How do I use Code Beautifier?
Open the tool, add your input, review the live preview, and download or copy the final output. No account is required for basic use.
Beautify and format code
Language-specific pages with preset formatting — JavaScript, TypeScript, CSS, HTML, JSON, XML, Markdown, and YAML.
Code Beautifier
Premium formatter for multiple languages (JS/TS/CSS/HTML/JSON/Markdown/YAML + XML). Runs locally in your browser. Auto-detect helps beginners; advanced options help developers.
Beautify, format, and organize JavaScript, HTML, CSS, JSON, and XML code instantly. Improve readability with a fast, secure browser-based code formatter.
Last updated: Mar 28, 2026
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Open the tool, add your input, review the live preview, and download or copy the final output. No account is required for basic use.
Code Beautifier includes free usage on WebioTools. Limits may apply for high-volume usage depending on your plan.
WebioTools is privacy-first. Many operations run in-browser, and data handling follows the site's privacy policy.