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JSON Formatter: Validate, Beautify, and Minify JSON

Validate JSON, fix formatting issues, and produce clean output with consistent indentation.

2026-01-065 min
Related toolJSON Formatter

Use the tool alongside this guide for hands-on practice.

Validate first, then format

Validation catches missing commas, mismatched braces, and invalid quotes before you beautify or minify.

Beautify vs minify

Beautify makes JSON readable for humans. Minify removes whitespace for faster transport.

Common errors

Trailing commas and single quotes are the most frequent causes of invalid JSON.

FAQ

Is JSON processing secure?

Yes. Everything happens in your browser and no data is sent to a server.

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