What happens if images have different heights?

All images are scaled to the height of the smallest image while keeping their aspect ratios. No stretching or distortion.

How many images can I merge at once?

Up to 20 images can be merged in a single operation.

What format is the output?

The result is saved as a PNG file, preserving transparency if present.

Can I reorder images before merging?

Yes, you can adjust the order in the list after uploading.

How do I merge images vertically?

Use the Merge Vertically tool available on the home screen.

ImageStream

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Merge Horizontally

Join multiple images side by side

Combine multiple images left-to-right into a single horizontal image. Perfect for comparison shots, storyboards, product color options, or any side-by-side layout. Images with different heights are aligned automatically.

How to use Merge Horizontally

1Upload the images you want to merge in order (up to 20)
2Confirm the order of the images
3Click Merge and download your combined image

Horizontal Merging Guide

E-commerce — Product Variations

Merge images of different colors/variants horizontally. It helps customers compare choices instantly, streamlining the decision-making process on your product page.

Social Media — Before/After

Before/After comparisons are high-engagement content. Whether for home decor, fitness, or design, horizontal side-by-side shots are visual storytelling at its best.