How to Make a Vertical Video Landscape With AI

The Klipa editorial team · figures checked on October 29, 2026

You filmed a useful clip in portrait, but the project needs a landscape frame. AI can sometimes fill the missing sides, but changing the aspect ratio alone cannot reveal what the camera never captured. Your choice is to generate new pixels, use a background around the original video, or crop the frame and accept that some of the image may be lost.

AI can extend portrait footage, but changing the ratio cannot

A portrait clip contains less horizontal image than a landscape frame requires. A basic canvas or aspect-ratio change can resize or position that clip, but it cannot supply the missing left and right sides. To fill those areas with a scene, an AI video tool must generate content beyond the original frame; this is often called generative expansion or outpainting.

That difference matters because generated sides are guesses, not recovered footage. They may look convincing in a static shot, yet shift or distort when a person, vehicle, shadow, or camera moves. The video placed after this section illustrates the idea of turning vertical footage into a wider frame; treat any generated result as a creative interpretation that needs checking.

Choose between generated sides, a background, and a crop

Generative expansion is the option that actually adds image outside the original frame. It can suit a clip where the subject needs room around them, especially if the scene is simple and the edges do not contain important detail. Its trade-off is the risk of invented or inconsistent objects, textures, and motion.

A horizontal canvas with the portrait clip centered preserves the entire original image. You can leave the sides as a solid color, place a still or design behind the clip, or use a blurred enlargement of the footage as a background. These methods do not extend the scene, but they avoid asking AI to invent what was outside the shot. Cropping fills the frame with existing pixels, so it works only when you can lose part of the top, bottom, or sides without cutting off the subject. For the reverse direction, see this guide to converting horizontal video to vertical; that common workflow solves a different framing problem.

Check the edges and motion before you export

Review the whole clip, not just a thumbnail or a single attractive frame. Look closely at both generated edges for repeated patterns, warped lines, sudden changes in texture, and objects that appear or disappear. Then watch the subject move: hands, hair, faces, and objects passing near the border can expose inconsistencies that are easy to miss in a still image.

If the sides flicker, bend, or contradict the scene, switch to a blurred or designed background, or recrop more conservatively. Check the final frame on the device and platform where it will be shown; a result that looks balanced in the editor may feel cramped or distracting at playback size.

Free options, Photoshop, and Premiere need a version check

You can make a landscape frame without paying for generative expansion by placing the full portrait clip over a background, or by cropping it. Free AI options may also be available, but compare the actual export and inspect the result before building a workflow around one: access to features, output quality, and export conditions can differ. A free editor that preserves the full clip on a background may be a better fit than an AI result with obvious edge artifacts.

For Photoshop or Premiere, check the documentation for the version you use and confirm that its available tools work on video in the way you need. A feature that expands a still image does not automatically mean it can extend moving footage with consistent frame-to-frame results. Verify the export settings and test a short section before editing the full clip.

Klipa cuts existing footage into clips, not landscape extensions

Klipa’s browser-based tool is for cutting an existing video into short extracts, not generating the missing sides of portrait footage or converting it to landscape by itself. You can use it to make short clips from a longer video; the guide to cutting a video into Shorts explains that separate editing task. If you want to try the tool, open Klipa’s video-to-shorts tool. It runs in a browser on computers and phones, and a free export carries a small Klipa logo; exporting without it requires a one-off Pass or a subscription.

For context, production data for the Klipa tool from 2026-09-26 to 2026-10-26 records 534 successful tasks and a 97.1% success rate. Median processing time was 25.0 seconds, with a p90 of 114 seconds. These figures describe use of the clips tool, not a portrait-to-landscape test, and they are not a guarantee of results or processing time.

For a landscape deliverable, first decide if you need new scene content or simply a landscape-shaped canvas. Generate the sides only when their consistency holds up across motion; otherwise, use a background or crop that keeps the subject clear.