Resize or crop: which one do you need?
Resizing changes the pixel dimensions of the whole frame. Cropping removes part of the frame before resizing. If a landscape video needs to become a portrait Reel, resizing alone will create a narrow image with empty space or stretching. You usually need to crop to the target aspect ratio first, then resize to its delivery dimensions.
The video resizer lets you choose exact dimensions or a platform-oriented preset. Use video crop when the subject needs to be reframed. This two-step workflow gives you control over what remains visible instead of allowing a platform to crop the focal point automatically.
Common video aspect ratios
| Shape | Ratio | Typical use | Starting dimensions |
|---|---|---|---|
| Vertical | 9:16 | Short-form mobile video and Stories | 1080 × 1920 |
| Square | 1:1 | Feeds, product posts, and profile grids | 1080 × 1080 |
| Portrait | 4:5 | Mobile feed posts | 1080 × 1350 |
| Landscape | 16:9 | YouTube, presentations, and desktop playback | 1920 × 1080 |
| Wide | 21:9 | Cinematic banners and some website headers | 2560 × 1080 |
These are useful production targets, not a guarantee that every platform will preserve the file exactly. Check the destination's current upload requirements when a campaign or client deliverable has strict rules.
A reliable resize workflow
- Decide where the video will be published and note the target ratio, dimensions, duration, and file-size limit.
- Make a copy of the original. Do not resize your only high-resolution master.
- Crop the frame around the subject. Keep faces, captions, and product details away from the extreme edges.
- Resize to the target pixel dimensions with the correct aspect ratio. Never stretch a 16:9 frame into 9:16.
- Play the entire result and inspect text, fast movement, and the first and last frames.
- If the file is still too large, compress the resized copy rather than repeatedly re-exporting the original.
Keep text and faces inside the safe area
Mobile apps often place buttons, captions, and profile information over the video. A title that is technically inside a 1080 × 1920 canvas can still be hidden by the interface. Leave breathing room near the top and bottom of vertical video, and preview the file on a phone-sized window when possible.
For a talking-head clip, position the eyes and mouth near the center of the new frame. For a product demonstration, keep the product and the hand movement visible throughout the crop. If the original composition cannot fit the target ratio, a subtle background fill is usually less distracting than cutting off the subject.
How resolution affects file size
Pixel dimensions are only one part of a video's size. Duration, frame rate, codec, motion, and bitrate matter too. A short 1080p clip can be smaller than a long 720p recording. If quality seems unexpectedly low after resizing, check whether the export also applied a very low bitrate or frame rate.
Keep the high-resolution original for future edits. Use a correctly framed, resized copy for each destination so one platform's crop does not become the master for every other platform.