Learn anything, easily.
Upload your notes, slides, PDFs or links. Testudy turns them into a course you can actually finish — with flashcards, quizzes and answers that point back to your own material.
You'll get: A study plan paced to your date, with flashcards and quizzes from your own notes.
Free to start: enough each month to turn your own files into something you can finish. Paid plans give you more room. What it costs
Three steps
Upload anything
Notes, slides, PDFs, links, recordings
- Say in one sentence what you want to be able to do
- Drop in what you have — messy is fine
- Or start from one of the common goals
Get the insights
The key ideas, explained simply
- Each idea linked to the page it came from
- Ask anything and get the answer with its source
- Where your material is silent, it says so
Learn it your way
A course, flashcards, quizzes, or audio
- A short course you can actually finish
- Practice after every step, with feedback
- It comes back before you forget it
See it in two minutes
Upload, get the insights, start learning — in a short walkthrough.
Prefer watching on YouTube? Open the full video.
Everything you need to actually learn it
Built from your own material, backed by how memory works.
Upload anything
Notes, slides, PDFs, links, recordings. Testudy reads it and builds the course around it.
Practice that sticks
Quizzes, flashcards and exercises made from your material, with feedback on every answer.
It comes back before you forget
What you learned returns for a quick review at the right moment, so it stays.
See what you've mastered
A clear picture of what you know, what you're learning and what's next.
Listen on the go
Turn any lesson into audio for the commute or the walk.
In your language
Learn in English, Arabic, French, Spanish or German. Your material can be in any language.
Free tools · 16 skills
Free AI skills for the work you actually do
Named, chainable skills for learning and training work — scope a vague request, get knowledge out of an expert's head, plan what to learn next. Copy one into ChatGPT, Claude, or Gemini and use it today, or have it tailored to your situation.
Free. No email, no account. Copy one, or take the whole set.
From your material to a course in minutes
Drop in your notes, slides, PDFs or links and say what you want to be able to do. Testudy builds a short course from what you gave it, with the key ideas explained simply and each one linked to the page it came from.
- Built from your own material, not the internet
- Pitched at your level
- Every idea links back to its page
Practice until it clicks
Every lesson comes with quizzes, flashcards and exercises made from your material — with feedback on every answer, so you know where you stand.
- Feedback on every answer
- Comes back before you forget it
- Several question types
What is the primary benefit of spaced repetition?
See exactly what you've mastered
A clear picture of what you know, what you're still learning, and what to do next.
- What you know, at a glance
- A score per topic
- Smart suggestions for what to review
What others are learning
Browse courses people have made public, and get ideas for your own.
Ready to learn something?
Upload what you have and see the first result in minutes. No account needed to try it.
✨ Free to start. No credit card required.