AI ad resizer that keeps the product in frame

Why automatic crops lose the product

Give an ad platform one file and let it fill every placement, and it crops. A 4:5 feed ad cut down to 9:16 loses its sides; the same ad cut to 16:9 loses its top and bottom. Whatever sits near the edge goes first, and in most ads that is the headline, the logo or the price. The product survives only if it happened to be in the middle.

Resizing properly means rebuilding the composition for each shape. On a wider canvas the background is extended instead of the product being stretched, and on a taller one the text moves to where it still reads. That is the resizer’s job. It still needs a human eye, because some layouts can’t be saved by moving things around.

Design the original so it survives

The easiest ad to resize is one planned for it. Keep the product and the main line of text near the centre with clear space around both. Use a short headline, since a line that sits on one row in a square may break onto three in a tall frame or look stranded in a wide one. Keep the background simple enough to extend: a plain wall, a tabletop or a gradient extends cleanly, while a crowded shelf invents new objects at its edges.

For the vertical versions, remember the app on top of your ad. TikTok and Reels put the account name and caption along the bottom and a column of buttons down the right side. A price badge in the bottom-right corner of a square ad lands right under the like button once it goes vertical. Our safe-zone checker shows the covered areas for each app.

Decide which shape carries most of your spend and design that one first. If most of the budget goes to Reels and TikTok, start vertical and treat the square as the adaptation. Going from tall to square loses a strip of background; going from wide to tall can lose most of the frame.

A desk lamp ad in four shapes

Say your best static is a 4:5 image of a brass desk lamp on a walnut desk, with the headline top left (“Light that stays where you point it”) and a price badge bottom right. You want 1:1 for the feed, 9:16 for Stories and Reels, and 16:9 for YouTube and display.

The square is the easy one: trim a little height and keep everything. The vertical needs more room above and below, so the wall behind the lamp is extended upward and the desk downward, and the price badge moves up and left, clear of the buttons. The wide version is the hardest. The lamp sits to one side, the extended desk fills the rest, and the headline moves into the empty space beside it. Look at each version at the size people will actually see it, because a headline that reads fine full screen can vanish in a feed thumbnail.

Video is harder than stills

Resizing a still means fixing one frame. Resizing a video means every frame has to work while the product moves. A shot where a hand lifts the product toward the camera can be well framed at the start of a vertical crop and cut off by the end. Scrub through every resized clip instead of judging it by the opening.

Fast shots sometimes need regenerating at the new ratio rather than reframing, and some video models don’t take an aspect ratio at all. In our Kling 3.0 tests, image-to-video returned the shape of the start frame, so the reliable fix was to crop the start frame to 9:16 or 1:1 before animating. If you are making a new video for several placements, generating each shape from its own start frame usually beats cutting one out of another.

Before you upload each size

Run through this once per size. It takes a minute and saves an ad running with half a price tag.

• The whole product is in frame in the first and the last frame.
• Headline, price and logo are fully visible and clear of platform buttons.
• The text is spelled the same way on every size.
• The extended background has no new objects, logos or text at its edges.
• Each file goes to its own placement in the ads manager, rather than one file for everything.