nomacs
About nomacs
nomacs is a free, open source image viewer available for Windows, Linux, FreeBSD, Mac, Haiku, and OS/2. It supports viewing common image formats including RAW and PSD files.
The software is licensed under the GNU General Public License v3. It includes features for basic image viewing and supports plugins for extended functionality. The project provides continuous builds for Windows, Linux, and macOS.
Key features
- Supports viewing RAW and PSD image formats
- Includes plugins for extended functionality like paint-on-image
- Optional support for reading images from zip files
- High-quality thumbnails and histogram display
- Multi-page TIFF support
- Available for multiple operating systems
Download 3.22.1
Apr 17, 2026Frequently asked questions
- Is nomacs free?
- Yes. nomacs is free and open-source software, distributed under the GPL-3.0 license.
- Which platforms does nomacs support?
- nomacs provides downloads for Windows, macOS.
- What is the latest version of nomacs?
- The latest version is 3.22.1, released on Apr 17, 2026.
- What platforms does nomacs support?
- nomacs is available for Windows, Linux, FreeBSD, Mac, Haiku, and OS/2.
- How do I install nomacs?
- Pre-built packages are available for download from the project's GitHub releases page. For Linux systems, you can also build from source using cmake and make.
- What license does nomacs use?
- nomacs is licensed under the GNU General Public License v3.
- Does nomacs support plugins?
- Yes, nomacs supports optional plugins that provide additional features like paint-on-image functionality. These are enabled by default if the plugins submodule is present during build.
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