Code Formatter – is an extension for Google Chrome. Add to Chrome
A Chrome extension that makes CSS, JSON, and JavaScript more readable in the browser with syntax highlighting, line numbers, and collapsible sections.
You know how frustrating it is to read code that’s not formatted correctly or is minified.

๐ฅ Multiple programming languages support
Works directly in your browser when viewing source code. Beyond basic highlighting, it automatically detects and enhances the following code types:
- JSON (json)
- CSS (css)
- JavaScript/TypeScript family (js, ts, jsx, tsx)
- PHP (php)
- Markdown (md)
- XML (xml)
- YAML (yaml, yml)
- LESS (less)
- SASS (sass)
- Python (py)
- SQL (sql)
- Go (go)
- C++ (cpp, cxx, cc)
- Rust (rs)
- Java (java)
- C# (cs)
A treasure for developers and not only.
๐งโ๐ป Notable Features:
- Syntax highlighting for easy code understanding
- Auto-beautifies code for better readability
- One-click download or copy formatted code
- Collapsible sections for focused viewing
- Line numbers for easy reference
- Auto-detects code on any webpage
- Lightweight design that won’t slow your browser
- Is open-source and free to use
- Fast – no waiting for code to format and instant results
- Works offline and online
- Supports multiple code types
Private and secure – collects no user data.
โ Safe and Secure:
Ensuring your privacy and security- no user data collected. In fact, you can see the source code on GitHub.
๐ผ๏ธScreenshots:
Here are a few screenshots of formatted code originally in one line and hard to read.



The styling might be changed a bit from version to version, however, the functionality remains the same. All changes are done as improvements.