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Image Collage Maker

Combine multiple photos into a single collage.

100% free No signup required Batch processing Files deleted after 24h

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Up to 20 images · up to 50 MB each · PRO: 999 files / 50 MB · *

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All processing happens on the server. Files are deleted after 24 hours.
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Complete guide · exclusive

How Image Collage Maker works — the full guide

3 min read 571 words Updated September 2026

1What is Image Collage Maker?

Combine multiple photos into a single collage.

Image Collage Maker is part of the Pixly suite of professional image tools. It runs entirely in your browser with no software to install, requires no design experience, and delivers results in seconds — whether you are processing one image or an entire batch. Every operation is applied on the full-quality decoded image, so the output preserves the fidelity of your original file.

2How does Image Collage Maker work?

The collage engine lays your images out vertically, horizontally or in a grid with the gap and background you choose. Each cell's image is scaled (never stretched) to fit its slot using the same area resampler as the resize tool, and cells are aligned on a common baseline grid so gutters stay perfectly even.

Grid mode distributes images into N columns with balanced rows, padding the final row with empty cells of the correct size. The output canvas is composited at full resolution of the largest source images — no hidden downsampling — and encoded once from the pristine composite.

3How to use Image Collage Maker — step by step

Using Image Collage Maker takes less than a minute from upload to download. The tool card at the top of this page is the live editor — everything below explains exactly what happens behind the scenes.

  1. Step 1. Upload 2 to 9 images.
  2. Step 2. Pick a grid template.
  3. Step 3. Download the collage.

4Key features at a glance

  • Multiple grid templates
  • Adjustable spacing
  • Background color

Each feature is designed to solve a specific, real-world problem — from page-speed optimization for developers to platform-perfect sizes for social media managers. Together they make Image Collage Maker a dependable part of any image workflow.

5Pro tips for the best results

A few professional habits will get noticeably better output from Image Collage Maker:

  • Crop images to similar aspect ratios first for the most even grids.
  • A white or very light gap (8–12 px) keeps collages airy; zero gap creates a seamless patchwork.

6Who uses Image Collage Maker?

Web developers rely on it to keep pages fast — properly prepared images are the single biggest performance win most sites can make. Designers use it for the last mile of production work: format handoffs, corner rounding, frames and exports that match the platform they are shipping to.

E-commerce teams process entire product catalogs to consistent sizes and weights, which measurably improves load speed and conversion. Content creators and social media managers depend on it for daily platform-ready assets, while students and office teams use it to shrink scans and photos so they fit comfortably inside emails, forms and presentations.

7Supported image formats

Image Collage Maker works with all widely used image formats. Each format has strengths that make it the right choice for a particular job:

FormatTransparencyBest forNotes
JPG / JPEGNoPhotographs, web imagesSmall files, universal support
PNGYesGraphics, screenshots, logosLossless, pixel-crisp text
WEBPYesModern web optimization25–35% smaller than JPEG
AVIFYesNext-gen web deliverySmallest files, newest format
GIFYes (1-bit)Simple animation256 colors max
BMPNoLegacy Windows imagesUncompressed, very large

8Privacy & security

Your images stay yours. Files are transferred over an encrypted connection, processed on secure servers, and automatically deleted within 24 hours — nothing is shared with third parties and nothing is used for training or advertising. Because Pixly works in the browser, you can also process images from any device without installing software or creating an account.

9Frequently asked questions

What resolution is the collage?

It matches the combined cell sizes at full source resolution — the engine never downscales behind your back.

This article is part of the Image Collage Maker guide series.

Read full article →
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