Free
$ 0Non-commercial use. Explore the core toolkit to test ideas and share quick drafts.
Launch app- Version history
- Export up to 1080p
- Export up to 5s video
- Core effects library
- Basic preset controls
- Figma plugin
Blob Tracker Effect
Apply Blob Tracker to images and videos online
Track blobs in images and videos. Detect bright or keyed regions, then draw boxes, centers, captions, and connecting paths in real time.
Before
After
Ideas for using the effect
Motion tracking overlays
Add detection boxes and center markers to moving subjects for a technical tracking look.
Experimental surveillance style
Create computer vision, scanner, or monitoring visuals with captions and colored targets.
Key color detection
Track regions that match a chosen key color, then tune threshold and persistence for cleaner results.
Connected path graphics
Link detected blobs with straight, arched, or smooth lines for motion maps and generative diagrams.
Made with this effect
More inspiration on Instagram @effect_app
Start creating with Blob Tracker for free
Test out the app with no strings attached. No registration or credit card information is required.
Switch to Yearly to save 10%
Pro
$ 12 /monthCommercial license with full features. High-resolution exports, longer clips, and work without watermarks.
- No watermarks
- Commercial license
- Dynamic effects export
- 4k resolution export
- 120s video export
- Save and share up to 10 custom presets
Animate new
$ 20 /monthKeyframes, longer video exports and unlimited presets.
- Animate effects with keyframes
- Up to 5 minutes video export
- Unlimited custom presets
- Keyframe timeline controls
- Reusable animation settings
Frequently Asked Questions
What is the Blob Tracker effect?
Blob Tracker detects connected regions in an image or video and draws tracking overlays around them.
What can it track?
It can track bright or keyed regions, depending on the selected key color, threshold, and persistence settings.
Which overlays are available?
You can draw full boxes, corner boxes, circles, center markers, captions, and connecting lines.
Can I customize the tracking style?
Yes. Adjust box color, palette, blend mode, thickness, opacity, fill, caption placement, line type, and line style.
Does Blob Tracker work on videos?
Yes. Blob Tracker processes video in real time and keeps track IDs stable across frames.
Can I preview the detection mask?
Yes. Enable debug mask to see the mask that the blob tracker uses for detection.