Downloads of v 3.6.0:


Last Update:

23 Mar 2017

Package Maintainer(s):

Software Author(s):

  • Markus Diem
  • Stefan Fiel
  • Florian Kleber


admin image editor viewer jpg png svg foss cross-platform

nomacs Image Lounge

This is not the latest version of nomacs Image Lounge available.

  • 1
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3.6.0 | Updated: 23 Mar 2017



Downloads of v 3.6.0:



Software Author(s):

  • Markus Diem
  • Stefan Fiel
  • Florian Kleber

  • 1
  • 2
  • 3
nomacs Image Lounge 3.6.0

This is not the latest version of nomacs Image Lounge available.

  • 1
  • 2
  • 3

Some Checks Have Failed or Are Not Yet Complete

Not All Tests Have Passed

Validation Testing Passed

Verification Testing Passed


Scan Testing Resulted in Flagged:

This package was submitted (and approved) prior to automated virus scanning integration into the package moderation processs.

We recommend clicking the "Details" link to make your own decision on installing this package.


To install nomacs Image Lounge, run the following command from the command line or from PowerShell:


To upgrade nomacs Image Lounge, run the following command from the command line or from PowerShell:


To uninstall nomacs Image Lounge, run the following command from the command line or from PowerShell:


NOTE: This applies to both open source and commercial editions of Chocolatey.

1. Ensure you are set for organizational deployment

Please see the organizational deployment guide

  • Open Source or Commercial:
    • Proxy Repository - Create a proxy nuget repository on Nexus, Artifactory Pro, or a proxy Chocolatey repository on ProGet. Point your upstream to Packages cache on first access automatically. Make sure your choco clients are using your proxy repository as a source and NOT the default community repository. See source command for more information.
    • You can also just download the package and push it to a repository Download

3. Enter your internal repository url

(this should look similar to

4. Choose your deployment method:

choco upgrade nomacs.portable -y --source="'STEP 3 URL'" [other options]

See options you can pass to upgrade.

See best practices for scripting.

Add this to a PowerShell script or use a Batch script with tools and in places where you are calling directly to Chocolatey. If you are integrating, keep in mind enhanced exit codes.

If you do use a PowerShell script, use the following to ensure bad exit codes are shown as failures:

choco upgrade nomacs.portable -y --source="'STEP 3 URL'"

Write-Verbose "Exit code was $exitCode"
$validExitCodes = @(0, 1605, 1614, 1641, 3010)
if ($validExitCodes -contains $exitCode) {
  Exit 0

Exit $exitCode

- name: Ensure nomacs.portable installed
    name: nomacs.portable
    state: present
    version: 3.6.0
    source: STEP 3 URL

See docs at

chocolatey_package 'nomacs.portable' do
  action    :install
  version  '3.6.0'
  source   'STEP 3 URL'

See docs at

    Name: nomacs.portable,
    Version: 3.6.0,
    Source: STEP 3 URL

Requires Otter Chocolatey Extension. See docs at

cChocoPackageInstaller nomacs.portable
   Name     = 'nomacs.portable'
   Ensure   = 'Present'
   Version  = '3.6.0'
   Source   = 'STEP 3 URL'

Requires cChoco DSC Resource. See docs at

package { 'nomacs.portable':
  provider => 'chocolatey',
  ensure   => '3.6.0',
  source   => 'STEP 3 URL',

Requires Puppet Chocolatey Provider module. See docs at

salt '*' chocolatey.install nomacs.portable version="3.6.0" source="STEP 3 URL"

See docs at

5. If applicable - Chocolatey configuration/installation

See infrastructure management matrix for Chocolatey configuration elements and examples.

This package is likely a meta/virtual (*) or an installer (*.install) or portable (*.portable) application package.

  • Meta/virtual (*) - has a dependency on the *.install or the *.portable package - it is provided for discoverability and for other packages to take a dependency on.
  • Portable (*.portable/*.commandline (deprecated naming convention)/*.tool (deprecated naming convention)) - usually zips or archives that require no administrative access to install.
  • Install (*.install/*.app (deprecated naming convention)) - uses native installers, usually requires administrative access to install.

Learn more about chocolatey's distinction of installed versus portable apps and/or learn about this kind of package.

This package was approved as a trusted package on 23 Mar 2017.


nomacs is a free image viewer for windows, linux, and mac systems, which is licensed under the GNU General Public License v3. nomacs is small, fast and able to handle the most common image formats including RAW images. Additionally it is possible to synchronize multiple viewers. A synchronization of viewers running on the same computer or via LAN is possible. It allows to compare images and spot the differences (e.g. schemes of architects to show the progress).


