JSON Formatter & Validator

This tool is coming soon — check back shortly! We're building it right now.

How to Use JSON Formatter & Validator

Paste your JSON into the input field
Click 'Format' to prettify or 'Minify' to compress
Errors will be highlighted with line numbers
Use the copy button to copy the output

Features

Syntax highlighting with color-coded keys and values
Real-time error detection with line number hints
One-click minification to reduce file size
Collapsible tree view for large objects
Copy output with a single click

What is JSON Formatter & Validator?

A JSON formatter and validator helps you read, debug, and share JSON data. Whether you're working with API responses, config files, or data structures, a well-formatted JSON is easier to understand and debug.

Frequently Asked Questions

JSON (JavaScript Object Notation) is a lightweight data-interchange format. It's easy for humans to read and write and easy for machines to parse and generate.

Minified JSON is hard to read. Formatting (pretty-printing) adds indentation so you can quickly understand the structure.

Yes — all processing happens in your browser. Your JSON never leaves your device.

JSON Formatter & Validator