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CSV to JSON

Convert spreadsheet rows into clean JSON instantly. Free, private and browser-based.

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Open files
0 / 5

Free workspace supports five open files. Each file can be up to 100 MB.

Converted data0 rows · 0 columns
[
  {"name":"Maya","score":92},
  {"name":"Eli","score":88}
]
0 empty cells detectedProcessed locally

About the CSV to JSON

Convert a CSV file or pasted table into JSON — an array of objects named after your column headers — for apps and APIs.

How to use it

  1. Open or paste the CSV.
  2. Check the preview.
  3. Download or copy the JSON.

Questions

Is my data uploaded?

No. The tool runs in your browser; what you paste or open never leaves your device and nothing is stored on a server.