Free developer tools — format, minify, encode, decode HTML, CSS, JS, JSON, XML and more.
Minify HTML to remove whitespace and reduce file size.
Minify JavaScript to reduce file size for production.
Format and indent HTML markup for readability.
Format and beautify CSS stylesheets with proper indentation.
Beautify minified JavaScript code for easy reading.
Format, validate and explore JSON data instantly.
View and navigate JSON data in a tree structure.
Format and validate XML documents with error checking.
Format and beautify PHP code for readability.
Encode or decode Base64 strings instantly.
Encode or decode URLs for safe web transmission.
Convert special characters to and from HTML entities.
Generate MD5 hash checksums for any text or file.
Generate secure SHA-256 hash values for any input.
Generate 512-bit SHA cryptographic hash values.
Generate universally unique UUIDs for databases and APIs.
Decode and inspect JWT tokens and their payload.
Test and debug regular expressions with live matching.
Build cron expressions for scheduled task automation.
Compare two code files and highlight all differences.
Preview HTML code rendered live in a safe sandbox.
Generate CSS box-shadow values with live preview.
Generate CSS border-radius values visually.
Build CSS flexbox layouts with a visual editor.
Design CSS grid layouts visually and copy the code.
Look up the meaning of any HTTP status code.
Parse and break down any URL into its components.
Format SQL queries with proper indentation and keywords.
Validate and format YAML configuration files.
Format and validate TOML configuration files.
Format and beautify GraphQL queries and schemas.
Format and analyse API JSON and XML responses.
Preview websites at different screen sizes and breakpoints.
Build and test HTTP requests with custom headers.
Generate Lorem Ipsum in JSON, HTML and XML formats.
Test CDN performance and loading speed from multiple locations.
Analyse GitHub profiles and repository statistics.
Write Markdown and see a live rendered preview.
Build HTML tables visually and copy the markup.
Minify or beautify CSS stylesheets instantly.
Obfuscate JavaScript code to protect against copying.
Minify JSON by removing whitespace to reduce file size.
Convert JSON data to XML format instantly.
Convert XML data to CSV spreadsheet format.
Convert CSV data to structured XML format.
Parse HTML tables and convert to JSON format.
Convert YAML configuration files to JSON format.
Convert JSON data to YAML configuration format.
Convert TOML configuration files to JSON format.
Generate CSS custom property variables for design systems.
Manage and organise CSS z-index values visually.
Generate CSS media queries for responsive breakpoints.
Generate Tailwind CSS utility classes visually.
Build Bootstrap grid layouts with visual column editor.
Optimise and minify SVG path data for smaller files.
Generate .htaccess redirect rules for Apache servers.
Check CSS and HTML feature support across browsers.
Encode and decode messages with Caesar cipher shifts.
Convert text to camelCase format for programming.
Convert hexadecimal values to readable plain text.
Stringify JavaScript objects into JSON string format.
Parse stringified JSON back into readable object format.
Convert text to kebab-case format for CSS and URLs.
Build Markdown tables visually for GitHub and Notion.
Sort lists of numbers in ascending or descending order.
Convert text to PascalCase format for class names.
Encode or decode text using ROT13 letter substitution.
Format and beautify SCSS stylesheets instantly.
Convert text to snake_case format for variables.
Format and beautify TypeScript code for readability.
Encode or decode text using UTF-8 character encoding.
Convert Word documents to clean Markdown syntax.
Test password strength and get security improvement tips.
Calculate subnet masks, ranges and hosts for any CIDR.
