Marginal

Notebook RAG for people who write in the margins

Ask your sources
anything.

get an answer, and the exact page it came from ↴

Drop in PDFs, websites, YouTube videos, or lecture subtitles. Marginal reads them, answers your questions in a handwritten-feeling chat, and links every claim back to the exact page or timestamp — so you can check it yourself in seconds.

Ask & cite

Every answer links back to the page or timestamp it came from — click to see it highlighted in place.

Real citations

PDF citations render the actual page and glow the exact cited passage, not just a download link.

Handwritten chat

Toggle ruled, grid, dotted, or parchment paper, plus fountain, ballpoint, or pencil ink.

Study tools, saved

Roadmaps, podcasts, and quizzes generate once and stay saved to the notebook — no re-generating.

How it works

Step 1

Add sources

PDFs, websites, YouTube links, or subtitle files.

Step 2

Ask a question

Chat naturally, in whichever paper style you like.

Step 3

Get a cited answer

Click any citation to see the exact passage, highlighted.

Bring your own reading list.

Free to start. Your notebooks, sources, and generated study material stay right where you left them.

Create your first notebook

also does podcasts, roadmaps, and flashcards