Developer Tool

JSON Formatter & Validator

Format, validate, minify, repair, convert and explore JSON — entirely in your browser. Nothing is ever sent to a server.

✓ Format & Beautify ✓ Validate & Repair ✓ Minify ✓ Sort Keys ✓ Tree Explorer ✓ Convert: CSV · XML · YAML ✓ JSON Diff ✓ JSON Path ✓ 100% Private
○ Ready — paste or type JSON below, or click Sample
Tip: Ctrl+Enter to format instantly
Input
Output
Formatted result appears here
Click a value to see its path

Format JSON in the Editor tab first to explore the tree.

A Original JSON
B Modified JSON
JSONPath Query

Enter a JSONPath expression to extract values from your formatted JSON. Load JSON in the Editor tab first.

Quick examples: $ (root) $.name $.employees[0] $.employees[*].name $..skills
Results appear here…
JSON Schema Generator

Auto-generates a JSON Schema (Draft-07) from your formatted JSON. Load JSON in the Editor tab first.

// Schema will appear here after clicking Generate Schema

Load and format JSON in the Editor tab to see statistics.

Why Use This Tool?

100% Private

All processing happens in your browser. Your JSON data never leaves your device — no servers, no logs.

Auto Repair

Fixes trailing commas, single quotes, unquoted keys, JS comments and other common mistakes automatically.

Convert Formats

Export JSON as CSV, XML or YAML with a single click for maximum compatibility with any workflow.

JSON Diff

Compare two JSON objects side by side and instantly see every added, removed or changed line.