nomacs - Image Lounge

nomacs - Image Lounge 3.22.4

nomacs is a free, open source image viewer, which supports multiple platforms. You can use it for viewing all common image formats including RAW and psd images.

  • By TU Wien
  • Open Source
  • Updated Oct 1, 2026
Download for Windows

About nomacs - Image Lounge

nomacs is a free, open source image viewer, which supports multiple platforms. You can use it for viewing all common image formats including RAW and psd images.
nomacs features semi-transparent widgets that display additional information such as thumbnails, metadata or histogram. It is able to browse images in zip or MS Office files which can be extracted to a directory. Metadata stored with the image can be displayed and you can add notes to images. A thumbnail preview of the current folder is included as well as a file explorer panel which allows switching between folders. Within a directory you can apply a file filter, so that only images are displayed whose filenames have a certain string or match a regular expression. Activating the cache allows for instantly switching between images.
nomacs includes image manipulation methods for adjusting brightness, contrast, saturation, hue, gamma, exposure. It has a pseudo color function which allows creating false color images. A unique feature of nomacs is the synchronization of multiple instances. With this feature you can easily compare images by zooming and/or panning at the exactly same position or even by overlaying them with different opacity. nomacs is licensed under the GNU General Public License v3 and available for Windows, Linux, FreeBSD, Mac, and OS/2. It is free for private and commercial use. If you want to report any bugs or request new features please use our tracker.

What's new in 3.22.4

Security updates in libraries used by nomacs on Windows.
Anti-malware scan:
https://www.virustotal.com/gui/file/a6645a9cc94c40e2b5a612580cb3f4038c6b02bd69f6907b7cc6d52293a95504
https://www.virustotal.com/gui/file/2be8a8b3b58491771a2e5ae2afb1698078f71bc4a81c75e2b2233ab7dd49b07a

Full release notes »

Technical details

PublisherTU Wien
AuthorMarkus Diem, Stefan Fiel, Florian Kleber
Version3.22.4
Release date2026-10-01
LicenseGPL-3.0
Installer typewix
Architecturex64
Package IDnomacs.nomacs

Links & install command

Install nomacs - Image Lounge from the command line with Windows Package Manager (winget):

winget install --id=nomacs.nomacs -e

imagephotopicturereaderviewer

Older versions

  • 3.22.3
  • 3.22.2
  • 3.22.1
  • 3.22.0
  • 3.16.1709