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CSV/TSV ↔ JSON

Convert tabular data between CSV and JSON.

Select files

or drag and drop here

.csv, .tsv, .json · up to 50 MB per file 100 MB total

Help and information

How to use

Convert a simple CSV table into JSON records or such records back into a table.

  1. Choose suitable files.
  2. Adjust the result if needed.
  3. Click “CSV/TSV ↔ JSON” and download the finished file.
Read the full guide
Frequently asked questions
Where is the processing performed?
The file or text is sent to the server for processing. Before starting, read the terms and conditions on the tool page and agree to it. Download the finished result before the expiration date indicated on the page.
What to do if the result is not suitable?
Take the original file or text and try other settings in the steps above. Compare the new result with the previous one. The original files on your device remain unchanged.
Features and limits

Column names should not be repeated. The tool does not turn complex nested JSON records into a flat table. To store leading zeros, use the text type.

.csv, .tsv, .json → .csv, .json

50 MB / file; 100 MB in total; 20 files.

The upload starts only after you agree and start processing. The result’s storage period will be shown when processing finishes.

Open the result and compare the number of records and field names. In JSON -> CSV, check empty cells for missing values ​​and header order.