JSON Studio

JSON Validator

Paste any JSON document to check whether it is valid. Errors show the parser message with the approximate line and column, and valid input is re-printed with full syntax highlighting.

Output will appear here.

Shortcuts: Ctrl/Cmd + Enter run · Ctrl/Cmd + Shift + F format

How to use

  1. 1Paste or type your JSON into the editor on the left (line numbers help you find issues).
  2. 2Click Validate JSON, or press Ctrl/Cmd + Enter.
  3. 3Read the green success banner, or the red error banner with line and column details.
  4. 4Use Beautify or Minify, then copy or download the result.

Frequently asked questions