Drop a PDF, record your lecture, paste a YouTube link. Duetoday handles every format and turns it into structured notes, flashcards, and quizzes.
PDFs, recordings, videos, or web links — Duetoday processes them all and generates the same structured study materials from every source.
Upload PDFs, Word files, PowerPoint decks, and plain text. Duetoday reads every page and generates structured notes, flashcards, and quizzes instantly.
Upload any lecture recording — MP3, M4A, WAV, or FLAC. Duetoday transcribes the audio and builds study materials from every word that was spoken.
Upload MP4, MOV, AVI, or MKV lecture recordings. The audio track is extracted, transcribed, and turned into notes and flashcards automatically.
Paste a YouTube link or any web page URL. No downloading, no converting — Duetoday fetches the content and generates study materials from it directly.
And if it isn't, we're adding more every month. Request a format and we'll prioritise it.
When your content is already in Duetoday — in any format — your AI tools work on it immediately. No reformatting, no copy-pasting, no setup.
You've got an MP4 from the university portal, a 60-page PDF textbook, and some PowerPoint slides. Different apps for each format. Hours spent copying content into flashcard tools and note apps manually.
Drop the MP4, upload the PDF, paste the YouTube review video URL. Duetoday processes all three and generates notes, flashcards, and quizzes from each one.
All your content. One place.
Whether you're studying from lecture recordings or dense academic papers — Duetoday has you covered.
Record your lecture on your phone or download the university recording. Upload the audio or video file and get a full transcript, structured notes, and a flashcard deck — in minutes.
Upload your textbook chapters, lecture slides, or journal papers. Duetoday reads every page — including scanned PDFs with OCR — and builds structured summaries and study materials from the content.
Real students. Real files. From lecture halls to library tables.
I record every lecture on my phone as M4A. I upload it to Duetoday as soon as I get home and have a full transcript and flashcard deck within five minutes. I don't take handwritten notes anymore.
My professors post 80-slide PowerPoint decks before every lecture. I upload the PPTX and Duetoday gives me a structured summary and quiz before the lecture even happens. Game-changer for preparation.
I have a huge stack of PDF readings every week. I used to skip half of them. Now I upload each PDF to Duetoday, get the key points in 30 seconds, and decide which ones to read in full. I actually keep up now.
Case judgments are often 40-page PDFs with dense legal language. Duetoday reads the whole thing and gives me a structured breakdown with the key principles highlighted. What used to take an hour takes 10 minutes.
My university posts lecture recordings as MP4 files. I upload them directly to Duetoday. It transcribes everything, and I can search the transcript and ask the AI tutor questions about specific parts of the lecture.
I was watching MIT OpenCourseWare lectures on YouTube to supplement my studies. I paste the YouTube URL into Duetoday and have structured notes and flashcards from the video in under a minute. It's incredible.
Free plan users can upload files up to 20MB. Pro users can upload files up to 500MB. A typical 400-page university textbook PDF is around 15–20MB. For large lecture video recordings, Pro is recommended.
Yes. Duetoday automatically applies OCR (optical character recognition) to scanned PDFs. Accuracy is slightly lower than digital text PDFs, but the vast majority of scanned academic documents process correctly, including handwritten lecture slides.
Yes. iPhone Voice Memos exports as M4A, which Duetoday fully supports. Android recordings are usually AAC or MP3. Both work. Just export the file from your phone and upload directly — no conversion needed.
Yes. Download the video from Blackboard, Canvas, Moodle, or any LMS as MP4 or MOV and upload to Duetoday. The audio track is extracted and transcribed automatically in the lecture's language.
YouTube transcription requires captions to be present — either auto-generated or manually added. Most educational YouTube content has auto-generated captions. If a video has no captions, download the audio with a tool like yt-dlp and upload it as an MP3 instead.
Yes. You can upload multiple files into Duetoday and your AI tutor can answer questions that span all of them. For example, upload your lecture PDF and the audio recording from the same day — Duetoday links the content and you can study from both at once.
Yes. Excel spreadsheets, Google Docs imports, EPUB ebooks, and image files (JPG, PNG with text) are on the roadmap. If you need a specific format urgently, contact support and we'll prioritise it.
Yes. Your files are stored securely and are never shared or used to train AI models. You can delete any uploaded file at any time from your account settings. All files are encrypted at rest and in transit.
Turn any content into notes, flashcards, quizzes and more — free.