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FastStone Image Viewer by FastStone Soft is one of the most widely-used image viewers that supports almost any possible graphics format. Despite the fact that the software is highly popular, there is still no chance of getting FastStone Image Viewer for Mac.

Introduction

Simple, minimum, yet configurable photo viewer/slideshow/digital signage software for Windows, Linux, and macOS. Inspired by feh.

Download:

Windows version is available at the Microsoft Store.

Feature:

• Multiple viewing styles: 1. Normal window view, 2. “Windowless” view with slideshow, and 3. Fullscreen view with slideshow.
• Full keyboard and mouse playback control.
• Configurable options with command line parameters and popup menus.
• Supports multiple moniters.

Usage:

Image Viewer can be launched by (1) double clicking the executable and selecting image files or (2) selecting image files or folders in the explorer, and using “send to” feature in Windows explorer (create “shortcut” file and place it to “shell:sendto” folder) or (3) command-line.

Screenshots:

Normal View (on Windows)

Normal View (on Ubuntu)

Dicom Image Viewer For Mac

Normal View (on macOS)

Windowless View (with slideshow) on Windows 10

Windowless View (with slideshow) on macOS

Free Image Viewer For Mac

Command-line options:

Image Viewer can be also launched via command-line, meaning other applications or scripts can launch Image Viewer with following options.

• Slideshow interval in seconds (default 4 seconds):
  -i 4 or --interval=4

• Slideshow random (default on):
  -r on or --random=on
-r off or --random=off

• Slideshow repeat (default on):
  -e on or --repeat=on
-e off or --repeat=off

• Slideshow start fullscreen (default off):
  -f on or --fullscreen=on
-f off or --fullscreen=off

• Slideshow transitional effect (default on):
  -t on or --effect=on
-t off or --effect=off

• Picture stretch In (fit to window/screen when the size is bigger than window/screen. default on):
  -i on or --stretchIn=on
-i off or --stretchIn=off

• Picture stretch Out (fit to window/screen when the size is smaller than window/screen. default off):
  -o on or --stretchOut=on
-o off or --stretchOut=off

• Load pictures in the sub folders as well when manually open a picture (default on):
  -u on or --includSubFolders=on
-u off or --includSubFolders=off

• Specify a moniter to show fullscreen slideshow (default 0 is the main moniter):
  -m 1 or --moniter=1

• Specify window should stay on top (default off):
  -y on or --stayOnTop=on
-y off or --stayOnTop=off

• Help shows About dialog.
  -h or --help

Command-line Useage example:

$ ImageViewer -i 2 -f on -o on -e off C:Users<USER>PicturesWallpapers

Compiled and tested on:

• Windows 10 (64bit): Lazarus 1.8.0 r56594 FPC 3.0.4 x86_64-win64-win32/win64
• Ubuntu 17.10 (64bit): Lazarus 1.8.0 rc4+dfsg-1 FPC 3.0.2 x86_64-linux-gtk2
• Ubuntu 16.04 LTS (64bit): Lazarus 1.9.0 trunk, FPC 3.0.4
• macOS 10.13.3 (64bit) High Sierra: Lazarus 1.8.0 rexported FPC 3.0.4 i386-darwin-carbon
• macOS 10.11.6 (64bit) El Capitan: Lazarus 1.9.0 carbon trunk, FPC 3.0.4