Can images have different sizes?

Yes. Alignment modes control whether heights are normalized or kept natural.

Max number of images?

Limited by memory and the maximum image size supported by your browser.

Use PNG export with a transparent background color setting when supported.

Image Joiner

Combine several images horizontally or vertically into one image. Adjust spacing, background, and alignment.

Files and content are processed locally in your browser and are not uploaded to our server.

About this tool

Combine screenshots, scans, or panels into a single image strip. Arrange files horizontally or vertically, set gap spacing and background fill color, align items, and export one PNG or JPEG—handy for comparison slides, comic strips, and long mobile screenshots.

How to use

Horizontal or vertical stitching
Change the image order by dragging
Configurable gap and background color
Uniform or natural height alignment modes
PNG/JPEG export
Add images: Select multiple files in desired order.
Layout options: Choose direction, spacing, and background.
Join and download: Download the combined image.

Examples

Merge sequential mobile screenshots into one scroll image
Create before/after side-by-side strips
Combine scanned document pages
Combine photographs into one long image

Limitations

Extremely wide or tall results may exceed the maximum image size supported by the browser.
No layered blending—flat grid stitching only
The uploaded images are processed directly in your browser and are not sent to a server.

FAQ

Can images have different sizes?: Yes. Alignment modes control whether heights are normalized or kept natural.
Max number of images?: Limited by memory and the maximum image size supported by your browser.
Transparent gaps?: Use PNG export with a transparent background color setting when supported.