
Beautify messy JSON into a readable structure.
Quickly validate JSON and spot syntax errors.
Explore JSON data in a collapsible, interactive tree.
Compress JSON for APIs, storage, or faster transfer.
The JSON Formatter Tool is a free, browser-based utility that helps developers, data analysts, and students work with JSON data.
It supports formatting, minifying, validating, and tree visualization without installing any software. Whether you’re debugging APIs or cleaning JSON for storage, this tool ensures accuracy and saves time.
JSON (JavaScript Object Notation) is a lightweight format for storing and exchanging data, widely used in APIs, apps, and databases.
Yes ✅ — this tool runs completely in your browser. No data is sent to any server.
This tool focuses on formatting and validating JSON. For conversions (JSON ↔ CSV, XML, etc.), you may need separate tools.
Yes, but performance may vary depending on your browser and system. For very large files, use a desktop editor.
Yes, but note that valid JSON requires double quotes. The tool can display single quotes for convenience, but it won’t be valid JSON.
ADVERTISEMENT