Free developer utility

CSV to JSON Converter

Paste CSV with headers to convert rows into clean JSON objects. The converter runs locally in your browser, so exports, catalog data, and API prep work are not uploaded to a server.

    When to use this CSV to JSON converter

    Use it when spreadsheet exports, marketplace feeds, analytics data, or product lists need to become JSON for an API, script, no-code workflow, or documentation example.

    CSV parsing behavior

    Related tools

    JSON to CSV Converter, JSON Formatter, Text Cleaner, Word Counter, and All Tools Index.

    FAQ

    Does this CSV to JSON converter upload my data?

    No. CSV parsing and JSON conversion run in your browser.

    Does it support quoted commas?

    Yes. Fields wrapped in double quotes can contain commas and escaped quotes.

    What if my CSV has duplicate headers?

    Duplicate headers are made unique by adding suffixes such as _2 and _3.