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Free JSON formatter & validator
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Free JSON formatter & validator
Format, validate and beautify json
# Code Assistant
Featured on : May 20. 2025
Featured on : May 20. 2025
What is Free JSON formatter & validator?
Format JSON Online is a quick, easy, and free tool. You can format, validate, and minify JSON data right in your browser. This tool helps you do it instantly with zero setup. Just paste your JSON and you're done.
Problem
Users need to manually format and validate JSON data, which is time-consuming and prone to syntax errors due to lack of real-time validation tools.
Solution
A web-based tool allowing users to format, validate, and beautify JSON instantly by pasting data into the browser, eliminating setup or costs.
Customers
Developers, data engineers, and QA testers who regularly work with JSON APIs or configuration files.
Unique Features
Zero-installation browser tool with real-time validation, minification, and beautification features.
User Comments
Simplifies debugging JSON errors
Saves hours of manual formatting
Essential for API integrations
User-friendly interface
Free and accessible instantly
Traction
600+ upvotes on ProductHunt, 50+ comments praising its simplicity, and no disclosed revenue (positioned as a free tool).
Market Size
The global developer tools market, including JSON utilities, is valued at $6 billion (2023).