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Turn scanned history pages into OCR flashcards

Photograph a textbook page, upload your lecture slides or paste your notes. DeckOwl reads the text and builds flashcards you can review with spaced repetition.

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Why scanned history sources need a different approach

Textbook chapters, archival handouts and lecture slides rarely come as clean text, so a history OCR flashcards workflow starts with getting the words off the page. Once the text is recognized, the useful part is turning dates, treaties, causes and people into question-and-answer pairs you can quiz yourself on.

Photos of printed pages are read with text recognition before cards are made.
PDF, DOCX, PPTX, plain text and image files all feed the same deck.
Cards are reviewed with spaced repetition, so harder items return more often.
Free plan: 3 generations per month, studying in the browser, no exports.

Example history flashcards (Western and world history)

What was the main purpose of the Treaty of Versailles?It formally ended World War I between Germany and the Allied powers, signed in 1919.

Which 1215 document limited the power of the English king?Magna Carta, sealed by King John at Runnymede, because it restricted royal authority and affirmed legal rights for barons.

What was the Columbian Exchange?The transfer of plants, animals, diseases and people between the Americas and the Eastern Hemisphere after 1492, which reshaped diets and populations on both sides.

What did the Marshall Plan provide after World War II?American economic aid to Western European countries, launched in 1948, to help rebuild industry and trade.

What did the Edict of Nantes grant in 1598?Legal rights for French Protestants (Huguenots) to worship and hold civil office, issued by Henry IV to end the Wars of Religion.

Generate the full set

Reads photos of pages

Snap a textbook or handout and the text is pulled out with text recognition, so scanned history readings work as a source.

Mixed source material

Combine PDFs, DOCX files, PPTX slides and typed notes from the same unit into one deck of history flashcards.

Spaced repetition built in

Cards you miss come back sooner and cards you know fade out, so dates, causes and names stick over the term.

How it works

Upload your source

Add a photo, scan, PDF, slide deck or pasted notes from your history class.

Check the cards

Review the flashcards generated from the text and edit any that picked up a stray word from the scan.

Study with spaced repetition

Work through the deck in the browser on the free plan, and let the schedule bring back the cards you find hardest.

Good history cards test relationships, not just isolated facts. A card that asks why a treaty failed teaches more than one that asks for the year, so review the generated cards and reword any that only test a date. Spaced repetition then keeps the timeline and the causal chains in memory until the exam.

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Frequently asked questions

How many flashcards should I make for a history exam?

Start with one card per date, person, or cause in each chapter, then trim duplicates. A chapter usually needs more cards about causes and consequences than about names and dates.

Does the OCR work on handwritten history notes?

Text recognition works best on printed pages and clear photos. Handwritten notes may need a quick correction in the card review step before studying.

Can I export history flashcards to Anki?

Yes, Anki export is included on the Plus plan, which costs $99.90/year or $9.99/month. The free plan lets you study the cards in the browser with no exports.

Do I need a credit card to try it?

No. You can start on the free plan without a credit card and make 3 generations per month.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.