nomacs icon
nomacs icon

nomacs

 227 likes

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 screenshot 1

License model

  • FreeOpen Source

Application types

Platforms

  • Mac
  • Windows
  • Linux
  • FreeBSD
  • Flathub
4.6 / 5 Avg rating (31)
227 likes
28comments
0 news articles

Features

Suggest and vote on features

Properties

  1.  Lightweight
  2.  Customizable
  3.  Privacy focused

Features

  1.  Multiplatform
  2.  Image browser
  3.  Crop images
  4.  Support for SVG
  5.  RAW Photo Editors
  6.  Ad-free
  7.  Extensible by Plugins/Extensions
  8.  Portable
  9.  Dark Mode
  10.  No registration required
  11.  Frameless
  12.  Open PSD files
  13.  Multi panel
  14.  Built-in editor
  15.  Works Offline
  16.  Batch processing
  17.  Auto-Refresh
  18.  Image Sharing

nomacs News & Activities

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Recent activities

  • doctorredits_here, thejfex and 05dcx45x60 liked nomacs
    about 8 hours ago
  • AlesRFK rated nomacs  
    about 1 month ago
  • AlesRFK and natehime liked nomacs
    about 1 month ago
  • App icon
    POX added nomacs as alternative to Madamiru
    about 2 months ago
  • Attila_Joseph_Philip and mattved-com liked nomacs
    2 months ago
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nomacs information

AlternativeTo Categories

Photos & GraphicsWeb Browsers

GitHub repository

  •  2,154 Stars
  •  158 Forks
  •  393 Open Issues
  •   Updated Feb 8, 2025 
View on GitHub

Our users have written 28 comments and reviews about nomacs, and it has gotten 227 likes

nomacs was added to AlternativeTo by lama on Jun 5, 2012 and this page was last updated May 10, 2024.

Comments and Reviews

   
 Post comment/review
Comment summary: Nomacs is praised for its fast, lightweight, and cross-platform nature. Users highlight its intuitive interface, batch processing capabilities, and efficiency. It's considered an excellent alternative to IrfanView, especially for Linux users. Concerns include slower performance on Windows compared to competitors and potential discontinuation due to a lack of updates. Some users report issues with usability on Mac. Overall, it remains a favored option for many due to its simplicity and effectiveness.
01101001b
  
Top positive commentDec 20, 2018

Very complete. Easy, small and simple. One feature to underline is you can print images from it. Strange as it sounds, there's a bunch of good image viewers and editors in linux but astoundingly, many lack that option.

12
lau22
  
Top negative commentSep 11, 2024

Appears to be discontinued. No release for more than 4 years and open source repository is very quiet.

0
szpijon
CommentAug 19, 2024

Open source, has all the tools that I need from a image viewer, is lightweight, easy to navigate, fast and simple

0
TBayAreaPat
  
ReviewJul 18, 2024

Very good simplified image editor/cropper.
Two requests: 1. pdf cropper ability 2. change the icon.. I am keenly aware of the issues of those struggling with alcohol which is a major epidemic

0
mdvhimself
  
Positive commentMay 17, 2024

so far so good. excellent for laptops that are either lower end or like mine: running on low performance to save battery. the ui is rather similar to imageglass, just runs faster. honestly, everything is better than the built in microsoft viewer.

0
cybermale
  
Positive commentJan 25, 2024

Works great. Multiplatform is a plus.

0
scaredy-cat
  
Negative commentDec 4, 2023

I've just tried nomacs on a Mac, and it is unusable as a picture viewer:

  • "Fit to screen" is unstable: it can switch off by itself with no possibility to switch it back easily;
  • Browsing arrows are unstable - sometimes they just stop working;
  • You can easily put it in a mode where only a screen area matching the original image is usable - the existence of this mode makes no sense at all, but how to switch it off is unclear.
-1
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7 of 28 comments

What is nomacs?

nomacs is a small, fast image viewer 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).

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