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Turn your HTML notes into flashcards with AI

Upload a PDF, slides, notes or a photo of a page and get flashcards for tags, attributes and layout, with spaced repetition built in.

Create flashcards nowFree · No credit card required

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

Free account · 3 sets a month · Creates flashcards in seconds

What DeckOwl is, and what it is not

DeckOwl is an online study tool, not a standalone .html file you download and open. What it does is turn your own HTML course material into an HTML flashcard app of sorts, with cards you review in the browser.

Flashcards built from your own HTML slides, notes or PDFs
Spaced repetition that schedules reviews for you
Browser study on the free plan, with 3 generations per month
Plus adds unlimited generations and PDF, DOCX, Anki and CSV export

Example HTML flashcards for beginners

What does the href attribute do on an a element?It sets the URL the link points to.

What is the difference between a div and a span?A div is a block-level container and a span is an inline container, and both are used to group content for styling.

What does the declaration <!DOCTYPE html> do?It tells the browser to render the page in standards mode.

What is the alt attribute on an img element for?It describes the image for screen readers and displays if the image fails to load.

Why do pages include meta name viewport?It controls how the page scales on mobile screens.

Generate the full set

Cards from your own material

Upload a PDF, DOCX, PPTX, text notes or a photo of a page, and DeckOwl reads the text and writes question-and-answer cards from it.

Spaced repetition

Cards come back at growing intervals so you review HTML elements right before you are likely to forget them.

Study in the browser

Practice on any device with a browser. Free accounts can study online, and paid plans add exports to PDF, DOCX, Anki and CSV.

How it works

Upload your HTML notes

Add a PDF, slides, a document or a photo of your lecture page. No credit card is needed to start.

Generate flashcards

DeckOwl builds cards for elements, attributes and concepts, so you can review them in one place.

Review on a schedule

Study each day in the browser and let spaced repetition bring back the cards you miss.

Good HTML cards are short: one element, one attribute or one rule per card. Upload the slides or notes you already have, check the cards that come back, and remove any that are unclear before you start reviewing.

Spaced repetition does most of the remembering work, so you spend less time rereading and more time practicing the tags and attributes you keep missing.

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Turn PDFs, slides, notes and photos into spaced repetition flashcards. Free to start.

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Frequently asked questions

How many flashcards should I make for learning HTML?

Start with 20 to 40 cards covering one topic, such as forms or semantic tags, so each set stays manageable. Add more as you finish each section of your course.

What HTML topics work best as flashcards?

Element names, required attributes, and the purpose of tags like head, meta and img alt text work well as short question-and-answer pairs.

Can I export my HTML flashcards?

Yes, on the Plus plan, which costs $99.90/year or $9.99/month, you can export to PDF, DOCX, Anki and CSV. The free plan lets you study in the browser without exports.

Is there a free plan?

Yes. The free plan includes 3 generations per month and browser study, and no credit card is needed to start.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.