montage

creates composite images by joining multiple images together

TLDR

Create image grid

$ montage [*.jpg] [output.jpg]

Specify tile layout

$ montage [*.jpg] -tile [3x2] [output.jpg]

Set thumbnail size

$ montage [*.jpg] -geometry [200x200+5+5] [output.jpg]

Add labels

$ montage [*.jpg] -label "%f" [output.jpg]

Set background color

$ montage [*.jpg] -background [white] [output.jpg]

Add border

$ montage [*.jpg] -border [5] -bordercolor [gray] [output.jpg]

SYNOPSIS

montage [options] input-files output-file

montage creates composite images by joining multiple images together. Part of ImageMagick, it arranges images in a grid, optionally with labels, borders, and shadows.
The tool is useful for creating contact sheets, thumbnails galleries, and image collages.

PARAMETERS

-tile colsxrows

Grid layout.

-geometry WxH+x+y

Thumbnail size and spacing.

-label string

Label for each image.

-title string

Title for montage.

-background color

Background color.

-border geometry

Border size.

-bordercolor color

Border color.

-shadow

Add shadow.

-frame geometry

Add frame.

-mode type

Frame style.

CAVEATS

Many images can use lots of memory. Label formatting has special syntax. Output format from extension. Quality settings affect size.

HISTORY

montage is part of ImageMagick, created by John Cristy in 1987. It provides contact sheet functionality that was common in photography workflows.