names in a Minute Is the Easy Part
- The Seam Is Where a Split Picture Goes Wrong
- Joining Two Clips Is a Re-Encode, Not a Paste
- A Word File Is Not a Page Until Something Lays It Out
- What Comes Back From a PDF Is Text, Not Layout
- Skew Breaks OCR Long Before Resolution Does
- Two Photos Side by Side Is a Scaling Problem
- Your MP4 Already Contains a Finished Audio File
- What an AI Essay Draft Gets Wrong
- Why a Trimmed Video Starts Before Your Cut
- An EPUB Has No Pages Until You Convert It
- Why Converting M4A to MP3 Is Not an Upgrade
- How to Get a Video Under 8 MB Without It Turning to Mush
- MOV to MP4 Without Re-encoding: What a Remux Is
- What Standard Deviation Tells You That an Average Cannot
- How Weighted Grades Work and What You Need on the Final
- What Stable Tag Does, and Why the Wrong One Ships Nothing
- Why a Plugin Scan Comes Back Empty, and What That Proves
- How to Find Out What Theme a WordPress Site Uses
- What Is Synastry? How Two Birth Charts Are Compared, Aspect by Aspect
- How to Save PDF Pages as Images: Choosing DPI, JPG or PNG, and What Can Go Wrong
- How to Combine Photos and Scans Into One PDF: Page Size, Order and File Size
- How to Watermark a Photo: Placement, Size, Opacity, and What a Watermark Cannot Stop
- What Is the Vertex in Astrology? How It Is Calculated From Birth Time and Place
- What Is My Venus Sign? How the Placement Is Calculated, and Why Date Tables Get It Wrong
- How to Save TikTok Videos Without the Watermark: Links, Quality, Audio and the Legal Side
- How to Use CSS text-shadow: Glow, Outline, 3D and Emboss Effects Explained
- What Is My Sun Sign? Why Zodiac Date Tables Get Cusp Birthdays Wrong
- What Are Your Sun, Moon and Rising Signs? How the Big Three Are Calculated
- How to Crop Images for Social Media Sizes Without Cutting Off the Subject
- How to Split a Panorama into a Seamless Instagram Carousel
- What Is a Rising Sign? How the Ascendant Is Worked Out from Birth Time and Place
- How to Reverse Page Order in a PDF: Back-to-Front Scans, Duplex Fixes and Limits
- How to Delete Blank Pages from a PDF, and Why Some Are Hard to Detect
- How to Print a PDF as a Poster on Multiple Pages: Grids, Overlap and Print Scale
- How to Make Quote Cards and News Graphics for Social Media: Templates, Sizes and Export
- How Strong Is My Password? Entropy, Crack Times and What Strength Meters Miss
- How to Calculate the Part of Fortune: Day and Night Formulas, Sect and Worked Examples
- What Is My North Node? Lunar Nodes, Mean vs True Node, and How to Find Yours
- How to Make Neumorphic Soft UI in CSS: Shadows, Shapes and the Contrast Problem
- How to Print Multiple PDF Pages on One Sheet: 2-Up, 4-Up, 6-Up and 9-Up Explained
- What Is My Moon Sign? How It Is Calculated and Why Your Birth Time Matters
- How to Post a Photo on Instagram Without Cropping It: Mattes, Padding and Blurred Backgrounds
- How to Build a Local Business Lead List From Map Listings (and Export It to CSV)
- How Astrological Compatibility Scores Work: Synastry, Aspects and What a Percentage Means
- How to Sort Lines of Text: Alphabetical, Natural and Numeric Order Explained
- What Is Black Moon Lilith? Mean vs True Lilith and How the Sign Is Calculated
- What Is Dithering? How Bayer, Floyd-Steinberg and Halftone Turn Photos Into 1-Bit Art
- What Is Glassmorphism? How backdrop-filter Builds Frosted Glass in CSS
- How to Pull Specific Pages Out of a PDF Without Changing the Original
- How to Check If a Domain Name Is Available: RDAP, WHOIS and Bulk Lookups
- How to Remove Pages From a PDF Without Breaking the Rest of the File
- How to Read Astrological Transits: Aspects, Orbs, Retrograde Passes and What a Transit Calendar Shows
