Code Formatter
Free online multi-language code formatter. Format JavaScript, TypeScript, HTML, CSS, Markdown, YAML, and JSON code instantly with Prettier. Get clean, consistent, and readable code with configurable options. No signup required, no upload needed - all formatting happens locally in your browser.
Frequently Asked Questions
Which programming languages are supported for formatting?
JavaScript, TypeScript, JSON, HTML, CSS, Markdown, and YAML are all supported. The tool uses Prettier under the hood, which is the industry-standard code formatter used by millions of developers worldwide.
Can I customize formatting options like indentation and line width?
The tool uses Prettier opinionated defaults which produce consistent, readable code. Currently the standard settings are applied (2-space indentation, 80-character line width). Custom configuration options may be added in a future update.
Is it safe to paste proprietary or confidential code into this tool?
Yes, completely safe. All formatting happens locally in your browser - your code is never sent to any server. This makes it safe to format proprietary, confidential, or sensitive code without any privacy concerns.
Is Code Formatter free, and do I need to sign up or upload my files?
Code Formatter is 100% free to use with no signup, no registration, and no usage limits. All processing happens locally in your browser - your files and data never leave your device, so no upload is required and your privacy is fully protected.