CSV → JSON
Convert CSV to JSON
Convert CSV (.csv) to JSON (.json) right in your browser. Free and unlimited. Your files never leave your device.
Drop a file, or click to browse
Drop a file anywhere, click to browse, or paste an image. Files never leave your device.
Need the other direction? JSON → CSV
Feeding spreadsheet data to code
CSV is how data leaves a spreadsheet; JSON is how it goes into an API, a JavaScript app or most modern tooling. Converting between the two is one of the most common small chores in data work.
Morphr reads your CSV and turns each row into a JSON object, taking the keys from the header row, then wraps the lot in an array. The result is ready to paste into code or post to an endpoint.
Good to know
- The first row is treated as column names, so make sure it’s a real header.
- Your data is never sent anywhere — the conversion happens in the browser.
The private way to turn CSV into JSON
With Morphr, the whole conversion runs inside your browser tab using Morphr's own engine, so your file is never uploaded to a server, queued, or stored. That makes it a safe choice for personal photos, scanned documents and anything you'd rather not hand to a third party.
New to these formats? Read the guides on CSV and JSON.
Frequently asked questions
- How do I convert CSV to JSON?
- Drop your CSV file onto the converter above (or click to browse), and Morphr converts it to JSON right in your browser. When it's done, click download — there's nothing to install and no account to create.
- Will I lose any data converting to JSON?
- No — every row and value is preserved exactly; only the file format changes.
- Are my files uploaded to a server?
- No. The conversion runs entirely in your browser, so your CSV file never leaves your device.