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Turn your revised notes into fresh Anki flashcards

When your course material changes, regenerate flashcards from the new version instead of rewriting cards by hand.

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Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

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Keeping your Anki deck current when the material changes

When a lecture slide changes or a chapter gets revised, the cards you wrote last month can quietly go out of date. DeckOwl helps you create updated Anki flashcards from the new version of your material, so you are not retyping every card by hand.

Upload a new version of a PDF, DOCX, PPTX, or set of notes.
Photos of printed pages are read with text recognition.
Compare new cards with your existing deck before you export.
Anki export is available on Plus, starting at $39/year or $7.99/month.

Example anatomy flashcards (general topic used here)

Which chamber of the heart pumps blood into the aorta?The left ventricle, which pushes oxygenated blood out to the body through the aorta.

What is the natural pacemaker of the heart?The sinoatrial node, which generates electrical impulses that set the heart rhythm.

Which cranial nerve controls the muscles of facial expression?The facial nerve, cranial nerve VII.

What is the difference between a muscle's origin and insertion?The origin is the fixed attachment point, and the insertion is the point that moves when the muscle contracts.

What structure separates the thoracic and abdominal cavities?The diaphragm, the dome-shaped muscle that drives breathing.

Generate the full set

Regenerate from revised material

Upload the updated PDF, slides, DOCX, PPTX, notes or a photo of a page and get a fresh set of flashcards.

Spaced repetition built in

Cards you review come back on a schedule, so new material is practiced alongside what you already know.

Export to Anki on Plus

Plus exports your generated cards to Anki, while the free plan keeps studying in the browser.

How it works

Upload the revised file

Add the updated slides, notes or PDF, or a photo of the page.

Generate new cards

DeckOwl reads the text and creates flashcards from the sections that changed.

Export to Anki

On Plus, export the cards to Anki and import them into your deck.

Generate from the revised file, then compare the new cards against your existing deck and keep the ones that still fit. Cards from the changed sections deserve the closest check, since they reflect what your course now teaches.

Quizzes and mind maps can be generated from the same file when you want a different angle on the updated content. The free plan includes 3 generations a month so you can test the workflow before choosing Plus.

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Frequently asked questions

How often should I update my flashcards for a changing course?

Refresh them whenever the source material changes, such as a new lecture set or a revised chapter. Reviewing the changed cards first keeps your practice aligned with what is currently taught.

How do I keep flashcards from going out of date?

Regenerate cards from each new version of the file and retire the ones that no longer match. Spaced repetition then focuses your reviews on the material you still find difficult.

Can I export updated cards to Anki?

Yes, export to Anki is included in Plus, which costs $39/year or $7.99/month. Students get 40% off with a school email.

Is there a way to try it before paying?

The free plan includes 3 generations per month and studying in the browser, with no credit card needed to start. Exports are not included on the free plan.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.