Guide

Check JSON Format Online

When JSON will not parse, the first step is usually to check the format. A browser validator gives a fast answer before you paste the data somewhere else.

Recommended tool

The quickest way to do this task on this site is to use JSON Validator.

Open JSON Validator

Steps

  1. 1.Open the JSON Validator tool.
  2. 2.Paste the JSON content.
  3. 3.Run the validation check.
  4. 4.Fix the data if the format is not valid.

FAQ

Can I use this for copied API responses?

Yes. Pasted API responses are a common reason to check JSON formatting.

Should I format or minify afterward?

That depends on the next step. Use formatting for reading and minifying for compact output.

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