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Data tool

CSV to JSON

Convert CSV rows into a JSON array of objects.

Runs on-deviceNo sign-upFree

CSV to JSON workspace

Workspace

CSV to JSON

Runs locally
5 lines

Or load a CSV / TSV file

or · local only

Handles quoted fields

Commas, tabs and pipes are detected automatically. Download the result as a file or copy it straight into your app.

Result

The guide

By the utils.sbs team · Reviewed November 2026 · How we build and review tools

Quick answer

CSV to JSON is a free browser-based data tool. Convert CSV rows into a JSON array of objects. It runs with JavaScript locally, requires no account and does not upload your files. Open the page, add your input, adjust any options and download the result.

What is CSV to JSON?

CSV to JSON is a free browser-based data tool from utils.sbs. Convert CSV rows into a JSON array of objects. It is built for quick, focused jobs: open the page, add your input, adjust the options and take the result with you. No account, install or server upload is required.

At a glance

CategoryData
InputCSV, TSV, JSON or plain text
OutputA CSV, TSV, JSON or plain-text file
EngineJavaScript
ProcessingIn your browser
PriceFree
AccountNot required

How CSV to JSON works

The input is parsed with JavaScript and transformed in memory. No server round-trip is needed.

How to use CSV to JSON

  1. 1Open CSV to JSON and add your input.
  2. 2Adjust the options: delimiter, pretty-print json.
  3. 3Run the tool, check the preview or result, and download the output.

When to use CSV to JSON

  • Clean up a CSV before importing it into another tool.
  • Convert between tabular formats such as CSV, TSV and JSON.
  • Inspect or reshape a dataset without a spreadsheet app.

Inputs and options

Delimiter
Choose one of 5 options.
Pretty-print JSON
Toggle this option on or off.

Limitations

Malformed CSV, unusual delimiters or inconsistent columns may need cleanup before processing.

Privacy and accuracy

CSV to JSON processes its input in the browser whenever the platform API allows it. Files and values are not uploaded to a server for processing, and the tool does not require an account. For calculations, use the result as a reference and verify important decisions against the source formula or a qualified professional. Read our methodology.

FAQ

CSV to JSON questions

  • What can I do with CSV to JSON?

    Convert CSV rows into a JSON array of objects. CSV to JSON is part of the Data shelf on utils.sbs and is designed for quick, one-off tasks.

  • Is CSV to JSON free to use?

    Yes. CSV to JSON is free, requires no account, and has no per-file or per-use charge.

  • Are my files uploaded when I use CSV to JSON?

    No. CSV to JSON is designed to process your input locally in the browser. Files are not uploaded to a server for processing.

  • What formats does CSV to JSON support?

    It works with CSV, TSV, JSON and plain-text tables, and returns a downloadable data file.

  • Can I use CSV to JSON on my phone?

    Yes. CSV to JSON is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.

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