Code Formatting and Beautifying Tools
Turn minified or difficult-to-scan source into consistent, readable code before debugging, review or documentation.
Choose a tool
18 browser-based tools are available in this collection. Open a tool to see its input, output and current size limit.
JavaScript Beautifier
Beautify · Browser-side processing
JSON Formatter
Format · Browser-side processing
XML Formatter
Format · Browser-side processing
HTML Formatter
Format · Browser-side processing
SQL Formatter
Format · Browser-side processing
TypeScript Formatter
Format · Browser-side processing
CSS Formatter
Format · Browser-side processing
Markdown Formatter
Format · Browser-side processing
GraphQL Formatter
Format · Browser-side processing
YAML Formatter
Format · Browser-side processing
Python String Formatter
Format · Browser-side processing
LaTeX Formatter
Format · Browser-side processing
Java String Formatter
Format · Browser-side processing
Lua String Formatter
Format · Browser-side processing
SVG Formatter
Format · Browser-side processing
cURL Formatter
Format · Browser-side processing
TOML Validator and Formatter
Format · Browser-side processing
Docker Compose Formatter
Format · Browser-side processing
Privacy-first developer workflows
Supported input is processed in the browser, so source data does not need to be uploaded to a server. Limits vary by tool and browser; the tool page shows the relevant behavior before you start.
How to choose the right tool
Use formatters and beautifiers when code is difficult to read, validators when you need to find syntax problems, and converters when another system expects a different data structure. For production bundles, use a minifier only after reviewing the readable source and testing the result.
Bookmark this collection for repeat debugging, API inspection, configuration review and data-cleanup tasks. Every tool links to adjacent workflows so you can move from validation to formatting or conversion without returning to the home page.