Code Formatters & Beautifiers
Format, beautify and minify JSON, CSS, JS, SQL, YAML, XML and more.
JSON Formatter
Beautify, minify and validate JSON — 100% in your browser.
Markdown Preview
Write Markdown and see the rendered HTML live — side by side.
CSS Minifier & Beautifier
Compress or re-indent CSS — instantly, locally.
JS Minifier & Beautifier
A conservative JS formatter — strip // comments, dedent, beautify.
SQL Formatter
Beautify SQL with uppercase keywords & sensible line breaks.
XML Formatter & Minifier
Beautify or minify XML — handles attributes, CDATA, comments.
Code Formatter
Beautify or minify JSON, CSS, HTML, SQL and XML in one tool.
JSONL Formatter
Beautify, minify and convert JSON Lines — log-friendly.
YAML Formatter
Beautify or minify YAML — pure JS, no dependencies.
What Are Code Formatters and Beautifiers?
Code formatters automatically restructure source code to follow consistent styling rules. They fix indentation, line breaks, spacing, and ordering without changing the code's behavior. This is essential for team projects where multiple developers write code differently.
Beautifiers take minified or poorly formatted code and restore readable structure. Minifiers do the opposite, removing whitespace and shortening variable names to reduce file size for production deployment.
Our formatters handle JSON, CSS, JavaScript, SQL, YAML, and XML. Each tool processes code instantly in your browser, making it easy to clean up copied snippets, debug malformed data, or prepare code for version control.