Drop an image or click to upload
JPG · PNG · BMP · WEBP · GIF
Classes
Objects
Tags
Export
Label Classes
Shortcuts
Select1 / V
Bbox2 / B
Polygon3 / P
Polyline4 / L
Keypoint5 / K
Bitmask6 / M
Finish annotationSpace / Enter
CancelEsc
Delete selectedDel
Undo / RedoCtrl+Z / Y
Pan (hold)Space*
Pan (drag)Right-click
Video mode
Prev / Next frame← →
Mark frameF
Custom Hotkeys→ Tags tab
* Space finishes drawing when a tool is active
Annotations
No annotations yet.
Pick a tool and start drawing.
Pick a tool and start drawing.
Image Tags
Applied to the whole image — scene type, split, quality flags, etc.
Image Notes
Tag Library
Tags saved here appear as dropdowns. Add allowed values (comma-separated) to make a tag a key=value field on objects.
No saved tags yet.
Quick Add
train
val
test
reviewed
low-quality
outdoor
indoor
occluded
truncated
crowd
Custom Hotkeys
unassigned keys only
Assign any unassigned key (letters A–Z, digits 7–9, 0) to a class or tag. Press the key on canvas to instantly apply it.
Annotated Image
Label Formats
Project Settings
Export your classes and tag library so you can import them next time — no re-setup needed.
Drop a video or click to upload
MP4 · WEBM · MOV · AVI · OGG
0:00 / 0:00 [fr:0]
fps:
Frames
Classes
Objects
Annotated Frames
Mark frames with ⊕ Mark Frame, then draw annotations using any tool. Marked frames appear here and on the timeline.
No marked frames yet.
Current Frame Snapshot
Export the current frame as an image with annotations drawn on it.
Label Formats — all annotated frames
Project Settings
Export your classes and tag library to reuse across sessions.
Label Classes
Frame Annotations
Select a frame and draw annotations.