Free JSON Formatter & Validator Online

Format, validate, beautify, minify, and inspect JSON directly in your browser.

JSON formatter workspace The interactive tool loads here immediately.

What is JSON Formatter

A JSON formatter turns compact, hard-to-read JSON into structured, indented output. Aruvix also validates syntax, highlights errors, supports minified output, and gives you tree and table views for inspecting nested data.

Why use JSON Formatter

Use it when API responses, logs, configuration files, or copied payloads need to be cleaned up before debugging, sharing, comparing, converting, or validating.

Features

  • Beautify JSON
  • Minify JSON
  • Validate JSON
  • Tree view
  • Syntax highlighting
  • Error detection

How to use

  1. Paste JSON into the source editor.
  2. Choose Format, Validate, Minify, or Repair.
  3. Review the formatted output, tree view, table view, type view, or schema output.
  4. Copy or download the result for your next workflow.

FAQ

Is this JSON formatter free?

Yes. Aruvix JSON Formatter runs in the browser and is free to use without an account.

Can it validate invalid JSON?

Yes. The formatter reports JSON syntax errors and includes repair tools for common malformed payloads.

Does my JSON leave the browser?

No. Formatting, validation, minify, tree view, and conversion actions run locally in your browser.