JSON Validator
DataPaste your JSON to validate it instantly in the browser — no data leaves your machine
Input JSON
Paste JSON above to validate
How to use
- Paste your JSON into the editor.
- Errors are highlighted in real time with line and column numbers.
- Fix the issues and confirm the green "Valid JSON" badge.
Features
- Real-time validation as you type.
- Precise error location — line and column numbers.
- JSON statistics: key count, depth, size.
Use cases
Quickly check API payloads, config files, or any raw JSON for syntax errors before using it in production.
Related tools
- JSON Formatter — Format, minify, and validate JSON quickly in your browser
- JSON Minifier — Minify and compress JSON to reduce file size instantly
- JSON Diff — Compare two JSON objects and highlight the differences