Whiteboard by Endless AI

Handwrite, annotate PDFs, and explain ideas anywhere

Whiteboard by Endless AI is a cross-platform drawing and explanation app from Endless AI LLC. Write by hand, add shapes and arrows, import PDFs, and choose page-based documents or an infinite canvas. Teachers and tutors can work through lessons; students can make visual notes; coaches can use sports-field tactics templates. Free access is available with optional paid features and platform differences.