Convert CSV to JSON
Turn Comma-separated values files (.csv) into JavaScript Object Notation (.json) in seconds. Drop one file or a whole batch: the conversion happens right in your browser, with no sign-up, no watermark and no upload.
JSON to CSV insteadHow to convert CSV to JSON
- 1Drop your CSV files into the box above, or click to choose them.
- 2JSON is already selected. Adjust the options if you like.
- 3Click Convert and download your JSON files.
Good to know
- Column types such as numbers and true/false values are detected, and you can set the delimiter and header row.
Frequently asked questions
Is converting CSV to JSON free?
Yes. There is no sign-up, no watermark and no limit on the number of files.
Are my files uploaded?
No. Everything runs in your browser, so your files are never uploaded to a server. That also makes it fast, because nothing has to travel over the network.
Will I lose quality converting CSV to JSON?
No noticeable loss: the conversion keeps the content of your CSV file intact.
Can I convert several files at once?
Yes. Drop as many CSV files as you like. They are converted one after another and you can download them individually or as a ZIP.
Is there a file size limit?
There is no fixed limit. Very large files depend on your device's memory, since the conversion runs locally.
What is CSV?
CSV is a simple text format for tables that every spreadsheet and database can import.
What is JSON?
JSON is the standard data format of the web and APIs, able to hold nested objects and lists.