nomacs – Image Lounge is licensed under the GNU General Public License v3
© Markus Diem, Stefan Fiel and Florian Kleber, 2011 – 2016

Windows (7/8/10)

Windows (2000/XP/Vista)

Click here for older versions

Ubuntu and Linux Mint

  • we recommend using the launchpad repository:
    First you have to add “ppa:nomacs/stable” to your repositories. After an update of the repositories you are able to install nomacs with your favorite package manager.
  • In the console you need the following commands:
    sudo add-apt-repository ppa:nomacs/stable
    sudo apt-get update
    sudo apt-get install nomacs


  • nomacs is included in the official repositories of Fedora, so just install it

Arch Linux

  • nomacs is officially available on Arch Linux, simply install it with:
  • pacman -S nomacs


Mac (Lion and Snow Leopard)


  • update your FreeBSD repository and change directory to /usr/ports/graphics/nomacs (if your repository directory is the default, otherwise change to the particular directory)
  • build and install nomacs by typing:
  • make install clean


other Linux distribution

  • If there is no package available for your favorite distribution, you have to download the sources and compile nomacs according to the compile instructions.



if you are frequently using Matlab and you want the image sync functionality of nomacs, you can download this Matlab script and add it to your Matlab folder. Matlab images can then be displayed by typing:
>> nomacs(myImg, []);
It is currently only supported on Windows (we would welcome contributions for other OS).

nomacs uses these libraries

Herbie – Diagnostics

Herbie is a small cpu monitoring tool. Download

22 thoughts on “Download”

  1. What is that bullshit that is NEED INTERNET CONNECTION to fucking install the software?
    Now even a small piece of shit image viewer software is Control Freak ?

    1. our installer does not collect any user data. the reasons for using an online installer are:
      – users (you) can choose which packages to install
      – we can guarantee that no 3rd party software (adware/malware) is added to nomacs
      – you always get the latest nomacs – no matter how old the installer is
      if you do not believe me, you could check the source:

      consider nomacs portable if this does not convince you ( and disable update checks in the preferences.

      markus (the developer)

      p.s. is there a correlation between being paranoid and using explicit language?

  2. I’ve looked for opensource crossplatform image viewer for years. And finally I’ve found it! Thank you guys! Excelent job!

  3. Wow !!!
    Nomacs is the best !!!
    It’s kind of VLC for pictures ;D
    Very happy with this new version.
    Thank developers, improving my desktop.
    Best Regards.

  4. I came here after reading an article on techsupportalert. They say there’s a 64-bit version of nomacs but i cant seem to find here. Then, I googled and found on sourceforge or github (cant really remember) a 64-bit edition of nomacs version 2.5 beta. Currently its on version 3. When I try to install this version 3 from it tries to install on a x86 program folder. So, Im confused. Is it 64 or 32 after all?

    1. Using the new installer (version >= 3.0) you can chose during installation whether to use 32 or 64 bit. We know that the installation folder is always x86 (even for 64 bit), but due to some reasons we have not changed this. The portable version is 64 bit. You can always check if your version is 32 or 64 bit by taking a look in the “?->About nomacs” dialog … if [x64] is added to the version number it is the 64bit version

      1. Sourgeforce lately was heavily criticized by several open source projects for hijacking those projects’ installers and injecting adware in them. Might be true, might be FUD…

        ex. :

        Some people started to dislike downloading software from sourceforge.

          1. Oh yes, seen the news now, the last missing 10 are on their way to paypal… 😉 (not this^ name, though).

  5. Every once in a while a product comes out that revolutionizes how the public interacts through that eras present form of communicating.
    This has been done by nomacs by allowing people to view (and edit) their images with its “appergonomic” ease.
    It might not be the most feature rich image viewing program but it’s like a well made puzzle.
    Piece by piece, plugin by plug-in features will be added by those that were attracted to nomacs by its ease of use therefore making sure each plugin is finely tuned to maintain nomacs most important feature, to allow one to use a compu’r without
    punching, kicking or cursing at an inanimate object.

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