CSV to JSON Converter
Spreadsheets to JSON instantly.
- 100% free
- No sign-up
- Runs in your browser
From spreadsheet to API-ready data
Export a sheet as CSV, paste it here and get a JSON array of objects — one per row, keyed by your header row.
Quoted fields with commas and line breaks are handled correctly, and numbers and true/false values become real JSON types.
- 1
Paste CSV
Or export from Excel/Sheets.
- 2
Pick the delimiter
Comma, semicolon or tab.
- 3
Copy or download
As a .json file.
Frequently asked questions
My Excel export uses semicolons — will it work?
Yes. Choose Semicolon, which many European locales use by default.
Can I keep everything as text?
Turn off number detection to keep all values as strings.
Is my data uploaded anywhere?
No. Everything runs in your browser with JavaScript — nothing you type or open is sent to our servers.