1
Paste your data on the leftCSV looks like rows of values separated by commas. JSON looks like {"key": "value"}. The tool detects which one you pasted.
2
Pick a direction if neededUse the "CSV → JSON" or "JSON → CSV" buttons to set which way to convert. Usually auto-detected.
3
Get your resultThe right panel shows the converted output. Hit "Copy" or "Download" to save it.
4
Different separator?If your CSV uses semicolons or tabs instead of commas, change the "delimiter" dropdown before converting.
Nothing leaves your browser. Your data is never sent anywhere.