RectLabel

How to use? Read our Help page.

Post the problem to our Github issues.

Have questions? Send an email to support@rectlabel.com.

Edit menus

Create box

Create a box.

Move the box.

Select multiple boxes.

Change color.

View menus.

Settings menus.

box2

Create polygon, cubic bezier, line, and point

Create a polygon.

Right click on the point.

Right click on the object.

Merge polygons and separate the polygon.

edit_points

Create polygon using SAM

Select a model.

Select a create type.

Create using SAM.

sam_polygon

sam_pixels

Create keypoints

Create keypoints.

Each keypoint has a visibility flag v defined as below. Read more

Change visibility when click each keypoint.

Create the skeleton.

Right click on the point.

Right click on the object.

Keypoints names and edges are saved in the settings file. For the first keypoints object, you have to press an enter key to finish drawing, change keypoints names, and add edges.

View menus.

Create pixels

Create pixels using brushes.

Right click on the object.

Import pixels.

Select pixels.

The pixels file is saved as {image_file_name}_pixels{pixels_idx}.png in the annotations folder.

View menus.

brush

Create pixels using superpixels.

superpixel

Create image label

Create an image label without drawing the box.

Settings menu.

Move

Select an object.

Move an object/image.

Right click on the object.

Rotate

Rotate an object.

Settings menu.

draw_obb

Rotate the image right/left

You can rotate the image and annotation to the right/left by 90 degrees.

Delete

You can select multiple objects and delete them.

Layer up/down

Change the layer order of the object.

layer_order

Toggle erase

Erase points/mask when Create polygon mode.

erase_points

Erase pixels when Create pixels mode.

erase_pixels

Change brightness and contrast

Change the image brightness and contrast for dark images.

Change object color

Change the object color using the color picker.

Clear object color

Clear the object color to the default color.

Search images

You can search object, attribute, and image names in a gallery view.

search3

Clear search images

Clear searching and show all images.

Replace labels

Replace labels using regular expressions.

Undo/Redo

You can undo/redo actions.

Cut/Copy/Paste

You can select multiple boxes and cut/copy/paste them on another image.