Is my code uploaded to a server?

No. Formatting runs locally in your browser using Prettier, so your code never leaves your device.

Which languages are supported?

JavaScript, TypeScript, JSON, HTML, and CSS, each with the appropriate Prettier parser.

Format and pretty-print JavaScript, TypeScript, JSON, HTML, and CSS with consistent indentation — powered by Prettier, entirely in your browser.

Is my code uploaded to a server?: No. Formatting runs locally in your browser using Prettier, so your code never leaves your device.
Which languages are supported?: JavaScript, TypeScript, JSON, HTML, and CSS, each with the appropriate Prettier parser.

JSON Validator — Validate, parse, and prettify JSON — load it from a URL or curl command, or convert a Python dict (single quotes, True/False/None) to JSON. Identifies syntax errors with precise line number reporting.
Minifier — Reduce bundle sizes by removing whitespace, comments, and optimizing code structure for production.
SQL Formatter & Beautifier — Pretty-print and indent SQL queries across dialects (PostgreSQL, MySQL, T-SQL, BigQuery, and more) with configurable keyword casing.
XML Formatter — Beautify and validate XML with configurable indentation, or minify it to the smallest valid output — entirely in your browser.
JSON Diff — Compare two JSON objects (or Python dicts) structurally to spot added, removed, and changed keys — or switch to line and word mode for plain text and code.
RegEx Tester — Build and test regular expressions in real-time with syntax highlighting and match group visualization.
Base64 Converter — Quickly encode and decode strings or files to Base64 format for safe data transmission.
URL Encoder / Decoder — Percent-encode or decode text, URLs, and query strings — with batch line mode and a parsed parameter breakdown.