No uploads · runs in browser
JSON ↔ CSV
Convert an array of objects to CSV, or CSV rows back into JSON.
Favorite it to find it fast on home
When to use it
Turn a CSV mailing list into a JSON array
Convert an API response to CSV for a spreadsheet
Handle values containing commas safely
How to use it
1Step 1Paste your text to start
2Step 2Press JSON → CSV and the result appears below
3Step 3Use the copy button to take the result anywhere
If the result looks off
The result looks cut off
Use the copy button to get the full result.
My input disappeared
It is saved on this device. Clearing browser storage removes it too.
Frequently asked questions
Will Korean or accented text break?
No, everything stays in the browser. When opening the CSV in a spreadsheet, import it as UTF-8.
Will non-English text break?
No, everything stays in the browser. When importing the CSV into a spreadsheet, choose UTF-8.