Free Online Code Utilities
Free online code formatting and utility tools. Beautify, minify, and compare JavaScript, CSS, HTML, and more.
6 tools available
JavaScript Beautifier & Minifier
Format or minify JavaScript
CSS Beautifier & Minifier
Format, optimize, and minify CSS code
HTML Beautifier & Minifier
Format, optimize, and minify HTML code
Code Diff Checker
Compare code/text side-by-side
Markdown Editor & Previewer
Live markdown editor with preview
XML to Java Class Converter
Convert XML to annotated Java classes with JAXB & Lombok support
Related Use Cases
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About Free Online Code Utilities
Free online code formatting and utility tools. Beautify, minify, and compare JavaScript, CSS, HTML, and more. All tools are 100% free, work entirely in your browser for maximum privacy, and require no installation or sign-up. Whether you're debugging, converting data formats, or generating code, our free online code utilities help you work faster and smarter.
Why Choose Our Tools?
- Privacy-First: All processing happens in your browser — no data leaves your device.
- Instant Results: Client-side processing means zero server delays.
- No Sign-Up: Start using any tool immediately, no registration required.
- Multilingual: Available in 10 languages for developers worldwide.