Online Code Beautifier

Paste any code snippet, even large files - we'll auto-detect the format and beautify it instantly without freezing your browser. Handles malformed JSON, messy Python, and complex PHP structures.

Mode unknown

Indent Use tabs

Formatted Output

Formats & Workflows

JavaScript Beautifier

Fix indentation, semicolons, and spacing

Python Formatter

PEP 8-friendly indentation and line length

Python Object/Repr Beautifier

Pretty print dicts, lists, tuples

HTML Beautifier

Pretty print HTML markup

CSS Beautifier & Minifier

Readable dev output or compressed prod CSS

JSON Formatter (No Validation)

Accepts malformed JSON; best-effort formatting

SQL Query Formatter

Uppercase keywords and align joins

Beautify Minified Code

Make minified JS/CSS/HTML readable

PHP Dump Beautifier

Format var_dump/print_r output