Mark

Blob Tracker

Detects connected bright/dark regions (thresholded connected components, filtered by area and circularity) and tracks each across frames with a stable id, framing every blob at…

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Runs in your browser. No download. Export when you're ready.

What it does

Detects connected bright/dark regions (thresholded connected components, filtered by area and circularity) and tracks each across frames with a stable id, framing every blob at its true detected size. Corner boxes, crosshairs, connection lines, motion trails and velocity arrows dress the readout.

Why Vibe Designer

Everything in the browser

No install. Open the Blob Tracker effect and start immediately.

Layer it up

Blob Tracker is an information overlay you can lay over anything — stack it with the rest for something nobody else has.

Animate & export

Seamless looping video (MP4/GIF) and high-res image export, straight from the canvas.

More Mark effects

Make something with Blob Tracker

Open it in the editor and see it move in seconds.

Open the editor →