Developer Tools
JSON formatters, regex testers, base64 encoders, JWT decoders, and 60+ essential developer utilities — all free, all in your browser.
HTML Formatter
Format, beautify, and auto-indent ugly or minified HTML code.
HTML Minifier
Minify and compress your HTML code to save file size and boost load speeds.
RGB to HEX Converter
Convert color values between RGB blocks and standard Hex codes.
PX to REM Converter
Translate CSS pixel constraints to accessibility-standard rem ratios.
CSS Formatter
Beautify nested and unformatted CSS code blocks securely.
CSS Box Shadow Generator
Visually construct CSS layer shadows and generate cross-browser code.
Markdown Table Generator
Construct MD tables visually without writing the tedious syntax manually.
Regex Explain Tool
Turn regular expressions into plain-English explanations for faster debugging.
SVG to JSX Converter
Convert raw SVG code into a React JSX component instantly.
Regex Tester
Test and debug regular expressions with live match highlighting.
HTML Entity Tool
Encode and decode HTML entities for safe web content.
CSS Minifier/Beautifier
Minify or beautify your CSS code with one click.
JS Minifier
Minify JavaScript code by removing whitespace and comments.
Glassmorphism Generator
Design frosted glass CSS UI components with a visual editor.
Neumorphism UI Generator
Design soft UI CSS components instantly with a visual editor.
Diff Checker
Compare two blocks of text and highlight differences line by line.
Tailwind UI Visualizer
Paste Tailwind HTML and view a sandboxed live preview instantly.
React to Vue Converter
Convert functional React components to Vue 3 Composition API.
Extension Manifest Builder
Visually scaffold Chrome Extension MV3 manifest.json files.
PDF Signature
Draw a signature and place it on a PDF page entirely in your browser.
PDF Page Number Adder
Add page numbers to every PDF page with custom placement, size, labels, and page-range control.
PDF Compare
Compare two PDFs locally by hash, metadata, page dimensions, and form fields.
Fillable PDF Form Creator
Create a browser-generated fillable PDF with text fields, dropdowns, and checkboxes.
SVG Optimizer & Minifier
Minify SVG code, strip comments, reduce whitespace, and download the optimized file.
Chmod Calculator
Calculate Unix file permission values by toggling read, write, and execute bits visually.
CSS Flexbox Generator
Visually build CSS Flexbox layouts with live preview and generated code output.
Favicon Generator
Upload any image and generate favicons in all standard sizes from 16px to 512px.
HTML to Markdown Converter
Convert HTML code into clean, readable Markdown syntax instantly.
Common Regex Patterns
Browse and copy common regex patterns for email, URL, phone, date, and more.
CSS Grid Generator
Visually build CSS Grid layouts and generate production-ready code.
CSS Clip-Path Generator
Generate CSS clip-path polygon values with visual presets. See a live preview and copy the CSS.
Visual Regex Tester
Test regular expressions with live highlighted matches. See match groups and use common regex snippets.
Text Diff Merger
Compare two text blocks line by line. See added, removed, and unchanged lines highlighted with stats.