🪙 Coin Catalog
Photograph or upload coins — AI identifies, grades, and values each one
How to connect Google Sheets:
- Go to sheets.google.com and create a new spreadsheet
- Click Extensions → Apps Script
- Delete the existing code, paste the script below, click Save
- Click Deploy → New deployment
- Type = Web app, execute as = Me, access = Anyone
- Click Deploy, authorize, copy the Web App URL
- Paste that URL into the field above and click Save
Show Apps Script code
Tip: hold coin flat and steady in good light for best grading accuracy
📋 Photos to catalog
Tap photos to select them. Select front & back of the same coin, then tap Group as one coin before analyzing.