- How CSS Filters Work: Every Filter Function, Why Order Matters, and the Layout Bugs They Cause
- How to Audit a Page for On-Page SEO and Readability, One Check at a Time
- How to Calculate Compound Interest: The Formula, Worked Examples and Common Mistakes
- How to Turn a Multi-Page PDF Into One Long Scrolling Page
- How to Build a Color Palette From One Color: Harmony Rules, HEX Codes and Contrast
- How to Find Your Chiron Sign: The Wounded Healer, Chiron Returns and Why the Dates Vary
- How CSS border-radius Works: Shorthand, Percentages, Circles and Pill Shapes
- What Is a Birth Chart? How Natal Charts Are Calculated and How to Read One
- How to Find Guest Post Sites in Your Niche With Search Footprints
- How to Find the Questions Your Audience Is Asking on Reddit, and Turn Them Into Articles
- How to Combine Front and Back Scans Into One PDF in the Right Order
- Can You Tell If Text Was Written by AI? What Writing Patterns Can and Cannot Show
- How to Make AI Writing Sound Human: The Patterns to Cut and What to Keep
- How to Insert a Blank Page Into a PDF: Positions, Sizes and Duplex Printing
- Camera RAW Explained (CR2, DNG): Why RAW Isn't a Photo Yet
- TIFF Files: When to Use Them and How to Shrink Them
- Favicon Sizes and ICO Files: What Goes Inside a favicon.ico
- SVG vs PNG: Vector vs Raster, and What Tracing Can and Can't Do
- What Is a JFIF File, and Why Does Windows Save Images as .jfif?
- AVIF vs WebP vs JPG: Which Image Format to Use, and When
- What Is WebP, and Why Saved Images Come Out as .webp
- HEIC vs JPG: Why iPhone Photos Won't Open, and How to Convert Them
- EXIF Remover: See and Strip Photo Metadata Before You Share
- Claude Watermark Remover: Detect and Strip Invisible Unicode in AI Text
- CSV vs XML: How Spreadsheet Rows Become Elements
- How to Convert Numbers to Scientific Notation
- How Subnetting Works: CIDR, Masks, Host Ranges
- Luhn Algorithm: How Credit Card Validation Works
- How to Find and Replace Text Without Regex
- Why Is My JSON Invalid? Common Errors and Fixes
- Do Spaces Count as Characters? Limits and Bytes
- CSS Animation vs Transition: Keyframes Explained
- How CSS Transitions Work: Shorthand and Timing
- How CSS Transforms Work: Order, Origin and 3D
- How Chmod Permissions Work: 755, 644 and Octal
- CSS Grid Layout Explained: fr, Gap vs Flexbox
- How to Simplify Ratios and Solve Proportions
- Why Pasted Text Breaks Mid-Sentence (and Fixes)
- How to Calculate and Reverse Sales Tax
- JSON to TOML: Convert Config Files the Right Way
- What Do HTTP Status Codes Mean? 1xx to 5xx
- How to Crack a Caesar Cipher Without the Key
- How to Convert JSON to SQL INSERT Statements
- How JWT Signing Works: HS256 vs HS384 vs HS512
- Justify-Content vs Align-Items in Flexbox
- How to Remove Duplicate Lines and Keep the Order
- How to Mix Two Colors in CSS: Ratios and Blends
- How Bcrypt Works: Salt, Cost Factor and Limits
- How to Make an Accessible HTML Table From CSV
- How to Map JSON to Go Structs With Field Tags
- Unicode Code Points vs UTF-8, Explained
- Formatting vs Minifying CSS: What Changes?
- How HTTP Basic Auth Headers Work With Base64
- What Is a User-Agent String and How to Read It
- JSON to Array in PHP: json_decode or a Literal?
- What Is an SMS QR Code and How Does SMSTO Work?
- Hreflang x-default: What It Is and When to Use It
- Hreflang Tags Explained: A Complete Guide
- CSS Generators: Shadows, Radius, Filters and Glass Effects Without Guessing
- JSON Escape and Unescape: Embed Any Text in JSON Without Breaking It
- How to Add, Multiply and Divide Fractions
- What Is TDEE? How to Find Maintenance Calories
- What Is an XML Formatter? Beautify vs Minify
- How to Calculate Discounts and Sale Prices
- How Many Characters Does the ASCII Table Have?
