AI-powered study tool

Turn YouTube videos into
a printable study pack

Vocabulary · Summary · Timed transcript · Flashcards · Quizzes

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.

⚙ Options
Study Pack

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

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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

No video? Generate a study pack with AI

Pick a theme and a level. We generate a set of useful words - each CEFR-tagged with a definition and example - ready to quiz and turn into flashcards.

A free account is needed to generate a pack - create one or sign in. It is kept in your library.

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Why aftertape exists

Watching a video feels like learning. You follow the argument, the words make sense, and you close the tab satisfied. Three days later almost none of it is left. Nothing went wrong: watching is input, and input alone does not become knowledge. What turns it into knowledge is what you do next, and that step is usually missing because it is tedious.

aftertape is that step. It takes the text of what you watched and gives it back as something you can study: the vocabulary that carries the meaning, tagged by level so you skip what you already know, a summary you can reread in a minute, and the full transcript underneath when you want the exact words again.

It is most useful on a subject you are new to. A video on a topic you have never studied is dense with terms you half-understand from context. Those terms are exactly what you need, and exactly what you forget first. Collected in one place, they stop being a video you watched once and become a subject you are building up: the words stay in your library, the video stays in your history, and you can come back and quiz yourself a week later.

That is the whole idea. Not to replace watching, and not to read for you, but to make sure the hours you already spend leave something behind.

Add aftertape to your home screen and it opens like a real app, one tap away.

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.

How people use it

Built for people who learn from YouTube

Three routines aftertape was designed around.

Student

Hours of recorded lectures, most of it forgotten by the exam. Paste the link, print the flashcards, quiz between classes.

English teacher

Tagging vocabulary by CEFR level by hand for every homework set takes an evening. A TED Talk link returns a tagged word list for the class in seconds.

Exam candidate

Preparing for the Cambridge B2 from YouTube. The CEFR tag shows which words are worth memorising, so the easy ones can be skipped.