9 Instagram carousel mistakes to avoid (and how to fix them)

The Instagram carousel mistakes to avoid are almost always the same: a first image in the wrong format, seams thrown off by slicing by hand, text too close to the edges or cut between two slides, too many fonts, blurry images and a scrambled order at posting time. None of them is a matter of talent; all of them can be fixed with a little method. Here are the nine most common, each with its cause and its fix.

Format and size mistakes in a carousel

1. A first image in the wrong format

In a carousel, every image takes the format of the first one, and the others are cropped to match. Opening with a square photo when the ones that follow are portraits means letting Instagram cut the top and bottom off everything else.

The fix: choose the format before you start, and prepare every image in that format. If a photo doesn't have the right proportions, place it in a frame with margins rather than letting it be cropped.

2. Mixed formats across the carousel

A variation on the previous one: the images were prepared at different times, in different tools, and one is 1080 × 1350 px while its neighbor is 1080 × 1440 px. The difference is invisible in your phone's gallery, but it turns into a crop once posted.

The fix: compose the whole carousel in one place, in one go. The Instagram carousel size guide lists the exact dimensions of each format.

3. Blurry or wrongly sized images

Three things cause blur: a source photo that is too small, enlarged to fill the frame; a screenshot used in place of the original file; an image exported at dimensions that don't match Instagram's, which the platform then has to resize. On top of that comes the recompression Instagram applies to every upload.

The fix: start from the original file, export at 1080 px wide in the format you chose, and avoid heavily enlarging a small photo. For a panorama, allow 1080 px of width per slide of the carousel. The article on image quality at export compares JPEG and PNG.

Seam mistakes in a seamless carousel

4. Seams thrown off by slicing by hand

You slice a panorama in photo editing software, drawing the parts by eye or typing in the values one at a time. One part is 1079 px, the next 1081 px, and the seam shifts a notch with every slide. Even with no width error, exporting one part with slightly different framing is enough to break a horizon line.

The fix: don't slice by hand. In a seamless carousel maker, the composition is done on a single canvas, and the export slices it into 1080 px images whose edges line up exactly.

5. A crop or zoom added in Instagram

The images are perfect at export, and then, at posting time, one of them gets enlarged or nudged a few pixels on the selection screen. The seam is lost, and you only notice once the carousel is live.

The fix: don't touch anything in Instagram. The images are already the right size; select them as they are and swipe through the carousel before you confirm.

6. A subject split in two by the cut

The seam is exact, but the cut runs through the middle of a face, a word or a logo. Each slide, taken alone, shows half a subject. The continuous effect doesn't make up for it: what people see first is a badly framed image.

The fix: save the cuts for things that can take them: a landscape, a background, a shape, a strip of photos. Shift the composition so faces and text fall entirely within one slide. The seamless carousel guide explains how to place elements across two slides without getting in the way of reading.

Text and layout mistakes

7. Text too close to the edges

A headline pressed against the edge of the image looks cramped, and it's the first thing to suffer from the slightest crop. The risk is real: the profile grid shows vertical 3:4 thumbnails, and an image in another format doesn't appear there exactly as it is.

The fix: keep a comfortable margin between the text and all four edges, and put the essentials in the center, especially on the first slide. Use the same margin on every slide: a headline that changes position from one slide to the next seems to jitter as you swipe.

8. Too many fonts and styles

One font for the headline, another for the subhead, a third for the captions, three colors, sizes that change on every slide: the carousel loses its unity, and the reader no longer knows what matters.

The fix: two fonts at most, one for headings and one for body text, for example Montserrat and Inter or Playfair Display and Inter. Two or three sizes, always the same ones. One text color, possibly one accent color. The guide to text on a carousel covers pairings and readability on small screens. For a carousel made mostly of text, you can also turn text into an Instagram carousel: a ready-made theme applies the same fonts and colors to every slide.

Mistakes when posting the carousel

9. A scrambled order at posting time

The order of the carousel follows the order in which the images are selected. Swapping the third and fourth images is enough to make a step by step impossible to follow and to break every seam in a panorama.

The fix: rely on the numbering. On a computer, the export gives you a ZIP of images numbered in order; on mobile, the images are saved to Photos through the share sheet. Select them starting with the first, then check the first and last images before posting. To see how the first image will look among your other posts, try it in an Instagram grid planner.

The five-point check before posting

Most of these mistakes can be caught in a minute, provided you look at the carousel the way your audience will see it. In SwipeAtelier, the preview swipes through the slides the way Instagram does, before you export. Use it to check:

1. The format: are all the images in the same format, that of the first one?
2. The first image: does it make sense on its own, with its subject in the center?
3. The cuts: is any face or word sliced through?
4. The text: is it readable on a phone screen, away from the edges, in the same fonts throughout?
5. The order: are the exported files numbered, and did you select them in that order?