When You Need a JSON Formatter
- API response is one long unreadable line
- JSON has a syntax error and you can't find where
- Need to minify JSON for production
- Want to sort keys alphabetically for comparison
How to Use
- Open our JSON Formatter
- Paste or upload your JSON
- See instant validation — errors highlighted with line/column
- Choose: Beautify (2/4 spaces, tabs), Minify, Sort Keys, or Repair
- Switch between Text View and Interactive Tree View
- Copy or download the result
Repair Feature
Our JSON repair automatically fixes common issues: missing quotes around keys, trailing commas, single quotes instead of double quotes, and unquoted string values.