JSON formatter

FormatJSON is the free online format and validator tool for JSON ✅ Copy and paste or directly type in the editor and let FormatJSON format and validate your JSON code ✅ , a lightweight interchange format ✅.

We don't store any tracking cookies 🍪 And we do not store any input data. Your data is your ownership, we just make it prettier for you 💗🙏



Tips & Tricks

  • If you want your JSON code to be clean. You can paste your whole JSON file in the code section and let FormatJSON format your code.
  • You can format HTML at HTML-Lint.com.
  • You can format CSS at CSS-Lint.com.
  • You can format XML at XML-Lint.com.
  • You can format JS at JS-Formatter.com.
  • You can calculate and visualize your website's CLS (Cumulative Layout shift) score CLS-Test.com.