ToolsVix›Developer›Format & Validate JSON
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Format & Validate JSON

Pretty-print, minify and validate JSON with clear error feedback.

✓ Free✓ No sign-up● Local-first
What it does

Format & Validate JSON

Pretty-print, minify and validate JSON with clear error feedback.

The workspace above is the actual tool — there is no separate sign-up or installation step.

How to use it
  1. 1Add the inputUse JSON in the workspace above.
  2. 2Check the settingsSet Pretty · Minify before running the tool.
  3. 3Run Format & Validate JSONThe result appears on this page or is downloaded when the tool creates a file.
Privacy & security

What happens to your input?

Each tool explains whether processing stays in your browser and whether a pinned third-party library is downloaded when needed.

Input / compatibilityJSON
Key settingsPretty · Minify
ResultJSON
Common questions

Common questions: Format & Validate JSON

Is Format & Validate JSON free to use?

Yes. This release does not require an account or payment to use this tool.

Does ToolsVix upload my data when I use Format & Validate JSON?

The tool page explains its data behavior. Tools marked In browser are designed to process your input in this tab instead of sending it to a ToolsVix application server.

Can I use Format & Validate JSON on a phone or tablet?

Yes. The interface is responsive and works in modern mobile browsers, although very large files can be easier to process on a desktop device.

What input, settings and result does Format & Validate JSON use?

Input / compatibility: JSON. Key settings: Pretty · Minify. Result: JSON.