Free Code Formatter Online
Format and beautify JavaScript, TypeScript, CSS, and HTML code with Prettier. Professional code formatting with customizable style options.
Uses the official Prettier library for industry-standard code formatting across multiple languages.
Configure tab width, quotes, semicolons, line length, and more to match your coding style.
All formatting happens locally in your browser. Your code never leaves your device.
Development Workflow
- • Code review preparation
- • Legacy code cleanup
- • Consistent team formatting
- • Pre-commit formatting
- • Documentation examples
Code Quality
- • Improved readability
- • Standardized style
- • Reduced diff noise
- • Better collaboration
- • Professional presentation
What formatting engine is used?
We use Prettier, the industry-standard code formatter trusted by millions of developers worldwide.
Can I save my formatting preferences?
Currently, preferences are saved for your session. We're working on persistent settings for future updates.
What languages are supported?
JavaScript, TypeScript, CSS, and HTML are fully supported with their respective Prettier parsers.
Does formatting change code functionality?
No, Prettier only changes formatting and whitespace. Your code's functionality remains exactly the same.
Help others discover this amazing free tool ✨