JSON Formatter

JSON Formatter & Validator is a free online tool by TheToolFather that formats, minifies, and validates JSON data. It supports 2-space, 4-space, and tab indentation, reports errors with exact line and column positions, and runs entirely in the browser with no server-side processing. Built by XEROTECH LTD.

Developer Tools

Free JSON Formatter & Validator

Format, minify, and validate JSON instantly in your browser. Configurable indentation and line-level error reporting.

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What This Tool Does

✨

Format

Pretty-print JSON with your choice of 2 spaces, 4 spaces, or tab indentation. Instantly readable.

📦

Minify

Remove all whitespace from JSON. Reduces payload size for API requests and storage.

✓

Validate

Check JSON syntax with exact line and column error positions. Find and fix issues fast.

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Part of TheToolFather. Built by CallGPT — XEROTECH LTD