PrettifyCode – Free Online Code Beautifier, Formatter, Minifier & Diffchecker for JSON, JavaScript, HTML, CSS, XML, SQL & More
Use PrettifyCode's free online tools to prettify code, beautify, format, minify, validate, and pretty print code instantly. Prettify code online with our comprehensive suite of formatting tools. Whether you need a JSON Beautifier & Validator (JSON Formatter), a JavaScript Beautifier, an HTML Formatter & Minifier, a CSS Beautifier, or an SQL Query Formatter, our tools make your code clean and readable.
Developers can also compare text with our Diffchecker, work with XML and YAML Beautifiers, or use handy text utilities like the URL Encoder/Decoder and Case Converter. All tools run directly in your browser, with no login or signup required.
Explore Our Free Online Developer Tools
Choose from our collection of powerful, free online tools to beautify, format, and validate your code.
Diffchecker – Compare Text Side by Side
Use our free Diffchecker to compare two texts side by side. Highlight changes, spot differences, and make comparisons instantly.
JSON Beautifier & Validator
Beautify, format, validate, and pretty print JSON online with syntax highlighting and error detection.
JavaScript Beautifier & Validator
Format and validate JavaScript code instantly. Our free JS Beautifier ensures clean, readable, and consistent output.
XML Beautifier & Formatter
Beautify and format XML code with proper indentation and structure. Pretty print XML online in one click.
HTML Beautifier & Minifier
Beautify HTML code with proper indentation or minify HTML for faster loading. Perfect for developers and web designers.
JSON Escape & Unescape Tool
Escape or unescape JSON strings online. Prevent parsing errors and convert JSON strings safely.
URL Encoder & Decoder
Encode or decode URLs instantly. Free online URL Converter for safe web formatting.
CSS Beautifier & Formatter
Beautify and format CSS with consistent indentation and spacing. Improve readability of stylesheets instantly.
SQL Beautifier & Query Formatter
Beautify SQL queries for readability and debugging. Format SELECT, JOIN, UPDATE, and DELETE queries easily.
YAML Beautifier & Formatter
Beautify YAML files with consistent indentation and formatting. Free online YAML Formatter for developers.
Case Converter & Text Formatter
Convert text cases online — upper case, lower case, title case, and sentence case. Includes word and character count.
Popular Developer Tools
Discover our most popular code formatting and beautification tools designed to help you write cleaner, more readable code.
Whether you know us as PrettifyCode or simply Prettify Code, these tools are built to save you time and improve your workflow.
Code Beautifiers
- Beautify your JSON instantly with the Prettify Code JSON Beautifier
- Format JavaScript with PrettifyCode's JavaScript Beautifier for clean output
- Tidy up messy HTML using the Prettify Code HTML Beautifier
- Make your CSS consistent and readable with PrettifyCode's CSS Beautifier
- Structure XML properly using the Prettify Code XML Beautifier
Data & Query Tools
Frequently Asked Questions
Get answers to common questions about our code formatting tools
Is my code data safe when using PrettifyCode tools?
Absolutely. All code processing happens in your browser—your data never reaches our servers. Your code remains completely private and secure.
Do I need to create an account to use the tools?
No account needed! All our tools are freely available without any registration, allowing you to instantly prettify code, beautify and format your code. Prettify code online without any signup requirements.
How does code beautifying improve my development workflow?
Beautiful code is easier to read, debug, and maintain. Our tools save you time by instantly prettify code, beautify and format messy code, allowing you to focus on solving real problems rather than deciphering poorly formatted code. Prettify code online to improve readability and collaboration.
Can I customize the formatting options?
Yes! Each tool offers customization options like indentation size, quote style, and line endings so you can match your team's coding standards perfectly. Try our Prettify Code JSON Beautifier or Visit PrettifyCode's JavaScript Beautifier to see these options in action.
Do the tools work offline?
Once the page loads, our tools function entirely in your browser. This means you can disconnect from the internet and continue using them for your coding tasks.
Can I use these tools for large files?
Absolutely. Our tools are optimized to handle large files efficiently in your browser, though performance may vary depending on your device and file size. Try our Prettify Code Diff Checker for comparing large files or Visit PrettifyCode's SQL Beautifier for complex queries.
Are these tools free to use?
Yes, all tools on PrettifyCode are completely free to use without limitations or hidden costs.