Convert CSV to JSON
Convert CSV to JSON online, free โ no installation, no sign-up.
or drop files here to convert CSV โ JSON
Max file size 1 GB. Browser-side conversions have no upload limit.
How to convert CSV to JSON
Add your file
Drop your CSV file above or click Choose Files.
Convert
Your file is converted instantly in your browser โ it never gets uploaded.
Download
Grab your new JSON file โ done.
What is CSV?
CSV (Comma-Separated Values) is a plain-text table format read by every spreadsheet and database tool.
What is JSON?
JSON is a lightweight, human-readable data-interchange format used across the web.
Frequently asked questions
Drop your CSV file into the box above (or click Choose Files), then click Convert and download your new JSON file. No account or software needed.
Yes โ this converter is completely free with no watermarks and no sign-up.
Absolutely. This conversion runs entirely inside your browser, so your CSV file never leaves your device.
You control the output. Use the advanced options (the gear icon) to set quality, and we preserve as much fidelity as the JSON format allows.