  • Image Viewing
    • supports the most common image formats including RAW
    • fast thumbnail preview
    • zoomable grid preview of thumbnails
    • display exif information
    • framless view
    • change transparency of windows
    • display overview/histogram/file info
    • file filtering/searching/sorting
    • improved anti-aliasing
    • hide menubar and toolbar
  • Image Editing
    • crop images
    • resize images
    • pseudo color function
    • color adjustments (brightness, contrast, saturation …)
    • multi page TIFF export
    • rotate images
    • drag and drop images
    • automatically save screenshots
    • delete/rename images
    • create mosaic image
    • set wallpaper (windows only)
  • Viewer Synchronization
    • synchronize multiple instances
      • synchronized zooming
      • synchronized panning
      • synchronized next/previous file
      • overlay of two or more instances (with changing opacity)
      • arrange synchronized instances
    • synchronize multiple instances in the LAN
      • synchronized zooming
      • synchronized panning
      • images can be sent over LAN connection

See detailed nomacs features page.

$ErrorActionPreference = 'Stop'

if ((Get-ProcessorBits 32) -or ($env:chocolateyForceX86 -eq 'true')) {
   throw "This package doesn't support 32bit architecture"

$fileName  = ''
$toolsPath = Split-Path $MyInvocation.MyCommand.Definition
$zip_path = "$toolsPath\$fileName"
ls $toolsPath\* | ? { $_.PSIsContainer } | rm -Force -Recurse

$packageArgs = @{
    PackageName  = 'nomacs.portable'
    FileFullPath = $zip_path
    Destination  = $toolsPath
Get-ChocolateyUnzip @packageArgs
rm $zip_path -ea 0
md5: E4EE913E865EC525B09F45A20CF9F65C | sha1: 474380A44707D239806CD1F965C8415C974C617B | sha256: 29FA01FADBACB55DAFEEB60649D065D4BD44B48C68A44D3383D716D68D5ADBDD | sha512: 7228DE29E6870FBFB74AEDF5FCB9C7E30217E378AEADD6023BBF93DF7016BDA0175D94580422166885F8B4B22D22E010CB20D5C54A7E8E33FDE5428EB4D6DBFF

Verification is intended to assist the Chocolatey moderators and community
in verifying that this package's contents are trustworthy.

Package can be verified like this:

1. Go to


   to download the zip.

2. You can use one of the following methods to obtain the checksum: 
   - Use powershell function 'Get-FileHash'
   - Use Chocolatey utility 'checksum.exe'

   checksum64: 29FA01FADBACB55DAFEEB60649D065D4BD44B48C68A44D3383D716D68D5ADBDD

Log in or click on link to see number of positives.

In cases where actual malware is found, the packages are subject to removal. Software sometimes has false positives. Moderators do not necessarily validate the safety of the underlying software, only that a package retrieves software from the official distribution point and/or validate embedded software against official distribution point (where distribution rights allow redistribution).

Chocolatey Pro provides runtime protection from possible malware.

Version Downloads Last Updated Status
nomacs Image Lounge 3.17.2045 76 Saturday, August 8, 2020 Approved
nomacs Image Lounge 3.16.1705 86 Thursday, July 16, 2020 Approved
nomacs Image Lounge 3.15.1616 72 Monday, July 13, 2020 Approved
nomacs Image Lounge 3.15.0 52 Wednesday, July 1, 2020 Approved
nomacs Image Lounge 3.14.2 96 Monday, June 8, 2020 Approved
nomacs Image Lounge 3.12.1 374 Sunday, November 18, 2018 Approved
nomacs Image Lounge 3.8.0 415 Saturday, November 11, 2017 Approved
nomacs Image Lounge 3.6.1 399 Friday, March 24, 2017 Approved
nomacs Image Lounge 3.6.0 347 Thursday, March 23, 2017 Approved

This package has no dependencies.

Discussion for the nomacs Image Lounge Package

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  • This discussion is only about nomacs Image Lounge and the nomacs Image Lounge package. If you have feedback for Chocolatey, please contact the Google Group.
  • This discussion will carry over multiple versions. If you have a comment about a particular version, please note that in your comments.
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  • Tell us what you love about the package or nomacs Image Lounge, or tell us what needs improvement.
  • Share your experiences with the package, or extra configuration or gotchas that you've found.
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