STYLUS-FIRST WEB CANVAS & PDF WORKSPACE

Write, derive, and annotate.
With native tablet precision.

Stylus is a high-performance digital canvas built for students, teachers, and researchers. It pairs 240Hz pressure-sensitive inking and hardware palm rejection with Canva-style modular notes, native KaTeX LaTeX equations, and a split-view PDF reader.

100% Client-Side Local-First Storage Zero Telemetry / No AI Slop

Engineered to Excel

How Stylus compares to traditional tools

Capability Traditional Note Apps Cloud Whiteboards Stylus by Xicae
Stylus Inking Fidelity Fixed pages only No true pressure or tilt 240Hz Coalesced + perfect-freehand
Palm Rejection OS-dependent Frequent accidental smudges Strict hardware pointer separation
Academic Formulas Paid subscription OCR Not supported natively Client-side KaTeX LaTeX blocks
Object Duplication Clunky copy/paste menus Standard Alt-drag Instant Ctrl+D & Alt-drag duplication
Academic PDF Reader Locked to full screen Static image conversion Split-view dual pane + vector ink
Data Privacy Cloud account required Data stored on 3rd-party servers 100% Client-side local storage

Purpose-Built Utility

Designed for academic & educational workflows

For Students

Import lecture slide decks, annotate in real time, switch between Cornell, 5mm Math, and Dot Grid templates, and duplicate notes or derivation cards with instant keyboard shortcuts.

  • ✓ Cornell note layout guides
  • ✓ 5mm engineering grid & isometric
  • ✓ Multi-page notebook thumbnails

For Teachers

Turn your tablet or laptop into a fluid digital blackboard. Grade student homework in red ink, use the glowing laser pointer during lectures, and export stamped PDFs.

  • ✓ Glowing ruby laser spotlight
  • ✓ Red-ink assignment grading
  • ✓ Smart shape draw & hold snapping

For Researchers

Read two-column arXiv and IEEE papers in split view. Unpack tensor and differential equations right next to the text using native vector KaTeX LaTeX blocks.

  • ✓ Dual-pane split reading view
  • ✓ Native KaTeX LaTeX formula blocks
  • ✓ Direct vector export (PNG & SVG)
Engineering Standards

Fast, client-side, and private by default.

Stylus runs completely inside your web browser using HTML5 Canvas, Pointer Events Level 3, and Web Workers. Your documents, notes, and handwriting never leave your machine. There are no tracking scripts, no cloud logins required, and no AI scrapers accessing your work.

Digitizer Sampling 120Hz – 240Hz (Coalesced)
Math Rendering KaTeX Client-Side
Data Storage LocalStorage / Local-First