How it works
Screenshot Annotator Online
Marking up screenshots with arrows, boxes, text labels, and freehand drawings makes feedback and documentation far clearer. Our Screenshot Annotator lets you layer markup directly on top of any image using an intuitive point-and-click drawing canvas.
Choose from four annotation tools — freehand pen for sketches, rectangles for highlight boxes, arrows for directional callouts, and text labels for written instructions. Customize stroke color and line width to make important elements stand out visually.
Every annotation is stored in an undo history stack, so you can revert individual strokes or clear everything and start over. The final annotated image exports as a clean JPEG ready for sharing in bug reports, tutorials, or team communications.