AI-powered study tool

Turn YouTube videos into
a printable study pack

Vocabulary · Summary · Timed transcript · Flashcards

Video Recap Understand the video, fast Study Pack Vocabulary + flashcards Generate with AI A study pack on any theme
Video Recap

A summary + full transcript in your language - to quickly understand what the video is about. No vocabulary or flashcards.

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Study Pack

Flashcards, vocabulary & CEFR levels - material to study the language in the video.

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No video? Generate a study pack with AI

Don't have a video in mind? Just pick a theme and a level. We generate a set of useful words - each CEFR-tagged with a definition and example - and save it to your library, ready to quiz and turn into flashcards.

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Add aftertape to your home screen - opens like a real app, works offline for your saved study packs

What you'll get

Each video produces printable flashcards in the format below - same layout as the downloadable PDF.

Serendipity
Front
The occurrence of pleasant or fortunate events by chance.
"It was pure serendipity that we met on that flight."
B2
Back
⬇ Download Example

A real flashcards PDF from Sir Ken Robinson's TED Talk · ready to print at home - included in every export

Science-backed study method

Why physical flashcards?

Research consistently shows that physical, handwritten or printed study materials outperform screens for long-term retention. Here is why serious learners still print.

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The generation effect

Physically handling cards - shuffling, sorting, flipping - activates motor memory alongside verbal memory. You remember words you touched.

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Zero distractions

No notifications. No autoplay. No algorithm. A stack of cards gives you focused, intentional study time that screens simply cannot replicate.

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Write on them

Add your own notes, synonyms, drawings or translations. A personalised card is 3× more memorable than a digital one you passively scroll past.

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Study anywhere

On the train. In a café. Waiting room. No battery. No Wi-Fi. Your vocabulary library travels in your pocket without needing a charger.

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Spaced repetition, manually

Sort into three piles: know it, almost, no idea. Review the "no idea" pile tomorrow. This ancient method still outperforms most algorithms.

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From video to paper

Aftertape bridges the gap. Watch the video. Generate the document. Print the cards. Study the vocabulary. One workflow, no copy-pasting required.

What learners tell us

Built for people who learn from YouTube

A few ways aftertape fits into real study routines, from students cramming for exams to teachers prepping lessons. (Illustrative scenarios; we'll feature real learner quotes here soon.)

The exam-cramming student

Watching three hours of biology lectures a week and remembering almost none of it. Paste the URL, print the flashcards for the commute, and quiz yourself in the dead minutes between classes, so vocabulary stops being the bottleneck before a midterm.

The English teacher

B1 and B2 students who watch TED Talks on their own. Instead of hand-tagging vocabulary by CEFR level for each homework set, drop the URL, get a 30-word list already tagged, share it with the class, and spend the lesson on actual conversation.

The Cambridge B2 candidate

Preparing for the Cambridge B2 First through YouTube: sports interviews, documentaries, whatever's interesting. The CEFR tag on each word is the key. Skip anything below B1, focus on the B2 and C1 words that will actually be tested.