Image Merger
Merge multiple images into one — side by side, stacked, or in a grid — with adjustable spacing and a custom or transparent background. Combine photos into collages locally in your browser.
Click to browse, drop, or paste images
Add two or more images, then combine them into one. Drag order = source order. Processed locally.
Merge multiple images into one — side by side, stacked, or in a grid — with adjustable spacing and a custom or transparent background. Combine photos into collages locally in your browser. Image Merger is a free, browser-based tool in the Toolsnest image tools collection — there is nothing to install, no account to create and no watermark on your results. It works on desktop, tablet and mobile, and because the work happens on your own device it stays fast even with large inputs.
How to use the Image Merger
- Open the Image Merger — no sign-up or software download is required.
- Drag and drop your file(s) into the tool, or click to browse and select them from your device.
- Choose any options you need, such as order, quality, page range or output format.
- Click the action button and let the tool process everything locally in your browser.
- Download the finished file. Your originals are never changed or uploaded.
Why use the Image Merger?
- 100% free with no limits, no sign-up and no watermarks.
- Private by design — your files are processed in your browser and never uploaded to a server.
- Fast and lightweight, with instant results even on a phone or a slow connection.
- Works everywhere — any modern browser on Windows, macOS, Linux, Android or iOS.
- Part of a full image tools suite, so related image merger tasks are one click away.
Is it private and secure?
Your privacy is built in. The Image Merger does all processing on your own device using client-side code, so your files are never transmitted, stored or seen by anyone — including us.
Frequently asked questions
How are images arranged?
Choose horizontal (side by side), vertical (stacked) or grid. Images are combined in the order you added them.
Can I add spacing or a background colour?
Yes. Adjust the spacing slider for gaps between images and pick any background colour, or make it transparent when exporting to PNG or WEBP.
Do images need to be the same size?
No. In horizontal and vertical modes images are scaled to a common height or width; in grid mode they are centred within uniform cells.