display.im6

display.im6 [options]... [file | - | {URL}]...

-help
    Print program usage summary

-version
    Print ImageMagick version info

-geometry geometry
    Window size/position (e.g., 800x600+10+20)

-resize geometry
    Resize image (e.g., 50%)

-crop geometry
    Crop to geometry (e.g., 100x100+10+20)

-rotate degrees
    Rotate image clockwise

-density geometry
    Vertical/horizontal resolution (e.g., 72x72)

-colors number
    Quantize to number of colors

-backdrop
    Center image on desktop background

-border geometry
    Surround with border (e.g., 5x5)

-bordercolor color
    Border color (e.g., #dfdfdf)

-mattecolor color
    Frame/matte color

-window id
    Display behind window ID

-remote command
    Send command to remote display.im6

-update seconds
    Reload file if changed

-delay centiseconds
    Pause between images

-visual type
    X visual (e.g., TrueColor)

-list type
    List formats/delegates/etc.

-limit type value
    Resource limit (e.g., memory 256MiB)

-verbose
    Enable verbose output

display.im6 is the legacy ImageMagick 6 command for viewing and editing images on an X11 display server. It opens one or more images from files, stdin (-), or URLs, rendering them in a resizable window with pan/zoom controls.

Interactive features include rotate, flip, crop, resize, draw lines/text, annotate, apply filters (sharpen, blur, edge detect), color adjustments (levels, gamma, hue), and montage creation. Keyboard/mouse shortcuts enable quick operations; menus provide advanced tools like visual directory browser and slideshow mode.

Command-line options customize initial view, apply transformations before display, set limits, or automate tasks. Supports 200+ formats (JPEG, PNG, GIF, TIFF, etc.). Integrates with other ImageMagick tools for pipelines.

Best for quick inspection/editing; outputs edited images via File > Save or -write. Requires X11; runs on Unix-like systems.

Requires X11 server; fails on Wayland/headless. IM6 legacy: lacks IM7 security/policies/modern formats. High-memory images may crash. Not thread-safe in scripts.

display.im6 *.png for auto-advance images.
Use Space/Backspace to navigate.

Control instance: display.im6 -remote "-rotate 90" (load/save/rotate/etc.).

Ctrl+O open, Ctrl+S save, r rotate, c crop, ? help.

ImageMagick originated 1987 (John Cristy); IM6 stable 2004-2018. display.im6 for IM6 compatibility post-IM7 (2017), which uses magick display. Widely used pre-2020; now superseded.

animate(1), convert(1), import(1), montage(1), mogrify(1)