Online Image Merger
Combining Images Side by Side
Image merging combines two or more images into a single composite image, either side by side (horizontal) or stacked (vertical). This is useful for creating before/after comparisons, combining screenshots for tutorials, making photo collages, or creating panorama-like composites.
Our tool supports unlimited images and adjustable spacing between them. For best results, use images with the same height (for horizontal merge) or same width (for vertical merge) to avoid uneven results.
- Use images with equal heights for clean horizontal merge results
- Before/after comparisons are the most popular use for image merging
- Add spacing between images to create clear visual separation
- Merge multiple screenshots into one long vertical image for tutorials
- Horizontal and vertical merge
- Unlimited images
- Adjustable spacing
- High resolution output
How to Use
- Upload multiple images
- Choose layout (horizontal/vertical)
- Download the merged image
FAQ
How do I merge two images?
Upload both images and choose horizontal or vertical merge.
What orientation options are available?
Horizontal, vertical, or custom grid layout.
Can I merge different sizes?
Yes — images auto-align and resize for a clean merge.
Is image merging free?
Completely free, no watermark, all local processing.