CSV to JSON Converter
Convert CSV data into clean, structured JSON in one click.
Three steps, no reading required.
Paste your input
Drop text, code, or data into the input pane — from an API response, a file, anywhere.
See it process
The result updates instantly as you type.
Copy the result
Grab the output with Copy or Download, or fix the error shown if the input is invalid.
Try it with a sample.
name,age,city Alice,30,London Bob,25,Berlin
Upload & hope
- Sends your input to a server to process it
- Asks for an account after a few free uses
- Limits input size on the free tier
Runs where you are
- Processes everything inside your browser tab
- No account, ever
- No artificial size limit
Questions worth answering upfront.
No. Conversion happens entirely in your browser. Your data is never uploaded or stored.
Yes. The header row is treated as the object keys, and each subsequent row becomes a JSON object.
Comma-separated values are supported by default, with common variants like semicolons and tabs handled where detected.
Yes. Every tool on DevUtilsNow is free to use with no account required.
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Guides that pair with this tool
How to Convert CSV to JSON
How CSV maps to JSON, the header and quoting rules that matter, and how to convert a CSV file into clean structured JSON.
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