⚠️ Mobile devices may take 3-5 minutes to process. Desktop recommended.
Upload Video ▶
📹
Drop video here or click to upload
MP4, MOV, AVI • Max 2 minutes
📏 0:00
📐 0x0
📦 0 MB
Load a .dtproj or .dtproj-full file
Notice
Export quality and smoothness depends on your browser and device performance.
New: browser-based animated player tracking markers.
Tracking speed and smoothness may depend on your computer and browser performance.
Tracking technology may still make mistakes in some situations while we continue to improve accuracy.
Player Marker
20%
15px
Break Chain: stop connecting to previous markers
Text Box
Arrows
Drag to draw • Double-click to curve
Shapes
20%
Drag to create shape. Double-click a rectangle to show control points and adjust corners.
🎬
Upload a video to get started
Max 2 minutes • MP4, MOV, or AVI
✏️ Annotation Mode - Draw on the canvas
0:00 / 0:00
3s
💡 Tip: Click to select, drag to move, use handles to resize. Delete/Backspace removes selected.
How to Use
1
Upload a video clip (max 2 minutes)
2
Pause at key moments and click Add Annotation
3
Add annotations (circles, arrows, shapes, text)
4
Click Save & Resume to continue
5
Use Preview to review your work
6
Export to download the final video
Annotations
No annotations yet. Click "Add Annotation" to add one.
Player Tracking (Beta) ▶
We are still improving occlusion handling and tracking consistency.
How to Use
1. Move the playhead to where tracking should begin, then click Set Start At Playhead.
2. Set the tracking duration.
3. Click Detect Players At Start.
4. Select player candidates on the video or in the list.
5. Click Track Selected Window.
6. Adjust marker style (color, size, trail), then click + Add Marker.
2. Set the tracking duration.
3. Click Detect Players At Start.
4. Select player candidates on the video or in the list.
5. Click Track Selected Window.
6. Adjust marker style (color, size, trail), then click + Add Marker.
Status: Not analyzed
1.0x
Detect players at start time first.
Splits marker timing at current playhead and rebinds onward.
No tracking markers yet.
Export
Save Project
Lightweight: small file, re-select video on load