Result will appear here.
Add arrows and labelled boxes to an image, in your browser.
Image Annotation Tool adds arrow and labelled-box annotations to an image.
Arrow or box; colour and line width; optional box label.
Click Process to bake the canvas into the PNG.
Everything runs in your browser on a canvas — your image is never uploaded. Browser canvas export strips EXIF, GPS, and most other source metadata.
Image Annotation Tool adds arrow and box annotations to an image in your browser. Everything runs in your browser on a canvas — your image is never uploaded. Pick a colour and line width, choose the arrow or box tool, drag on the image to place it, and (for boxes) add a label.
Annotating works with pointer events for mouse, touch and stylus. Use Undo to remove the last annotation and Reset edits to start over. Edits stay on the canvas until you click Process to prepare the download.
Image Annotation Tool exports a PNG; the result panel shows the output dimensions and file size. Browser canvas export strips EXIF, GPS, and most other source metadata. Animated GIFs are processed as a single still frame; animation is not preserved.
Point at things with arrows or frame them with labelled boxes.
Pointer-based placement works across devices.
Remove the last annotation or start over.
Everything runs in your browser on a canvas — your image is never uploaded.
Point at the problem in a screenshot.
Box and label steps in a UI.
Mark up a design or photo.
Annotate a diagram.
Arrows and rectangle boxes, in a colour and line width you choose. Boxes can have an optional text label at the top-left.
Yes. Image Annotation Tool uses pointer events, so it works with mouse, touch and stylus.
The download is only updated when you click Process. After annotating (or undoing), click Process again, then download.
No — Image Annotation Tool processes your image in your browser on a canvas; nothing is uploaded.
Tools that pair well with Image Annotation Tool.