Instantly format, beautify, validate, and minify your code. Supports JSON, HTML, CSS, JavaScript, XML, SQL, PHP, Python, TypeScript, C and more.
Pick a language, paste your code, and get clean, perfectly indented output in seconds. All tools are browser-based and require no sign-up.
Validate, format, minify, and visualise JSON instantly. Detect syntax errors with highlighted feedback and pretty-print any JSON data structure.
↗Clean up messy HTML markup with proper indentation and tag nesting. Perfect for reviewing templates, email HTML, or web-scraped source code.
↗Format and beautify CSS stylesheets instantly. Organise selectors, expand minified CSS, and improve readability for cleaner front-end codebases.
↗Beautify minified or unformatted JavaScript code. Restore readable indentation, expand compressed scripts, and debug JS logic with ease.
↗Format and validate XML documents with proper hierarchy. Ideal for working with config files, SOAP responses, RSS feeds, and API data.
↗Format complex SQL queries for maximum clarity. Align keywords, indent clauses, and convert single-line queries into readable multi-line statements.
↗Beautify PHP code with consistent spacing and indentation. Format server-side scripts for improved readability, maintainability, and code review.
↗Auto-format Python code following PEP 8 style guidelines. Fix indentation, spacing, and line length issues for cleaner, more Pythonic code.
↗Format TypeScript source files instantly online. Handle interfaces, generics, decorators, and type annotations with consistent, readable indentation.
↗Format and beautify C source code online. Correct brace placement, pointer spacing, and indentation to meet common C coding standards.
↗Every developer has faced the frustration of reading tangled, single-line minified code or inconsistently indented scripts. Online code formatters eliminate this friction in seconds — no local IDE, no plugins, no configuration headaches. Simply paste your code and receive clean, human-readable output that follows language conventions.
Whether you are debugging a JSON API response, reviewing a colleague's PHP, or deconstructing a minified JavaScript bundle, a formatter saves time and reduces cognitive load. Consistent formatting also makes version control diffs far cleaner, helping teams collaborate without whitespace noise cluttering pull requests.
Our free online formatter and beautifier tools support the most popular programming and markup languages — all processed client-side for privacy, with zero data stored on our servers.
Built for developers who value speed, privacy, and accuracy in every formatting task.
Results appear in real-time as you paste or type your code. No waiting, no loading spinners.
All formatting is handled in your browser. Your code never leaves your device — no server-side processing.
Many tools include syntax validation, flagging errors before you format so nothing slips through.
Switch between pretty-printing for readability or minification to reduce file size for production.
Copy formatted output to clipboard instantly and paste it straight into your editor or project.
Fully responsive across desktop, tablet, and mobile. Format code on any device, anywhere.
No subscriptions, no credits, no account required. Open the tool and start formatting immediately.
Colour-coded output makes code easier to scan, understand, and spot problems at a glance.
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