CSV to JSON
Turn tabular CSV data into JSON.
Runs in your browser
The first row provides the property names.
OutputText · 0 bytes
Your result will appear hereAdd your input, choose the options and run the tool.
Your input stays on this device. Nothing is uploaded or saved.
About CSV to JSON
Convert comma-separated records into a JSON array while preserving quoted fields, embedded commas, and line breaks.
When to use it
Turn spreadsheet exports into string-preserving API fixtures.
CSV:
code,name
001,Demo
JSON:
[{"code":"001","name":"Demo"}]How to use it
- Paste CSV with a header row.
- Choose Convert to JSON.
- Copy the JSON array.
Limits & privacy
Use unique headers, up to 5,000 rows, 256 columns, and 256 KiB of input. Values remain strings, preserving leading zeroes.
Use this tool from the API reference or connect through the SDK, CLI, SSH, or MCP. Hosted calls share your plan allowances.