Upload a video, choose the part you want, pick a frame rate, and reverse it. Then open the Penny Checker when your coin-hunting side quest begins.
This runs in your browser. Short videos work best. This simple version reverses the picture part of the video.
Upload a video to begin.
Take or upload a picture of your penny book. The site tries to read visible dates and tells you what pennies you probably still need. Best photo trick: flat book, bright light, not blurry.
If a date is visible in an empty slot, it should appear here.
These did not show up in the scan, so the website guesses you already have them.
Checked means you have it. This saves on your device/browser.