JSON Formatter & Validator
Format, validate, and minify your JSON data instantly.
Secure & Private • Processed Locally
Privacy Guarantee
Your data never leaves your device. All processing happens locally in your browser using secure WebAssembly and HTML5 APIs. We do not store, keylog, or transmit your input.
Why Use Our Tool?
Beautify
Format messy JSON with proper indentation and spacing for readability.
Validate
Instantly check for syntax errors in your JSON data.
Minify
Remove whitespace to reduce file size for API payloads.
How to Use
1
Paste JSON
Paste your raw JSON code into the input editor.
2
Process
Click 'Beautify' to format or 'Minify' to compress.
3
Copy
Copy the result or fix errors if validation fails.
Frequently Asked Questions
Is my data safe?
Yes, all processing happens locally in your browser. No data is sent to any server.
Does it handle large files?
It can handle reasonably large JSON files, limited only by your browser's memory.