Developer / json-validator
JSON validator
Paste JSON to validate it. Errors show line and column. Toggle pretty-print to format or compact the output.
input.json
·
result
paste JSON to begin
How it works
Parses your input with the browser's native JSON parser. Errors include the byte position translated into line and column.
Privacy
Everything runs locally in your browser. Your data never leaves the page.
Tips
- Toggle pretty for compact JSON.
- Inline errors point to the exact line.
- Supports any depth and all JSON types.