Built for the way students actually work

By students,For students.

One workspace. Chat, PDFs, diagrams, writing — all grounded in your coursework.

No credit card · Free for your first class

trusted by

students at top
U.S. universities

Harvard UniversityHarvard
Stanford UniversityStanford
Massachusetts Institute of TechnologyMIT
Princeton UniversityPrinceton
Yale UniversityYale
Cornell UniversityCornell
Duke UniversityDuke
Dartmouth CollegeDartmouth
University of ChicagoU Chicago
University of PennsylvaniaUPenn

what's inside

Tools a generic chat app won't give you.

  • Chat workspace

    Chat, PDFs, drawings — open at once.

  • Class memory

    Answers grounded in your syllabus.

  • Writing voice

    Rewrites that sound like you.

  • Diagram canvas

    Sketch it — the model reads it.

  • Safe uploads

    Hidden prompt injections stripped.

watch it work

Stiff prose in. Natural voice out.

Every rewrite shows exactly what changed — and why.

rewriter://discussion-post

input

In this essay, I will argue that the Peace of Westphalia represents a fundamental rupture in the history of sovereignty.

output // diff

In this essay, I will argue thatthe short version is the Peace of Westphalia represents1648 treaty was a fundamental rupturetidy ratification in the history ofof practices already in sovereignty.

removed   replaced1 / 2

the core move

Ask about your PDF. Watch the answer point back.

Every grounded response carries citation chips. Click one — the PDF pane scrolls and flashes the exact passage.

  • Click-to-flash citations across PDF, notes, and drawings
  • Highlight text → scoped mini composer
  • @syllabus, @lecture-3, @rubric — typed context

demo clip goes here

drop a .mp4 at /demo.mp4

the highlights

Sixteen reasons it beats a tab stack.

Voice fingerprint from past essays

Click-to-flash citations

One upload → briefing + quiz + flashcards

Rewrite diff shows every change

@syllabus, @lecture-3, @rubric mentions

Socratic mode when you want to learn

Split PDF + chat + draw in one view

Hidden prompt-injections stripped

Lecture recordings → Cornell notes

Per-class rubric voice

Starter questions from your syllabus

Spatial canvas for each class

Per-sentence rewrite alternatives

Task-specific entry points

⌘K jumps anywhere, instantly

Highlighted text → scoped question

Voice fingerprint from past essays

Click-to-flash citations

One upload → briefing + quiz + flashcards

Rewrite diff shows every change

@syllabus, @lecture-3, @rubric mentions

Socratic mode when you want to learn

Split PDF + chat + draw in one view

Hidden prompt-injections stripped

Lecture recordings → Cornell notes

Per-class rubric voice

Starter questions from your syllabus

Spatial canvas for each class

Per-sentence rewrite alternatives

Task-specific entry points

⌘K jumps anywhere, instantly

Highlighted text → scoped question

from the desks of

Students in beta.

Replaced three tabs with one app. I'm not going back.

Maya K.
Sophomore · Biochem

The rewrite diff shows exactly what changed. I decide what to keep.

Jordan T.
Junior · History

Upload a syllabus and it actually uses it. Every answer links back.

Sam P.
First-year · Math

one more thing

Free while you're getting started.

One class free forever. Upgrade when you're running your whole course load through it.