AprilTag Overlay Tool

Image

Step 1

Upload image

Choose an image to start

No file selected yet

PNG, JPG, JPEG, JFIF, TIFF and TIF are supported. Click to browse or drag a file here.

Browse

Export

Step 2

Format

PNG is the default because it keeps AprilTags and dashed lines sharp.

Quick guide

Tags Drag the middle to move; drag an edge or corner to resize.

Scale while dragging While holding and dragging a tag, scroll the mouse wheel to scale it. Each tick changes the size by 2px.

Stage Drag the image area to move the whole preview; drag the stage edge or corner to resize it.

Image border Set the "Pixel border" value and click "Add border to image" to add a white border of that thickness to every edge of the loaded image.

Connection rule Top: TL top-right to TR top-left.
Right: TR bottom-right to BR top-right.
Bottom: BR bottom-left to BL bottom-right.
Left: BL top-left to TL bottom-left.

Tag controls

X, Y and size in preview pixels

Image border

Optional

Pixel border

Adds a white border of this many pixels to every edge of the loaded image.

Upload an image to start.
Four draggable AprilTags will appear near the image corners.