Online utility
Format and Validate JSON Online
Processed in your browser. Learn how data is handled
Inspect JSON using the browser's strict parser, then create a readable indented or compact version. Invalid input returns a safe location hint without evaluating code.
Interactive workspace
JSON Formatter workspace
Simple workflow
How to use JSON Formatter
- Format the document
Paste JSON, choose format or minify, and copy or download the validated result.
Common questions
Frequently asked questions
Does this execute my JSON?
No. The input is parsed as data with JSON.parse and is never evaluated as JavaScript.