- What Are Hreflang Tags? Format and Common Errors
- What Is Schema Markup? How JSON-LD Code Works
- How to Write Numbers and Amounts in Words
- PX vs REM: How to Convert CSS Units by Hand
- How to Read and Write Roman Numerals
- How to Write in Morse Code: Letters and Spacing
- How to Create a Table in Markdown
- YAML to JSON: Convert Manifests, Compose Files, and Pipelines Without Losing Data
- What Is a Cron Expression? How to Write One
- How to Generate a JSON Schema From Sample JSON
- How to Make Realistic Card Shadows in CSS
- How to Compare Two XML Files by Structure
- How to Add and Subtract Binary Numbers by Hand
- What Is a Query String? Parsing URL Parameters
- What Is JSONPath? Selectors and Filter Syntax
- What Is IEEE 754? How Floats Are Stored in Bits
- How to Format HTML Online: Beautify and Minify Messy Markup
- Can You Make a QR Code for an Email Address?
- Mean vs Median vs Mode: Which Average to Use
- How to Extract Email Addresses From Messy Text
- CSV to SQL: Turn a Spreadsheet Into INSERT Statements Without the Quote Bugs
- How to Flatten Nested JSON Into Dot Notation
- How to Compare Two CSV Files Without Line Diffs
- How to Calculate the Duration Between Two Times
- How to Calculate GPA: Weighted vs Unweighted
- How CSS clamp() Works for Fluid Font Sizes
- How to Convert HEX to RGB, HSL and CMYK
- vCard Format Explained, With a QR Code Example
- JSON to CSV: Turn an API Response Into a Spreadsheet People Can Open
- How WiFi QR Codes Work and Why They Fail
- How to Pick a Random Winner From a List Fairly
- Alfa to Zulu: History of the Spelling Alphabet
- How to Add Hreflang in WordPress (Without a Plugin)
- How to Add Hreflang in Next.js (App Router)
- What Is JSON Minification? Does It Change Data?
- Image to Base64: How to Encode Images as Data URIs (and When You Actually Should)
- Hreflang vs Canonical: How They Work Together
- How Regex Replacement Works, With Backreferences
- How to Generate Random Numbers Online: Ranges, Unique Sets, and When Randomness Actually Matters
- 12 Common Hreflang Errors and How to Fix Them
- 301 vs 302 Redirects in htaccess Explained
- How to Calculate Margin, and Why Markup Differs
- Why Sort JSON Keys? Cleaner Diffs, Same Data
- How to Find Overused Words in Your Writing
- How to Calculate Running Pace and Race Splits
- What Does This Regex Mean? How to Read a Pattern
- How to Generate Tints, Shades, and Tones From One Base Color
- How to Generate a Markdown Table of Contents (GitHub-Compatible Anchors)
- What Is an XML Sitemap? How to Create One
- How to Calculate a Tip and Split the Bill
- WCAG Contrast Ratio: How to Pass AA and AAA
- What Are the Parts of a URL? Host, Path, Query
- What Is BMI? What the Number Means and Misses
- How to Compare Two Lists and Find Duplicates
- How to Generate TypeScript Types From JSON
- How HTML Maps to Markdown: Tables, Links, Code
- How JSON to XML Conversion Maps Keys and Arrays
- Markdown to HTML: What Actually Happens When Your README Gets Rendered
- UTM Builder: Tag Campaign URLs So Analytics Actually Reports Them
- Aspect Ratio Calculator: Get Width and Height Right the First Time
- CSV Viewer: Open, Search, and Sort CSV Files Without a Spreadsheet
- Robots.txt Generator: Build, Validate, and Test Crawl Rules Without Deindexing Your Site
- Open Graph Preview: See Your Social Card Before Anyone Else Does
- Loan / EMI Calculator: How Monthly Payments, Interest, and Amortization Actually Work
- Age Calculator: How to Work Out an Exact Age in Years, Months, and Days
- Number Base Converter: Binary, Octal, Decimal, Hex, and Everything to Base 36
- Time Zone Converter: Convert Times Between Cities Without Getting DST Wrong
- Unit Converter: Exact Conversions for Length, Weight, Temperature, and Data
