PhotoQt, a free open-source Qt5 image viewer supports for touch-screen, slideshow, and uploading to imgur.com, reached the 1.6 release earlier today.

PhotoQt 1.6 features:

• Re-structuring of code, taking better advantage of QML property bindings
• Hide most elements behind Loader items for faster start-up
• Add proper touchscreen support
• Add uploading of images to imgur.com
• Add copy images to clipboard
• Add ability to freely move main image
• Add split ‘ThumbnailKeepVisible’ setting into 1) always visible, 2) visible when image not zoomed
• Add Export/Import configuration and shortcuts
• Add handle case of directory passed on command line (instead of image)
• Add Transparency marker option
• Add one shortcut for multiple functions
• Redo ‘Open File’ element, more versatile and reliable
• Open File now has two hover preview modes: quick (uses thumbnail) or full
• Left pane of Open File element can be hidden (hides if nothing is there or window is resized rather small)
• New ‘loading image’ indicator

How to Install PhotoQt in Ubuntu:

The developer offers a PPA repository with the latest packages for Ubuntu 16.04 and Ubuntu 17.10.

1. Open terminal either via Ctrl+Alt+T or by searching for ‘terminal’ from app launcher.

When it opens, run command to add the PPA:

sudo add-apt-repository ppa:lumas/photoqt

Input your password (no visual feedback while typing) when it prompts and hit Enter to continue.

2. Then install the image viewer either via Synaptic package manager or by running commands in terminal:

sudo apt-get update

sudo apt-get install photoqt

Uninstall:

To remove the software, either use Synaptic or run command:

sudo apt-get remove --autoremove photoqt

You can remove PPA repositories via “Software & Updates” utility under “Other Software” tab.

PhotoQt is an open-source Qt based image viewer designed to be fast, simple, good looking, yet powerful and highly configurable.

This full screen image viewer features:

• Based on Qt5
• Support of many image formats (use of GraphicsMagick)
• Rotating, flipping, zooming images – no permanent changes
• Scaling images – permanent change
• Basic File Management (Renaming, Deleting, Moving, Copying)
• Keyboard and Mouse Shortcuts
• Set-as-Wallpaper function
• Slideshow feature
• Exif information
• Highly Adjustable to your custom preference
• Interface that doesn’t get into your way
• Very fast and flexible
• Thumbnail Cache
• System Tray Usage
• Command Line Options
• Several translations available
• and much more…

Install PhotoQt in Ubuntu:

The most recent release PhotoQt 1.2 brings XCF and PSB/PSD support. It’s available in PPA for Ubuntu 14.10, Ubuntu 14.04 and Linux Mint 17.

To install it, open terminal from the Dash or by pressing Ctrl+Alt+T on keyboard. When it opens, do:

1. Run command to add the PPA:

sudo add-apt-repository -y ppa:samrog131/ppa

Type in your user password when it asks.

2. Update system package cache by running command:

sudo apt-get update

3. Finally install the image viewer:

sudo apt-get install photoqt

If for some reason you want to remove PhotoQt as well as the PPA repository, run below command in terminal:

sudo apt-get remove photoqt && sudo add-apt-repository -r ppa:samrog131/ppa

That’s it.