PDF Tools
Import lecture slides, textbooks, and research papers. Annotate with handwriting — then let AI extract the key points.
Natural handwriting with Apple Pencil or any stylus. Multiple highlighter colors, text annotations, shapes, stamps. Searchable and organized.

Structured summaries with key arguments and evidence. Perfect for processing dense textbook chapters before class.

Pressure-sensitive ink annotations.
Every annotation searchable across notebooks.
Summaries of key arguments and evidence.
Combine annotations into study pages.
Thumbnails, TOC, bookmarks.
Link annotations to your notebooks.
Any standard PDF — lecture slides, textbooks, research papers. PowerPoint, Word, and images also supported.
Yes. Write directly on PDFs with Apple Pencil or S Pen. All annotations searchable.
Yes. AI extracts key points, main arguments, and evidence from any imported PDF.
Yes. Every annotation is indexed and searchable across notebooks and PDFs.
Thumbnails, table of contents, bookmarks, and page search.
Import any PDF and turn it into study material.