LEARN IT. SEE IT. TRY IT.

AI video expansion, step by step.

Real editor screenshots. Clear steps. Find the right canvas for your video, then try the workflow yourself.

One landscape clip in the editor with 9:16, 4:5 and 1:1 selectedSCREENSHOT GUIDE
SOCIAL VIDEO WORKFLOW

How to repurpose one video for TikTok, Reels and Shorts

Prepare multiple social video formats from one clip. Start with a shared 9:16 composition for TikTok, Instagram Reels and YouTube Shorts, then add feed formats where you need them.

5 min read
Horizontal horse video fitted inside a vertical 9:16 canvas without trimming its sidesSCREENSHOT GUIDE
CONVERSION GUIDE

How to convert horizontal video to vertical without cropping

Make a landscape video fit a vertical canvas. Compare cropping, blur and AI expansion, then plan a 9:16 version without cutting away the original shot.

4 min read
AI Video Expander showing a draggable original and expanded video comparisonSCREENSHOT GUIDE
GETTING STARTED

How to use AI Video Expander to expand a video frame

Follow the editor with real screenshots: upload a source, choose an aspect ratio, adjust the room around the shot and compare a recorded AI expansion.

4 min read
Original video area and AI-generated surroundings compared in the same frameSCREENSHOT GUIDE
WORKFLOW

Outpainting, cropping or a blurred background?

Choose the approach that fits the shot before spending time or credits.

3 min read
Square output selected alongside vertical and portrait social video formatsSCREENSHOT GUIDE
FORMATS

Video aspect ratios for social media: 9:16, 4:5, 1:1 and 16:9

Plan the versions your placements need, without creating four exports by default.

4 min read
Portrait hiking clip centered in a 16:9 canvas with space on both sidesSCREENSHOT GUIDE
CONVERSION GUIDE

How to convert vertical video to horizontal without cropping

Give a portrait clip room on the left and right. Follow this screenshot tutorial to plan a 9:16-to-16:9 conversion for a widescreen player or website.

5 min read
Custom video resizer with a 1500 by 900 canvas around a 1024 by 576 sourceSCREENSHOT GUIDE
CUSTOM CANVAS TUTORIAL

How to resize a video to custom dimensions without cropping

Set a specific canvas width and height, or drag each edge independently. Use the four-sided AI example as a starting point for your own video composition.

5 min read
Black-border detector selecting the active portrait picture with a green frameSCREENSHOT GUIDE
BLACK BORDER TUTORIAL

How to remove black bars from video without cutting the picture

Find whether borders are part of the file, detect their edges and confirm the picture you want to keep. Follow real screenshots to prepare a cropped source locally.

5 min read
PUT IT INTO PRACTICE

One clip. Your social formats, together.

Open 9:16, 4:5 and 1:1 in one workspace. Upload your clip, remove any formats you do not need and compare each composition.

Upload your clip, shape the canvas and save your composition.