Join Images Side by Side or Stack Them Online (Free, No Upload)
Before-and-after pairs, price comparisons, chat screenshots, document scans: sooner or later you need several photos inside a single frame. Doing it by hand in an editor means canvases, guides and exports.
Join Images skips all of that. Drop the photos, pick a layout, set the gap and background, download. Here is how each option behaves and which layout suits which job.
Layouts: row, stack or grid
Side by side places images left to right in the order you added them. Stacked places them top to bottom. The grid option flows them into rows and columns when you have more than two.
Order follows the file list, so reorder the list and the composite re-flows instantly.
Step by step
- Open Join Images and add two or more photos.
- Choose side by side, stacked or grid from the layout control.
- Set the gap width and the background colour that fills uneven edges.
- Download the combined image; nothing is uploaded at any step.
Gaps, backgrounds and uneven sizes
When heights differ in a row, each image keeps its aspect ratio and the shorter one is centred against the background colour. White suits documents; a neutral grey suits product pairs.
- Zero gap gives a seamless split-screen look for comparisons.
A thin gap reads as deliberate design and hides tiny alignment differences.
For screenshots, match the gap colour to the app background so the join disappears.
Good uses beyond comparisons
Scanned pages joined vertically become a single readable sheet for sharing. Product photos joined in a grid become a catalogue tile. Signature plus photo joined side by side fits many form uploads.
When you need one photo cut into tiles instead of several joined into one, use Instagram Grid.
Try it free: Join Images | runs entirely in your browser, no uploads and no signup.