What is Image Combiner?

Image Combiner lets you merge multiple images into a single image quickly and easily. Whether you need to place images side by side, stack them vertically, or arrange them in a grid, this tool handles it all directly in your browser.

Perfect for creating comparison images, photo collages, product showcases, or combining screenshots for documentation.

Who Is This For?

Designers

Quickly combine mockups or design variations for comparison

Marketers

Create before/after images or product grids for social media

Developers

Stitch screenshots together for bug reports or documentation

Anyone

Merge photos without installing any software

How to Use Image Combiner

Upload Your Images

Drag and drop images onto the upload area, or click to browse your files. You can upload up to 20 images at once. Supported formats include PNG, JPG, WebP, and GIF.

Choose a Layout

Select how you want your images arranged:

Horizontal — images placed side by side in a row
Vertical — images stacked on top of each other
Grid — images arranged in a grid with 2 to 6 columns

Adjust Settings

Fine-tune the result with these options:

Gap — add spacing between images (0 to 100 pixels)
Resize Mode — choose Fit (preserve ratio), Stretch (fill exactly), or Crop (center-crop to fill)
Background — use transparent or pick a custom color

Reorder (Optional)

Drag the thumbnails to rearrange the order of your images. The preview updates in real time.

Download

Choose your export format (PNG, JPG, or WebP) and click the Download button to save the combined image.

Features

Three Layout Modes

Arrange your images horizontally, vertically, or in a customizable grid. Grid mode lets you choose between 2 and 6 columns for flexible layouts.

Drag-and-Drop Reorder

Simply drag thumbnails to rearrange the order of your images. The preview updates instantly so you can see the result right away.

Adjustable Gap

Control the spacing between images from 0 to 100 pixels using a slider or direct input. Set to 0 for seamless joins or add spacing for a cleaner look.

Smart Resize Modes

Handle images of different sizes with three resize options:

Fit — preserves the original aspect ratio and centers the image within its cell
Stretch — stretches the image to fill the entire cell
Crop — center-crops the image to fill the cell while maintaining its aspect ratio

Background Options

Choose a transparent background to preserve alpha channels, or pick any custom color for the gaps and empty areas.

Multiple Export Formats

Download your combined image in PNG (with transparency support), JPG (smaller file size), or WebP (modern compression).

Your Data Stays Private: All processing happens in your browser. No uploads — images never leave your device. No tracking — we don't collect usage data.

Frequently Asked Questions

How many images can I combine at once?

You can combine up to 20 images in a single session. This limit helps ensure smooth performance in your browser.

What image formats are supported?

You can upload PNG JPG WebP GIF files. The combined result can be exported as PNG, JPG, or WebP.

Can I keep a transparent background?

Yes. The transparent background option is enabled by default. Export as PNG or WebP to preserve transparency.

Note: JPG does not support transparency — selecting JPG will automatically disable the transparent option.

What is the difference between Fit, Stretch, and Crop?

Fit keeps the original proportions and may leave empty space around the image
Stretch distorts the image to fill the available space
Crop fills the space while keeping proportions, cutting off parts that don't fit

Are my images uploaded to a server?

No. Everything is processed locally in your browser. Your images never leave your device.

Can I reorder images after uploading?

Yes. Simply drag the thumbnails to rearrange them in any order you prefer. The preview updates in real time.