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- 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
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All Tools (96)
- Case Converter
- Word & Letter Counter
- Lorem Ipsum Generator
- Text to Handwriting Converter
- Text Diff Checker
- String Reverse
- JSON Formatter
- Base64 Encoder/Decoder
- Regex Builder
- PHP Unserialize
- JSON to CSV
- CSV to JSON
- YAML Validator
- 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
- CSS Box Shadow Generator
- CSS Unit Converter
- Color Picker & Converter
- Color Contrast Checker
- UUID Generator
- Timestamp Converter
- Image Resize
- Image Compress
- Image Format Converter
- Background Remover
- TikTok Video Downloader
- Photo Card Generator
- Password Generator
- Hash Generator
- JWT Decoder
- Password Strength Checker
- URL Encoder/Decoder
- HTML Entity Encoder/Decoder
- Cron Expression Parser
- Date Difference Calculator
- Cron Expression Generator
- CSS Minifier & Beautifier
- HTML Minifier & Beautifier
- SQL Formatter
- JSON Diff Checker
- Compare Two Lists
- JSON to YAML Converter
- YAML to JSON Converter
- XML to JSON Converter
- CSV Viewer
- JSON to XML
- JSON to TypeScript
- JSON Schema Generator
- Regex Tester
- Percentage Calculator
- Age Calculator
- Loan / EMI Calculator
- Aspect Ratio Calculator
- BMI Calculator
- Tip Calculator
- Compound Interest Calculator
- Slug Generator
- UTM Builder
- URL Parser
- Markdown to HTML
- HTML to Markdown
- Markdown Table Generator
- Binary Translator
- Morse Code Translator
- Meta Tag Generator
- Open Graph Preview
- Robots.txt Generator
- XML Sitemap Generator
- Schema Markup Generator
- Hreflang Tag Generator
- QR Code Generator
- Unit Converter
- Time Zone Converter
- Number Base Converter
- Roman Numeral Converter
- Number to Words Converter
- Merge PDF
- Split PDF
- Organize PDF
- Rotate PDF Pages
- Compress PDF
- Delete PDF Pages
- Extract PDF Pages
- 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 (78)
- XML Sitemap Generator: Build a sitemap.xml Search Engines Trust
- Tip Calculator: Split the Bill Without the Awkward Napkin Math
- Color Contrast Checker: How to Hit WCAG AA and AAA Without Guessing
- URL Parser: Break Any Link Into Its Parts and Read the Query String
- BMI Calculator: What the Number Means, and What It Doesn't
- Compare Two Lists: Find Common Items, Unique Items, and Duplicates
- JSON to TypeScript: Generate Accurate Interfaces From Real API Data
- HTML to Markdown Converter: Turn Messy Web Markup Into Clean, Portable Text
- JSON to XML Converter: How to Map Keys, Attributes, and Arrays Correctly
- 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
- JWT Decoder Online: Decode, Inspect, and Actually Understand Your Tokens
- Hash Generator Online: MD5, SHA-1, SHA-256 & SHA-512 in One Tool
- Password Generator Online: Create Strong Passwords That Actually Survive an Attack
- PHP Unserialize Online: Read Serialized Data Without a PHP Server
- 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
- Organize PDF Pages: Reorder, Rearrange & Sort PDF Online
- How to Rotate PDF Pages Online: Fix Orientation in Seconds
- Edit PDFs Without Adobe: Free Online PDF Tools Guide (2026)
- Text to Handwriting Converter: What It Really Does (and Doesn't)
- 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)
- Text Diff Checker: Stop Eyeballing Changes You Can't Actually See
- YAML Validator: Why Valid YAML Still Deploys the Wrong Thing
- 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
- Color Picker: HEX, RGB, HSL — And the Contrast Check I Skipped
- CSS Gradient Generator: Linear, Radial, Conic (And the Angle Trap)
- Developer Productivity Tools: The 40 I Actually Open Every Week
- UUID Generator: v1, v4, v7 Explained (And Which to Actually Use)
- Regex Builder: Test Regular Expressions Visually (With a Cheat Sheet)
- Free Online Coding Tools: The Developer Utilities I Actually Use
- Word Counter Tool: Count Words, Characters & Sentences Online
- Text Case Converter: How to Change Text Case Online (10+ Formats)
- Free Online Text Tools: Convert, Count, Compare & Generate Text
- Image Compression Guide: Reduce File Size Without Losing Quality
- Free Online Image Tools: Resize, Compress, Convert & Edit (2026)
- 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)
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