CSV to JSON
Converts CSV rows to JSON objects, with configurable separator and preview.
Processed on this device. The files are not sent to a server.
How to use this tool
- Enter the input data.
- Review the updated result and the tool limits.
- Copy or download the resulting text.
What you should know
Up to 200,000 characters, 1,000 rows of data and 100 columns. Unique headers up to 200 characters, output up to 1 MB; Quoted fields and line breaks supported. All cells are preserved as text.
Are leading zeros and formulas preserved?
Yes, as text. We do not infer numbers or execute formulas; We also do not open HTML included in a cell.