Depder
Open app PDF to flashcards
Turn lecture notes, revision sheets or a course PDF into AI-generated questions and answers. Check the cards against your material before saving.
Choose your PDF
- Upload one file up to 10 MB. PNG and JPEG screenshots also work.
- Focus the material. A clear section on one topic makes the generated cards easier to check and study.
Generate and check
- Choose Automatic or set a card target within your plan limit.
- Compare every answer with your notes. AI can make mistakes; source references are generated, not independently verified.
- Edit or delete draft cards before saving. Saved decks are read-only.
Save a deck and study
- Recall the answer before revealing it, then choose Don’t know, Hard or Know it.
- Return for scheduled reviews. Harder cards return sooner.
- Keep topics organized in folders, or export an AI-generated deck for Anki with Pro.
How many flashcards can I make?
Free includes 3 generation attempts per UTC day and up to 20 cards per generation. Pro includes 20 attempts and up to 100 cards. These are maximums: short material may produce fewer cards. See the Free and Pro comparison.
Can I use a screenshot instead?
Yes. Upload a PNG or JPEG up to 10 MB using the same flow. Use a clear, readable image of the material you want to study.
What language will the cards use?
Generation is instructed to follow the source material’s language. Check the result before saving. The app interface supports English and German.