Stabilize Shaky Video

How video stabilization works

To stabilize a video, the tool compares each frame with the previous one, estimates how far the picture slid because of the shake, then shifts it the other way to compensate. Intentional movement, like a slow pan, is kept, while small, fast jolts are smoothed out. This correction moves the picture, so the edges are uncovered at times. The adjustable zoom (6% by default) crops very slightly to hide them; at 0%, uncovered corners are filled with a mirror image, by extending the edge, or in black, depending on the “Edges” setting. Stabilization corrects up, down, left and right shifts, the main cause of shaky footage; a strong rotation of the camera is compensated less well.

Which strength should you choose?

“Light” suits a handheld video shot standing still with a slight tremor. “Medium” is the right setting for walking footage or a concert video. “Strong” and “Very strong” look for bigger movements, useful for a bike ride, a car on a bumpy road, or a GoPro-style action camera without built-in stabilization. The higher the strength, the more likely the tool is to mistake real movement for shake: start at medium, check with the before/after preview, and only go higher if the shake is still visible. The “Precise analysis” option examines every possible position; it sometimes improves difficult scenes but makes processing about four times longer.

Stabilize iPhone, Android, GoPro or drone footage

Phone videos (MP4 or MOV from an iPhone, MP4 from Android) can be added directly, vertical or horizontal: the orientation is kept. The result is an H.264 MP4 with the original sound, playable on every phone, computer and social network. The processing runs on your device and needs some power: for a long Full HD video, 720p output (the default) is much faster and more than enough for Instagram, TikTok or WhatsApp. If your video is very long, first cut out the part you need with “Cut / Trim Video”, then stabilize it: you'll save a lot of time.

Avoiding shaky video while filming

The best stabilization happens while you film. Turn on your phone's stabilization (Action mode on iPhone, video stabilization in the Android camera settings), hold the phone with both hands, elbows against your body, and walk with your knees slightly bent. Framing a bit wider than needed also leaves room for the stabilization zoom. For important shots, a simple support (a wall, a railing) or a gimbal stick makes all the difference. And if the picture is still blurry or dark, the problem often comes from the lighting: shake is much more visible in a poorly lit scene.