Processed locally in your browser — nothing is uploaded.
Collage Maker
Quick answer
Combine several photos into one image using a grid, a strip, or an automatically sized mosaic, with control over spacing, background color, and corner rounding.
What the collage maker does
Four layout modes cover the common collage shapes. Grid arranges photos into even rows and columns. Horizontal strip lines them up side by side in a single row, which suits a before-and-after sequence or a set of product angles. Vertical strip stacks them top to bottom instead. Mosaic arranges a set of differently proportioned photos into a tightly packed layout without forcing every cell to be the same size.
Beyond picking the layout, you control the gap between photos, the background color that shows through that gap, and a corner radius applied uniformly to every cell for a softer, rounded look instead of hard rectangular edges. All of this composites in real time in the preview, so you can see the finished layout before committing to an export.
The finished collage exports as either PNG, which keeps rounded corners and any transparency clean and lossless, or JPEG, which produces a smaller file for a collage made entirely of photographic content with no transparency to preserve.
How to use it
Add your photos
Upload the images you want combined; order can usually be adjusted afterward.
Pick a layout
Choose grid, horizontal strip, vertical strip, or mosaic depending on how many photos you have and the shape you want.
Adjust spacing and style
Set the gap size, background color, and corner radius to taste.
Export
Choose PNG for a lossless result with clean rounded corners, or JPEG for a smaller file size.
Your images never leave your device
Real estate agents combining several room photos into one listing image, or someone assembling a private family photo collage as a gift before it has been shown to anyone, are both working with source photos they would rather not upload to a stranger service just to arrange them side by side. The compositing runs on a canvas in your browser, so the individual source photos never leave your device during layout.
- No file is ever uploaded to a server
- Works offline after the first visit
- No account, no watermark, no limits
Format and quality tips
Match aspect ratios within a grid layout
Grid mode looks most consistent when the source photos share a similar aspect ratio; mixing a tall portrait shot with a wide landscape shot in the same grid forces awkward cropping to fill each cell evenly. Mosaic mode handles mixed proportions more gracefully.
Keep gaps proportional to output size
A gap that looks right in a small preview can look oversized once exported at full resolution, or too thin to register at all. Check the gap at the actual export size, not just in the on-screen preview, before finalizing.
Frequently asked questions
How many photos can I put in one collage?
There is no fixed cap in the tool itself; practical limits come from readability once a grid gets very dense and from your device memory when handling many large source files at once.
What is the difference between grid and mosaic layout?
Grid forces every photo into an equally sized cell in rows and columns, while mosaic packs photos of different original proportions together more tightly without uniform cropping.
Should I export my collage as PNG or JPEG?
PNG keeps rounded corners and any transparent background pixel-perfect and lossless; JPEG produces a smaller file and suits a collage made entirely of photographic content with square corners and no transparency.
Can I change the order of photos after adding them?
Yes, photos can be rearranged before export, which matters for strip layouts where the left-to-right or top-to-bottom order is visually meaningful.
Why do my photos look cropped strangely in the grid layout?
Grid cells are a fixed shape, so a photo with a different aspect ratio than the cell gets cropped to fill it; mixing very tall and very wide photos in the same grid tends to produce the most noticeable cropping.
Can I add a background color instead of leaving the gaps white?
Yes, the background color behind the gaps between photos is fully adjustable to any color you choose.
Further reading
- How to Watermark Photos: A Practical GuideA watermark buys you attribution and friction, not protection. Here is how to place, size and batch one so it actually reads — and an honest look at what metadata credit can and cannot do.6 min read
- How to Blur Faces and Redact Photos ProperlyA blur only protects you if the hidden pixels are gone from the exported file — and if the blur is strong enough that nobody can rebuild what was under it. Here is how to get both right.7 min read
- Favicon Sizes and Formats: A Complete GuideYou need fewer favicon sizes than most generators produce, but the ones you need are specific. Here is what each size is for, the exact HTML and manifest, and why a full logo turns to mush.6 min read