- QR Code Generator: How to Make QR Codes That Actually Scan (and Never Expire)
- Meta Tag Generator: How to Write SEO, Open Graph, and Twitter Tags That Actually Render Right
- Binary Translator: How to Convert Text to Binary and Back Without Getting the Bytes Wrong
- Slug Generator: How to Build Clean, SEO-Friendly URL Slugs That Never Break
- Percentage Calculator: How to Work Out Percentages Without Second-Guessing the Formula
- XML to JSON Converter: Turn SOAP, RSS, and Config XML into Clean JSON
- Regex Tester: Debug Regular Expressions Against Real Text
- JSON to YAML Converter: Convert Configs Without the Norway Problem
- JSON Diff Online: Compare Two JSON Files Without the Line-Diff Noise
- SQL Formatter Online: Make Any Query Readable in Seconds
- HTML Minifier Online: Smaller Pages Without Layout Surprises
- CSS Minifier Online: Shrink Stylesheets Without Breaking Them
- Date Difference Calculator: Count Days Between Dates Without Off-by-One Bugs
- Cron Expression Parser: Decode Any Schedule Into Plain English
- HTML Entity Encoder Decoder: Escape, Unescape, and Stop Shipping & to Production
- URL Encode and Decode Online: The Complete Guide to Percent-Encoding Without Breaking Your Links
- What Is Inside a JWT? Header, Payload, Signature
- MD5 vs SHA-1 vs SHA-256 vs SHA-512 Explained
- What Makes a Password Strong? Entropy Explained
- How PHP Serialize and Unserialize Work
- Free Tools for Remote Developers: My Actual Browser-Tab Toolkit
- Reverse a String Online: How This Tool Works, Emoji and All
- Image Optimization for SEO: What Actually Moves Core Web Vitals
- How to Reorder Pages in a PDF, Step by Step
- How to Rotate PDF Pages Online: Fix Orientation in Seconds
- Edit PDFs Without Adobe: Free Online PDF Tools Guide (2026)
- Can Computer Text Pass as Real Handwriting?
- CSV to JSON: The Type Inference Will Eat Your Zip Codes
- Toolz.dev vs the Alternatives: An Honest Comparison From the Guy Who Built It
- PNG to JPG to WebP: What a Browser Converter Can Actually Do
- Lorem Ipsum, Honestly: How I Generate Placeholder Text That Actually Fits the Layout
- The Web Developer Toolkit I Keep in One Browser Tab Group (Free, No Uploads)
- How Diff Algorithms Work: Line, Word, Character
- Why Valid YAML Still Breaks: Common YAML Errors
- API Debugging Tools: The Six Tabs I Open When an Endpoint Lies to Me
- Remove an Image Background in the Browser: What a Color-Key Remover Actually Does
- Resize Images Online: The Retina Trap and What Canvas Quietly Throws Away
- How to Split PDF Files Online: Extract Pages in Seconds
- Unix Timestamp Converter: Epochs, Timezones, and the Year-57123 Bug
- Client-Side Tools and Data Privacy: Where Your Paste Actually Goes
- HEX vs RGB vs HSL: Which Color Format to Use
- Linear vs Radial vs Conic Gradients in CSS
- Developer Productivity Tools: The 40 I Actually Open Every Week
- UUID v4 vs v7: Which Version Should You Use?
- Regex Cheat Sheet: Common Patterns and Pitfalls
- The Developer Utilities I Actually Use
- Why Two Word Counters Give Different Numbers
- Text Case Converter: How to Change Text Case Online (10+ Formats)
- How to Count, Compare and Convert Text
- Image Compression Guide: Reduce File Size Without Losing Quality
- Resize, Compress and Convert Images in the Browser
- How to Compress PDF Files Without Losing Quality
- How to Merge PDF Files Online for Free (Step-by-Step Guide)
- Free Online PDF Tools: The Complete Guide to PDF Editing (2026)
- JSON to CSV Conversion: 5 Methods Developers Use in 2026
- Base64 Encoding Explained: Encode & Decode Like a Pro
- How to Format JSON Online: Complete Guide with Examples
- The Ultimate Guide to JSON Tools: Format, Validate, Convert & More (2026)
334
Tools Available
30
Categories
100%
Free to Use
24/7
Always Available