Whole-slide imaging, simplified.

Eosin is a browser-based platform for viewing, annotating, and teaching from pathology slides. Fast whole-slide navigation with collaborative annotation tools.

Open Viewer

Features

Purpose-built tools for digital pathology workflows.

Fast whole-slide navigation

Zoom from 1x to 40x with smooth, responsive controls. Pan across large slides without lag.

Collaborative annotation tools

Mark regions of interest, add notes, and share annotated views with colleagues or students.

AI-assisted workflows

Coming soon: nuclei detection overlays, prototype embeddings, and intelligent analysis tools.

For Educators

Teaching tools for pathology courses

Share curated slide collections with your students. Create permalinks to specific diagnostic regions for lectures and examinations.

  • Create permalinks to exact fields-of-view
  • Consistent slide access across cohorts
  • Browser-based access on any device
For Students

Learn pathology visually

Access curated slide collections anytime. Follow instructor-shared links to specific diagnostic regions for guided study.

  • Study from laptop, tablet, or phone
  • Navigate to shared diagnostic regions
  • AI-assisted feature identification (coming soon)

Ready to get started?

Open the viewer and start exploring whole-slide images in your browser.

Open Viewer