nomacs
nomacs views common image formats such as RAW and PSD across platforms, and includes crop and resize tools.
About nomacs
nomacs is an open source image viewer for Windows, Linux, FreeBSD, Mac and OS/2. It opens common image formats, including RAW and PSD files, and includes basic editing such as cropping, resizing, rotating and color adjustments. A viewer synchronization feature applies the same panning or zooming action to several viewers, which helps when comparing two images. It is licensed under the GNU General Public License v3.
Key features
- Views common image formats, including RAW and PSD
- Crops, resizes, rotates and adjusts color
- Synchronizes panning and zooming across viewers
- Shows thumbnails, metadata and histogram in semi-transparent widgets
- Licensed under GNU GPL v3
Best for: People who need to view common image formats, including RAW and PSD files.
nomacs at a glance
- Website
- nomacs.org
- Category
- Online Tools › Image Tools
- Type
- App
- Pricing
- Free
- Platforms
- Windows, Linux, macOS
- Details verified
- Oct 21, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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