TToolNova

Developer Tools

JSON Formatter

Paste JSON to make it readable, compress it for transport, or find validation errors quickly.

Privacy note: Your input is processed locally in your browser and is not uploaded to our server.

How to use this tool

  1. Paste JSON into the input editor.
  2. Click Format JSON or Minify JSON.
  3. Review the output or validation error message.

Why use this tool

  • Debug API responses and configuration files faster.
  • Minify JSON when compact output is needed.
  • Validate data without sending it to a server.

FAQ

Does this support JSON with comments?

No. Standard JSON does not allow comments, so commented input will show a validation error.

Is my JSON uploaded?

No. Formatting and validation happen locally in your browser.