02 · JSON formatter
Check JSON, make it easier to read, or shrink it to one line.
FREE ONLINE TOOL
JSON Formatter and Validator Online
Format, minify, and validate JSON in your browser without uploading data.
How to use this tool
Paste JSON, select indentation, and choose Format and validate or Minify. The browser parser reports syntax errors; it does not guess repairs.
Privacy and limits
This tool runs in your browser and does not upload its text or image inputs to a calculator service. Results are general information. Check important provider, carrier, or marketplace rules before relying on an estimate.
Common question
Do I need an account? No. Open the page and use the tool directly.