Free in-browser tool

JSON formatter and validator

Validate JSON and format it with readable two-space indentation. your text is not uploaded.

How to use this tool

Paste JSON and click Format and validate. A status message tells you whether parsing succeeded.

  1. Add your text to the input panel.
  2. Choose the action you need and review the result.
  3. Copy the result only after checking it.

Why this tool is useful

Readable JSON makes configuration files, API responses, and debugging logs easier to inspect without sending sensitive data to a server.

TextNivora processes data inside your browser. For important documents, keep an original copy and review every result before using it.

Frequently asked questions

Does it repair invalid JSON?

No. It identifies whether parsing succeeds but does not guess how broken data should be changed.

Can I format confidential data?

Processing is local, but you should still avoid copying secrets into any page you do not control.