# Image Combine

Join two to ten images into one picture, either side by side in a row or stacked in a column. The images keep their upload order, can be scaled to a matching height or width, and are aligned to the start, center or end. Add a gap between them and pick a background color or transparency. Ideal for before and after comparisons, step-by-step guides, product variants and screenshots.

## Frequently asked questions

### How many images can I combine?

You can combine between 2 and 10 images in one go. They appear in the order you upload them, from left to right or from top to bottom.

### What is the difference between side by side and stacked?

Side by side places the images in one horizontal row, and stacked places them in one vertical column. Side by side suits comparisons, stacked suits long step-by-step screenshots.

### What does match sizes do?

With match sizes on, every image is scaled to the height of the smallest image in a row, or to the width of the narrowest image in a column, keeping its proportions. With it off, each image keeps its original size and the alignment decides where smaller ones sit.

### How does alignment work?

Alignment places images that are smaller than the tallest or widest one at the start, center or end of the free space. In a row start means top, and in a column start means left.

### Can I add space between the images?

Yes. The gap adds 0 to 200 pixels between neighboring images, filled with the background color. There is no gap around the outer edge.

### Can the background be transparent?

Enter a hex color such as #ffffff, or the word transparent to keep gaps and empty areas see-through. Transparency is kept in PNG and WebP output, while JPEG output fills it with white.

### What happens if the result gets very large?

The combined image is limited to 4000 pixels on each side. If the layout would be larger, all images and the gap are scaled down by the same factor so the proportions stay intact.

### Which formats can I use?

You can upload JPEG, PNG, GIF, WebP, TIFF and AVIF images, and mix formats freely. The result downloads as combined.png by default, or as JPEG or WebP at quality 90.

### What are the upload limits?

Each image can be up to 5 MB and all images together up to 12 MB. Phone photos are turned upright using their EXIF orientation before they are combined.

### Is this good for before and after images?

Yes. Upload the before image first and the after image second, keep match sizes on and add a small gap with a white or dark background for a clean comparison.

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