Image Collage Maker
Image ToolsCombine multiple photos into a single collage image using grid or custom layouts with adjustable spacing and borders.. Free, private — all processing in your browser.
This tool is coming soon. Check back later!
The Image Collage Maker combines multiple photos into a single composite image using configurable grid layouts. Perfect for wedding announcements, family photo displays, before/after comparisons, product variant showcases, or Instagram-style grids. Choose from preset layouts (2x2 grid, 3x3 grid, vertical strip, horizontal strip, custom arrangement), adjust spacing between photos, add borders, and configure background color.
Upload 2-16 photos, drag to arrange in the layout, configure spacing and borders, and download the composite. The tool handles automatic image sizing to fit the chosen layout. All processing runs in your browser using Canvas — photos stay local.
Image Collage Maker — key features
Layout presets
2x1, 2x2, 3x3, 4x4 and many other grids pre-configured.
Drag to arrange
Position photos in cells via drag and drop.
Configurable spacing
Adjust gaps between cells from 0 to 50+ pixels.
Borders
Add border around collage or around individual cells.
Background color
Fill gaps and borders with any color.
Image fitting options
Cover (crop), contain (letterbox), or stretch to fit cells.
Social media sizes
Preset outputs optimized for Instagram, Facebook, Twitter, Pinterest.
Client-side only
Photos stay in your browser.
How to use the Image Collage Maker
- 1
Choose layout
Pick a grid template (2x2, 3x3, etc.) or custom layout.
- 2
Upload images
Drop 2-16 photos depending on layout.
- 3
Arrange
Drag photos to different cells if needed.
- 4
Configure spacing and borders
Adjust gap between cells and border thickness.
- 5
Download
Save the collage as PNG or JPG.
Common use cases for the Image Collage Maker
Social media
- →Instagram grid: Create 3x3 collage for a single Instagram post that looks like a 9-photo grid.
- →Before/after: 2-photo horizontal comparison for transformation posts.
- →Weekly recap: Collage of the week’s moments for social media update.
Personal
- →Family photos: Combine family photos into single keepsake image.
- →Wedding announcement: Multi-photo collage for wedding announcements or thank-you cards.
- →Travel memories: Trip photo collage for sharing or printing.
Business and marketing
- →Product variants: Show different colors or styles of a product in one image.
- →Team photos: Combine staff headshots into team grid for about page.
- →Event recap: Summary collage of event highlights for recap posts.
Image Collage Maker — examples
2x2 family grid
Four photos in square.
4 family photos, 10px gap, white background
square collage, 2x2 grid with visible gaps, suitable for sharing
Instagram 3x3
9-photo grid for Instagram.
9 photos, no gap (seamless), 1:1 aspect
single square image appearing as 9 individual posts
Before/after
Horizontal comparison.
2 photos side by side, clear separator
wide image with two photos, dark line between
Photo wall
4x4 mosaic.
16 photos, minimal spacing
large collage with 16 cells, great for memories recap
Dominant + thumbs
One big, three small.
1 large photo + 3 thumbnails
composite with main photo dominating and 3 smaller supporting images
Technical details
Collage creation uses Canvas compositing:
1. Determine output canvas dimensions based on chosen layout
2. Calculate cell positions within the layout grid
3. For each cell:
- Load the assigned image
- Resize or crop to fit cell
- Draw at cell position
4. Add gaps (spacing) between cells if configured
5. Add borders around cells or whole collage if configured
6. Export as PNG or JPG
Layout presets:
- 2x1 (horizontal): two photos side by side
- 1x2 (vertical): two photos stacked
- 2x2 grid: four photos in square grid
- 3x2 or 2x3: six photos in rectangle
- 3x3: nine photos in square (Instagram-style)
- 4x4: sixteen photos for large grids
- Custom: user-defined rows and columns
Cell sizing:
- Uniform: all cells same size
- Dominant + thumbnails: one large cell plus smaller supporting cells
- Custom sizes: user-specified per cell
Image fitting within cells:
- Cover: fill cell, crop excess (preserves aspect but crops)
- Contain: fit within cell, letterbox empty space
- Stretch: fill exactly, ignores aspect ratio
- Smart crop: use face detection or saliency to crop intelligently
Spacing (gaps): gutter between cells in pixels. Common values: 0 (no spacing, tight), 5-10 (subtle), 20+ (prominent separation).
Border: outline around whole collage or individual cells. Configurable color and width.
Background color: fills spaces between images. White, black, or custom.
