JSON Formatter & Validator

Instantly beautify, minify, and validate your JSON data securely.

Input JSON:

Formatted JSON: Waiting

Spaces/Indent:

What is the JSON Formatter?

JSON (JavaScript Object Notation) is the standard data-interchange format across the web. However, to save bandwidth, APIs often return JSON in a minified, unreadable format. Our JSON Formatter instantly transforms scrambled, single-line JSON into a cleanly indented, highly readable structure.

Key Features

Validation Engine: Automatically detects structural errors in your JSON, highlighting exactly where the parse failed.
Minification: Reverse the process. Compress your beautifully indented JSON into a single line to reduce file size before inserting it into a database or codebase.
Local Execution: JSON files often contain highly sensitive API keys or user data. This JSON Formatter executes 100% inside your browser via JavaScript. Your payloads never interact with our servers.