Merge Images Online — Free Tool
Need to join two screenshots, combine comparison photos, or stitch images together for a presentation? Upload your images and arrange them horizontally or vertically with optional gap and alignment controls. No software installation required, and the merged result downloads instantly. It’s a straightforward way to combine visuals without opening a full image editor.
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Why use this tool?
Upload two or more images and choose whether to stack them side by side or one on top of the other. Adjust the gap between images and align them to the start, center, or end of the shared axis to get exactly the layout you need. The merging happens entirely in your browser through the Canvas API, so your images are never uploaded to any server and remain completely private. The tool handles images of different sizes gracefully, scaling and positioning them according to your alignment preference. Download the finished composite as a single image file, ready to share or embed wherever you need it.
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Frequently asked questions
How many images can I merge at once?
You can upload and merge two or more images in a single operation. There is no hard cap, though very large numbers of high-resolution images may be limited by your browser’s available memory.
Is my file private and secure?
Completely. Your file is processed 100% inside your browser using the Web APIs built into your device. Nothing is uploaded to any server — imgic never sees, stores, or transmits your images. You can even use these tools offline once the page has loaded.
Can I control the spacing between merged images?
Yes. A gap control lets you set the pixel spacing between each image. You can also choose alignment options so images of different heights or widths line up cleanly along the shared edge.
What happens if my images have different dimensions?
The tool positions each image according to your chosen alignment setting. Smaller images are placed within the merged canvas alongside larger ones without being stretched or distorted.
What output format will I get?
The merged image is exported as a PNG by default, preserving quality and any transparency present in your source files. The download is generated directly in your browser.