Legal · Privacy
Your flashcards stay on your device.
No accounts. No servers. No tracking. Ever.
The short version
storage (local only)MemoDeck is a Chrome browser extension — an offline flashcard generator and spaced repetition study tool. It lets you create decks of flashcards, study them using a proven spaced repetition algorithm (Hard / Medium / Easy ratings), track your learning streaks, and view mastery statistics per deck. All data is stored locally on your device.
This Privacy Policy explains exactly how the extension handles your information. The short answer: it doesn't handle your information externally at all — everything stays on your device.
MemoDeck does not collect any personal data. Below is a complete inventory of what we do and do not collect:
| Data Type | Examples | Collected? |
|---|---|---|
| identity | Name, email, phone, address | Never |
| auth | Passwords, credentials, PINs | Never |
| financial | Card numbers, transactions | Never |
| location | IP address, GPS, region | Never |
| browsing_history | URLs visited, page titles | Never |
| keystrokes | What you type anywhere | Never |
| communications | Emails, messages, chats | Never |
| health | Medical history, symptoms | Never |
| flashcard_data | Decks, cards, study progress (local) | Local only |
The only data that exists is stored locally on your device using Chrome's built-in chrome.storage.local API. This data never leaves your browser.
| Key | What it contains | Location |
|---|---|---|
| decks | Deck names, descriptions, colour assignments | Device |
| cards | Card front text, back text, deck association | Device |
| schedule | Next review date and interval per card | Device |
| ratings | Hard / Medium / Easy ratings per session | Device |
| statistics | Streak count, mastery %, session history | Device |
| settings | Dark / light mode preference | Device |
You can delete all this data at any time: open MemoDeck → Settings → Import / Export, or uninstall the extension to remove everything permanently.
MemoDeck requests only one permission:
Used exclusively to save your flashcard decks, cards, spaced repetition schedule, study statistics, and theme preference to chrome.storage.local on your own device. No data leaves your device. This is the minimum permission required for any study tool to persist data between browser sessions.
tabs, activeTab, history, bookmarks, scripting, notifications, alarms, or any host permissions. We deliberately use the absolute minimum required.
MemoDeck has zero third-party involvement of any kind.
MemoDeck does not load or execute any remote code. Every line of JavaScript is included in the extension package installed from the Chrome Web Store. We do not use external <script> tags, dynamic eval(), or WebAssembly from external sources.
MemoDeck is a study tool suitable for users of all ages, including school and university students. Since the extension collects no personal data from any user whatsoever, it poses no specific privacy risk to minors. We comply fully with COPPA and equivalent regulations.
If we make material changes to this policy, we will update the "Last updated" date at the top and publish the updated version at this same URL. Since MemoDeck collects no data and has no user accounts, we have no way to notify users by email.
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