CSV/TSV (public): File → Share → Publish to the web → select your tab → CSV → copy link. JSON (private): Use the Apps Script snippet above, deploy as web app (Anyone with link), paste URL here.
Keeps one shared set of cards and review stats across devices. Change cards in your Google Sheet; your progress auto-saves after each answer.
Data auto-saves (Local Storage). Importing the same item updates text/tags and keeps stats.
| Front (prompt) | Back (answer) | Tags (comma/space) | Actions |
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Edits need Save per row. Delete is immediate. Use Refresh after imports/sync.