Install the Chrome extension
Takes about a minute. Use Google Chrome on a computer.
Extension is installed. You're all set.
Download
Open the downloaded file. A folder
Download extensionfitstamp-extensionappears. Keep it, don't delete it.Open Chrome extensions
Copy this address, paste it into the address bar and press Enter:
chrome://extensionsTurn on Developer mode
Switch in the top right corner of that page.
Load unpacked
Click Load unpacked (top left) and choose the
fitstamp-extensionfolder.Pin it
Click the puzzle icon next to the address bar and pin FitStamp. Then come back to this page to check.
Update: download again, replace the folder, then click the reload arrow on FitStamp in chrome://extensions.