JSON Formatter
Format, validate and minify JSON easily. Free, private, and local-first.
Tool facts
- Upload required
- No
- Signup required
- No
- Category
- Developer Tools
Use JSON Formatter
Format, minify, and validate JSON in your browser.
Paste JSON, then format, minify, or validate it locally.
What this tool does
How to use JSON Formatter
- 1
Paste or type your JSON into the input area.
- 2
Click Format to pretty-print or Minify to compress.
- 3
Review any validation errors highlighted in the output.
- 4
Copy the result or download it as a file.
Examples
API response
{"users":[{"id":1,"name":"Alice"}]}
Config file
{"port":3000,"debug":true}
Use cases
- Formatting API responses during development
- Validating configuration files before deployment
- Minifying JSON payloads for production
- Debugging JSON parsing errors in logs
Privacy and usage notes
CodeVella tools are designed to run locally in your browser. Your input is not uploaded to a server, and no account is required.
Generated test data is intended for development, QA, demos, and safe internal workflows.
Frequently asked questions
Is my data uploaded?+
No. This tool is designed to run locally in your browser.
Do I need an account?+
No signup is required for CodeVella tools.