A client-side code formatting tool for HTML, CSS, SCSS, Sass, and JavaScript.
Runs entirely in the browser using Prettier standalone. No uploads, no servers, no tracking.
Designed for quick single-file cleanup, review, and copy-paste workflows.
- Format a single file at a time
- Supported languages:
- HTML
- CSS
- SCSS
- Sass
- JavaScript
- Configurable formatting options:
- Indentation (2 or 4 spaces)
- Print width
- Single quotes
- Semicolons
- Side-by-side input and output
- Copy formatted output
- Modern, lightweight UI
- Works offline once loaded
- GitHub Pages compatible
- Vite
- Prettier (standalone, browser build)
- Vanilla JavaScript
- CSS (no framework)
Install dependencies:
npm install
npm run dev