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Choose a crop shape, drag the frame over the part you want, preview it, and create the cropped video.
Cropping throws away the edges of the frame and keeps the part you care about. It is how you turn a wide recording into a vertical clip, cut a messy room out of the background, or centre a subject that ended up off to one side. Drag the crop box over the picture, watch the live preview, and export the reframed video.
When a video has to change shape — 16:9 footage destined for a 9:16 feed, say — cropping is the honest step and resizing is the second one. Crop to the target aspect ratio so you decide which part of the frame survives, then scale that crop to the platform’s pixel dimensions. Doing it the other way round, or scaling straight into a different ratio, stretches faces and makes straight lines lean.
A crop box that is technically correct can still be badly composed. Leave a little headroom above a person rather than cutting the top of their head, and keep eyes roughly a third of the way down the frame. For vertical crops of a two-person conversation you often have to choose one subject — the alternative is a wide crop with both of them tiny. Scrub the whole clip with the box in place: subjects move, and a crop that frames the first second can decapitate the tenth.
Keeping the middle half of a 1080p frame leaves you with roughly 540p worth of real detail, even if you then scale it back up to 1080. That is fine for a phone-sized viewer and obvious on a TV. If you know a clip will be cropped hard, shoot or export the source at the highest resolution you can, so the crop still has pixels to spend.
Cropping removes parts of the picture and changes what is visible. Resizing keeps the whole picture and changes how many pixels describe it. Turning wide footage into vertical usually needs both, in that order.
Yes — the crop shape can be locked to common ratios such as 9:16, 1:1 and 16:9, so you can slide the box around without accidentally changing its proportions.
No, the crop region is fixed for the whole clip. If your subject moves a lot, choose a box wide enough to hold them throughout, or split the video and crop each part separately.
Not by itself, but a cropped frame contains fewer pixels. Blurriness appears when you scale that smaller region back up to a large output size. Cropping lightly, or starting from a higher-resolution source, avoids it.
No. Only the visible area of the picture changes; the soundtrack is carried through unchanged and stays in sync.
