Chrome extension
Draw, highlight, and explain directly on any page.
SketchTab is a simple annotation tool for webpages and PDFs. Use pen, shapes, arrows, highlights, movable text notes, erase tools, and save the visible page with your annotations.
Annotate fast
Mark up webpages while studying, reviewing, presenting, or explaining something visually.
Keep the page clean
Highlights are designed to avoid rewriting the page content, helping layouts stay stable.
Save the result
Export the visible page together with your drawings, highlights, and notes.
Main features
- Freehand pen drawing
- Rectangles, arrows, and visual callouts
- Text highlights and removable highlights
- Movable text notes
- Undo, redo, erase, and clear tools
- Save annotated view as an image
- No account required