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Tools · CSV ⇄ JSON converter

CSV ⇄ JSON converter

Convert your data between CSV and JSON. Everything happens in your browser: your data never leaves your device.

Direction

Processed on your device. Your files never leave it.

Turn a CSV table into JSON or back again, with quotes and commas handled, no software needed. Everything happens in your browser.

  • 100% client-side conversion: your data stays private.
  • Handles quoted fields, commas and line breaks.
  • Free, no sign-up, no ads.

See also

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JSON formatter
Indent, minify and validate JSON.
Color converter
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Generate an invoice
Create a PDF invoice online.

Frequently asked questions

How do I convert a CSV to JSON?
Paste or upload your CSV, the tool turns it into structured JSON that you can copy or download. The reverse conversion, from JSON to CSV, is also possible.
Does the tool handle CSV column headers?
Yes, the first line of the CSV serves as the keys for the JSON objects. Each following line becomes an object, which keeps your data well structured.
Is my data uploaded to a server?
No, the conversion between CSV and JSON happens entirely in your browser. Your data stays on your device and never leaves your machine.
Is it free and sign-up free?
Yes, converting between CSV and JSON is free, with no ads and no account. You convert your files right away.