Toolbox

Developer TOOL

JSON Formatter and Validator

Format, validate, and minify JSON with readable syntax errors.

Format or minify JSON

How to use this tool

  1. Paste JSON into the input.
  2. Choose Format or Minify.
  3. Read errors or copy the output.

About this tool

Paste JSON to validate syntax, format it with indentation, or produce compact JSON. Processing stays in your browser.

Frequently asked questions

Can I format private JSON?

This implementation processes JSON in your browser and does not upload the input.

KEEP GOING

View all tools ↗

Explore other utilities that may help with your next task.

Base64 Encoder and DecoderEncode plain text to Base64 or decode Base64 back to text.URL Encoder and DecoderEncode or decode text for use in URL components.UUID GeneratorGenerate random version 4 UUIDs for development and testing.