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Developer Tools

Convert CSV to JSON

Parse CSV files into clean JSON objects with RFC 4180 compliance for quotes and embedded commas.

  • 100% free
  • Files stay on your device
  • No sign-up, no watermark
Developer conversion

CSV to JSON Converter

Parse CSV locally and produce formatted JSON.

// Your converted JSON will appear here.

Runs in your browser

The conversion UI uses browser APIs and does not require a developer account or server-side API.

Readable JSON

Output is formatted with two-space indentation so it is easier to inspect and edit.

No fake promises

Supported syntax and edge cases depend on the parser used by each conversion tool.

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Convert XML to JSON
Convert XML documents into structured JSON objects using the native browser DOM parser.

What is CSV to JSON converter?

Turn spreadsheet exports and data tables into formatted JSON arrays. Automatically infers data types (casting numeric strings to numbers and "true/false" to booleans) with customizable delimiter settings.

How to use CSV to JSON converter

  1. 1

    Add your file or input

    Choose a supported file, drag it onto the upload area, or type/paste the data this tool works with.

  2. 2

    Adjust the options

    Pick the output format, quality, size or other settings the tool offers. Defaults work well for most files.

  3. 3

    Process and download

    Run the tool and save the result. Processing happens in your browser, so nothing is uploaded to a server.

Frequently asked questions

Does the converter automatically parse numbers and booleans?

Yes. You can toggle auto-type inference to convert values like "42" into numeric 42 and "true" into boolean true, or preserve everything as raw strings.

Are custom delimiters like semicolons (;) or tabs (TSV) supported?

Yes. You can specify standard commas, semicolons (common in European Excel exports), tabs, or pipe (|) delimiters.

How does it handle quotation marks and commas within cells?

It strictly adheres to RFC 4180 CSV standards, parsing escaped quotes ("") and commas enclosed within quotation marks correctly.

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