How to Crop a Video (Change the Frame)

The wrong aspect ratio makes a video look amateur. A horizontal clip posted to a vertical feed floats in the middle with black bars; a shot with distracting clutter at the edges pulls the eye from the subject. Cropping a video cuts away parts of the *frame* to reframe the shot or fit a required shape. This guide explains video cropping, common aspect ratios, and how it differs from trimming.

What cropping does

Cropping removes area from the edges of the video picture — top, bottom, or sides — keeping the part you want. It changes what is *visible* in each frame, not the length of the clip. You use it to cut clutter, focus on a subject, or change the aspect ratio so a video fits where it will be shown.

How to crop a video with this tool

1. Open the Crop Video tool.
2. Load your video.
3. Drag the crop area, or choose a target aspect ratio.
4. Apply and download the reframed video.

Everything runs in your browser, so your footage is never uploaded.

Aspect ratios by platform

Cropping to the right ratio is the main reason people crop video:

• 9:16 (vertical) — phone-native, for vertical short-video feeds and stories.
• 1:1 (square) — many social feed posts.
• 16:9 (widescreen) — the standard for most video players and landscape viewing.
• 4:5 (portrait) — takes more vertical space in a feed than square.

Reframing a horizontal video to vertical is the classic case — and it needs care, because the subject must stay inside the narrower frame.

Cropping loses resolution — plan for it

Every pixel you crop away is gone. Crop heavily and the remaining picture is smaller, so if you then blow it up to fill a screen it looks softer. To manage this:

• Start with the highest-resolution source you have, so there are pixels to spare.
• Keep the subject in frame when reframing to a narrower ratio — pan the crop box to follow the action if the tool allows.
• Crop modestly where you can; a small trim of clutter costs little, a drastic reframe costs sharpness.

Cropping vs. trimming

The pair that confuses people: cropping changes the *frame* (the visible picture); Trim Video changes the *duration* (the length in time). Reframe with crop, shorten with trim.

Related tools

After cropping, Compress Video readies it for sharing, and Convert Video Format sets the right format. Adding a caption to the new frame? Add Text to Video.

Common uses

• Reframe horizontal to vertical for phone feeds.
• Remove clutter at the edges.
• Fit a platform's required ratio.
• Zoom in on a subject.

Privacy and limits

Cropping is fully local — no upload, no file-size limit, nothing stored, offline once loaded. Open the Crop Video tool to reframe your shot.