Aspect ratio: output aspect ratio determined by layout and cell aspect ratio. Output might be square (3x3 with square cells), wide (3x2 with landscape cells), etc.
Social media optimization: 1:1 (Instagram post), 9:16 (Stories, Reels), 4:5 (Facebook feed), 16:9 (YouTube thumbnails).
Performance: collage creation is moderately computationally intensive because multiple images are loaded, resized, and composited. 4-9 images take seconds.
File size: output is roughly the sum of component image sizes compressed. Larger grids with high-res inputs can produce multi-megabyte outputs.
Common problems and solutions
⚠Photos cropped unexpectedly
Cover mode crops to fit cells, potentially losing important parts of photos. Use contain mode (letterboxing) or smart crop to avoid cutting faces or subjects.
⚠Aspect ratio mismatch
Portrait photos in landscape cells crop badly. Match cell aspect ratio to photo orientation, or crop photos to uniform aspect first.
⚠Large file output
Combining many high-res photos produces large output files. Resize input photos before combining if smaller output is needed.
⚠Inconsistent color
Photos with different color casts (warm vs cool, indoor vs outdoor) look jarring together. Apply color correction first for consistency, or embrace the variety.
⚠Spacing too large
Heavy gaps break visual flow. Subtle gaps (5-15px) usually look best; 0 gap for seamless grids.
⚠Border vs gap
Border (outline around whole collage) differs from gap (spaces between cells). Configure both independently for desired look.
⚠Order matters
Cells are numbered left-to-right, top-to-bottom. Upload order or drag assignment determines which photo goes where. Verify in preview before downloading.
Image Collage Maker — comparisons and alternatives
Compared to Canva, PicCollage, or Collage Maker apps, this tool is simpler and free. Specialty apps offer more templates and effects; this tool handles the grid-collage case well.
Compared to Photoshop or GIMP manual layouts, this tool is much faster for quick collages. Editors give pixel-perfect control; this tool is for fast composition.
Compared to phone collage apps, this tool preserves image quality better (no mobile compression). Phone apps convenient for immediate sharing; this tool for quality-conscious users.
Frequently asked questions about the Image Collage Maker
▶How many photos can I combine?
From 2 (minimum for a collage) to 16 (for 4x4 grids). Custom layouts can support more, but 6-9 photos usually produces the cleanest results.
▶What aspect ratio should I use?
Depends on destination. 1:1 square for Instagram posts. 16:9 for Twitter or Pinterest. 9:16 for Stories. 4:5 for Facebook feed. The tool offers platform-optimized presets.
▶Will photos be cropped?
Depends on fitting mode. Cover mode crops to fill cells. Contain mode letterboxes with background color. Match cell aspect ratio to photos for no cropping.
▶Can I vary cell sizes?
Yes, with custom layouts or specific presets (dominant + thumbnails). Standard grids have uniform cells.
▶What about spacing between photos?
Configurable gap (gutter) from 0 (seamless) to 50+ pixels (prominent separation). 5-15 pixel gaps usually look best.
▶Is my image private?
Yes. All processing runs in your browser. Photos never leave your machine.
▶What output format?
PNG (larger, lossless) or JPG (smaller, lossy). JPG is typical for photo collages; PNG if you need transparency or perfect quality.
▶Can I edit after creating?
Once created, the collage is a single image. You’d need to recreate from source photos to make changes. Keep originals separate for re-editing.
Additional resources
- MDN Canvas composite — Canvas compositing operations used for collage construction.
- Instagram grid posts — Guide to creating multi-photo grids for Instagram.
- CSS Grid Layout — CSS grid background concepts applicable to collage layouts.
- Photography composition — Photography principles relevant to combining photos effectively.
- Social media sizes — Up-to-date platform-specific image dimensions.
Related tools
All Image ToolsImage Border Adder
Add customizable borders and frames to images with choice of color, width, style, and rounded corners for polished presentation.
Image Compressor
Compress JPG, PNG, WebP images — reduce file size by up to 90%
Image Cropper
Crop any image with drag-to-select interface, aspect ratio presets (1:1, 16:9, 4:3), and precise pixel-level control.
Image Flipper
Flip images horizontally (mirror) or vertically with lossless quality, supporting all common image formats.
Image Overlay Text
Add text overlays to any image with customizable font, color, size, position, shadow, and background for memes and social media.
Image Resizer
Resize PNG, JPG, WebP images by pixels or percentage with aspect lock
Learn more
Explore more tools
200+ free tools that run in your browser.
Browse all tools →