BULK CONVERSION · LOCAL CSV
Convert a whole list at once.
Paste up to 500 values, choose units, then export a clean CSV. All values remain on your device.
Up to 500 values; CSV first column accepted, including quoted thousands separators. Nothing is uploaded. Invalid rows are reported individually.
Your numbers never leave the browser.
Built for repeatable tasks
Use one unit pair for a whole collection. Copy spreadsheet values into the text box and export a comma-separated file ready for Excel or Google Sheets.
Private by design
The conversion code runs in your browser. This site does not upload the values you paste or require account creation.