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Crop a video to just the area you need, trimming off the top, bottom, left, or right. Drag to select the part you want to keep and remove unwanted margins or status bars left over from a screen recording. Everything is processed right in your browser.
Phone or screen-recording apps often capture a status bar or black margins along the edges. Crop those out and keep just the actual content.
Crop out notifications, watermarks, or a sliver of another window you don't want visible in a corner of the frame.
Upload your video file(s).
Pick a video from the thumbnails to see its first frame as a preview.
Drag on the preview to set the area you want to keep.
Press Run to crop each video to its area and add it to the results.
There's no fixed ratio — drag to whatever size and position you need.
Switch between videos and set a different area for each — pick a video again later and its area is still there.