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CSV to JSON Converter

Convert CSV or spreadsheet data into JSON. Free, private and instant.

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How to use the CSV to JSON Converter

  1. Paste or type your input into the box above.
  2. Choose any options you need. Results update as you type.
  3. Copy the result with the Copy button.

About this tool

Paste CSV and get a JSON array of objects using the first row as keys. Quoted fields and embedded commas are handled.

CSV to JSON Converter is part of ToolStack Hub's Developer Tools. It runs entirely in your browser, which keeps your data private and makes results instant. There is nothing to install, no account to create and no usage limit.

Frequently asked questions

Is the CSV to JSON Converter free?

Yes. CSV to JSON Converter is completely free with no sign-up, limits or watermarks.

Is my data private when I use the CSV to JSON Converter?

Yes. It runs in your browser, so your input is not uploaded to our servers.

Does it work on mobile?

Yes. ToolStack Hub tools work on phones, tablets and desktop browsers.

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