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CSV to JSON Converter

Convert CSV data to JSON arrays with configurable delimiter options.

FreeNo loginBrowser basedPrivacy friendly
By MerQPrime Editorial TeamUpdated 2026-06-20Reviewed 2026-06-20Editorial policy
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Overview

About the CSV to JSON Converter

Turn spreadsheet exports and CSV files into JSON in one step. Paste your CSV data, choose delimiter and header options, and get clean JSON ready for APIs, scripts and databases.

Benefits

How it works

  1. 1Paste CSV text or upload a .csv file.
  2. 2Configure delimiter, quote character and whether the first row is a header.
  3. 3The JSON output is generated instantly in the output panel.
  4. 4Copy or download the JSON result.

Applications

Use cases

  • Import spreadsheet data into JavaScript applications and APIs.
  • Convert exported reports to JSON for testing and fixtures.
  • Migrate tabular data into document stores and NoSQL databases.
  • Prototype data pipelines without writing a custom parser.

Support

Frequently asked questions

Does the first row become JSON keys?
When header mode is enabled, the first row is used as property names for each object in the resulting JSON array.
Can I use semicolon delimiters?
Yes. You can configure the delimiter to match comma, semicolon, tab or other separators used in your file.
Is my data uploaded?
No. Conversion happens entirely in your browser.

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Related tools, guides & pages

CSV to JSON Converter (Instant & Free) | MerQPrime