Image tools
Image Collage Maker
Build a collage with nested rows and columns: put one large image beside two smaller images, stack images above and below, or keep splitting any selected area. Images never leave your device.
Upload images, then choose a template or add around any selected area.
Most tools process locally in your browser. Background removal uploads selected images to the configured server processor and deletes the source after processing.
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How to use
- Choose or paste JPG, PNG or WebP images. Use a template or select any area and add an image above, below, left or right.
- Select an area to replace its image, switch between full image and fill-and-crop, rotate or flip it, then adjust background, gap and margin.
- Export PNG, JPG or WebP. PNG can keep transparent background; JPG uses the chosen background colour.
Great for
- Mixed photo collages and mood boards
- Long screenshots and social media layouts
- Before-and-after, product and portfolio grids
Good to know
All processing is local. Browser memory limits apply; very large canvases are capped. This tool does not detect seams, deduplicate images or create panoramas.
Frequently asked questions
Can I mix horizontal and vertical joins?
Yes. Select an area and add images above, below, left or right. Each added area can be split again, creating nested rows and columns.
Are images uploaded?
No. Images are decoded, previewed and exported locally in your browser.
Can I export a transparent PNG?
Yes. Enable Transparent background and export PNG. JPG always receives a solid background.
Why is there empty space or cropping?
Full image mode preserves every pixel and may leave background space. Fill mode covers the area and crops overflow.
Are there output size limits?
Yes. Browser memory and a 40 megapixel safety cap limit very large exports.
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