42 Free Tools
💻 Developer Tools
JSON formatters, CSS generators, regex testers and essential dev utilities. All free, no signup, runs entirely in your browser.
⚡ All Tools
📝 Text Tools
🖼️ Image Tools
💻 Developer Tools
🔒 Security Tools
🔍 SEO Tools
🔄 Conversion Tools
🧮 Math & Finance Tools
🌐 Network & Web Tools
🕐 Time & Date Tools
🎨 Design & Color Tools
🎲 Random & Fun Tools
📊 Data & CSV Tools
📄 PDF & Document Tools
Showing 42 tools
JSON Formatter & Validator
Beautify, validate and minify JSON quickly and easily.
Use Tool
URL Encoder / Decoder
Encode or decode URL components for safe transmission.
Use Tool
Regex Tester
Test regular expressions with live match highlighting.
Use Tool
UUID Generator
Generate cryptographically random UUID v4 strings in bulk.
Use Tool
Base64 Encoder / Decoder
Encode or decode Base64 strings instantly in your browser.
Use Tool
HTML Encoder / Decoder
Encode special characters as HTML entities or decode them back.
Use Tool
HTML Minifier
Minify HTML to remove whitespace and reduce file size.
Use Tool
CSS Minifier
Minify CSS to remove whitespace and reduce file size.
Use Tool
JavaScript Minifier
Minify JavaScript to reduce file size and improve page performance.
Use Tool
JSON to CSV Converter
Convert JSON arrays to CSV format instantly in your browser.
Use Tool
JWT Decoder
Decode and inspect JSON Web Token (JWT) claims instantly.
Use Tool
Hash Generator
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes from any text.
Use Tool
Cron Expression Generator
Build cron expressions visually and understand what they do.
Use Tool
Binary & Hex Calculator
Perform arithmetic in binary, hexadecimal, decimal and octal.
Use Tool
Number Base Converter
Convert numbers between binary, octal, decimal and hexadecimal.
Use Tool
HTTP Status Codes
Complete plain-English reference for all HTTP status codes.
Use Tool
Unix Timestamp Converter
Convert Unix/epoch timestamps to readable dates and vice versa.
Use Tool
Encryption / Decryption
Encrypt and decrypt text with AES-256. No data leaves your browser.
Use Tool
CSS Gradient Generator
Generate CSS linear and radial gradients visually and copy the code.
Use Tool
CSV to JSON Converter
Convert CSV files or pasted data to a JSON array instantly.
Use Tool
CSS Box Shadow Generator
Build CSS box-shadow values visually and copy the ready-to-use code.
Use Tool
Chmod Calculator
Calculate Unix file permission values with octal and symbolic output.
Use Tool
Pixel to REM Converter
Convert pixel values to REM and EM units based on a custom base font size.
Use Tool
SQL Formatter
Beautify and format messy SQL queries with proper indentation instantly.
Use Tool
YAML to JSON Converter
Convert YAML configuration files to JSON format instantly in your browser.
Use Tool
JSON to YAML Converter
Convert JSON data to clean, readable YAML format in one click.
Use Tool
Color Contrast Checker
Check foreground/background color contrast ratios against WCAG AA and AAA.
Use Tool
User Agent Parser
Parse any user agent string into browser, OS, and device details.
Use Tool
Gitignore Generator
Generate a .gitignore file for any language, framework or IDE combination.
Use Tool
Aspect Ratio Calculator
Calculate width, height or ratio for any image or video dimensions instantly.
Use Tool
XML Formatter & Validator
Beautify, validate and minify XML documents in your browser instantly.
Use Tool
.htaccess Generator
Build Apache .htaccess rules for redirects, auth and cache control visually.
Use Tool
CSS Beautifier
Format and indent minified or messy CSS files instantly.
Use Tool
JavaScript Beautifier
Beautify and format minified JavaScript code with proper indentation.
Use Tool
CSS Specificity Calculator
Calculate the specificity score of any CSS selector instantly.
Use Tool
JSONPath Tester
Test JSONPath expressions against a JSON document and see live results.
Use Tool
CSS Clip-Path Generator
Build CSS clip-path polygon shapes visually and copy the code.
Use Tool
Code to Image
Convert a code snippet to a beautiful syntax-highlighted image for sharing.
Use Tool
HTML to Markdown Converter
Convert HTML markup back to clean Markdown syntax instantly.
Use Tool
CSS Animation Generator
Build CSS keyframe animations visually with timing and easing controls.
Use Tool
Flexbox Generator
Design CSS flexbox layouts visually with live preview and copy-ready code.
Use Tool
CSS Grid Generator
Design CSS grid layouts visually and export the full CSS code instantly.
Use Tool