Spaced-repetition flashcards you didn't have to write
Winda writes flashcards from your PDFs, articles, and videos, then schedules each one so it comes back just before you would have forgotten it.
Spaced repetition, without building the deck yourself
Written from your own material
Point Winda at a PDF, an article, a video, or a slide deck and it drafts cards from what is in it. Nothing to upload? Describe the topic and it writes from that instead.
Make a card without stopping
Select a sentence while you read — in the reader, in a PDF, in a chat reply, or on any page with the extension — and turn it into a card without leaving what you were doing.
Each card gets its own date
Answer from memory, then say whether you knew it. Cards you knew come back at longer and longer gaps; the ones you missed come back while they still need the work.
Your cards, your decks
Edit any card, write your own from scratch, sort them into decks, and share a deck publicly when it is worth passing on.
How it works
Bring the material
Upload a PDF, paste a link, drop in a YouTube video, or select a sentence while you read.
Keep the cards worth keeping
Winda drafts them one at a time while you watch. Keep the good ones, edit the near misses, drop the rest.
Clear the day's queue
Winda shows you what is due. A few minutes a day is the whole habit — there is nothing to schedule yourself.
Where recall beats rereading
Use flashcards when the material has to still be there weeks later.
Certification exams
Definitions, formulas, and distinctions from an official curriculum, held from the first reading through to exam day.
Coursework and lectures
Turn slides, course readings, and your own notes into cards you actually return to, instead of highlighting the same page again.
Language learning
Vocabulary and phrases from what you are already reading, so a word arrives with the sentence it came from.
Work you have to know cold
Terms, systems, and workflows from onboarding docs and specs — anything you are expected to recall without looking it up.
Frequently asked questions
Web articles, YouTube videos, PDFs, Word documents, slide decks, images, and your own text. You can also skip the material entirely and describe a topic, and Winda will write cards from that.
Make today's reading stick
Bring one PDF and let Winda write the first few cards. It takes about a minute.
Try for free