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Image Joiner

Merge two or more images side by side or stacked.

Image Tools Reviews Free · no sign-up

Drop two or more images here, or click to choose them

They are joined in the order you add them · nothing is uploaded

Quick Tool Overview

The Image Joiner merges two or more pictures into one file, side by side, stacked, or in a grid. The canvas is sized for you, images of different dimensions can be matched on height or width, and a gap in any colour separates them. Order follows the queue, which you can drag to rearrange.

What it does
Combines several images into one file
You give it
Two or more images and a direction
You get back
A single merged image
Best for
Before-and-after shots and screenshot sequences
Image Tools Free, unlimited use No sign-up Runs in your browser

About the Image Joiner

Putting two pictures in one file is how before-and-after comparisons, step-by-step screenshots and simple photo strips get made. Doing it in an image editor means creating a canvas, working out the arithmetic and aligning by eye.

Here you drop the images in, choose horizontal or vertical, and the canvas is sized for you. Images of different sizes can be matched on height, matched on width, or left alone and aligned; a gap in any colour can be set between them. The order is whatever order you added them in, and they can be dragged in the queue to change it.

Key features of the Image Joiner

Horizontal, vertical or grid

Side by side for comparisons, stacked for sequences, grid when there are more than a handful.

Handles mismatched sizes

Match on height, match on width, or leave images alone and choose an alignment — the canvas fits whichever is largest.

Adjustable gap

A few pixels of gap in white or black reads far better than images touching edge to edge.

Reorderable queue

Drag the thumbnails to change which image goes where, without removing and re-adding files.

No watermark

Nothing is drawn onto the output and nothing is uploaded — the merge happens on a canvas in your browser.

How to use the Image Joiner

  1. 1

    Add two or more images

    Drop them all in at once, or add them one at a time. They appear in a queue.

  2. 2

    Choose the direction

    Horizontal puts them side by side; vertical stacks them; grid arranges them in rows.

  3. 3

    Set the gap and background

    A few pixels of gap in white or black reads much better than images touching.

  4. 4

    Download the merged image

    One file containing all of them, at full resolution.

Frequently asked questions

Choose how to reconcile them: match heights for a horizontal join, match widths for a vertical one, or leave them at their own sizes and pick an alignment. The canvas is sized to whichever is largest.

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