nomacs(1)

📦
version 3.22.1 · 2 versions
  • 3.22.1 · alpine 3.24, debian trixie, epel 10, fedora 43, fedora 44, nixpkgs unstable, opensuse-leap 16.0, ubuntu noble, ubuntu questing, ubuntu resolute, ubuntu stonking (latest)
  • 3.12.0 · ubuntu jammy
, in alpine 3.24, debian trixie, epel 10, fedora 43, fedora 44, nixpkgs unstable, opensuse-leap 16.0, ubuntu noble, ubuntu questing, ubuntu resolute, ubuntu stonking

✨ NAME ✨

okay bestie, meet nomacs 💖 it's a free, open source image viewer and it runs on multiple platforms. that's the whole vibe, that's the name, we're done here. (it's the nomacs manual, section 1, iykyk 🎀)

🌸 SYNOPSIS 🌸

nomacs [file]

that's it. that's the summoning ritual. 🦋

💅 DESCRIPTION 💅

okay so. nomacs is a free, open source image viewer, and it supports multiple platforms. not one platform. not two. multiple. it's giving versatility. 👑

you can use it to view all common image formats, and yes that includes RAW and psd images, because it does not play games. 🫶

it also comes with image manipulation methods for adjusting brightness, contrast, saturation, hue, gamma, and exposure. that's six whole knobs, go wild. ✨

then there's the pseudo color function, which lets you create false color images. very artsy. very demure. very mindfully unhinged. 🌈

and now for the feature that is genuinely the main character: synchronization of multiple instances. 🎀 with this you can easily compare images by zooming and/or panning at the exactly same position, or even by overlaying them with different opacity. comparing images has never been this iconic, fr fr. 💅

nomacs is licensed under the GNU General Public License v3 and is available for Windows, Linux, FreeBSD, and OS/2. it is free for private and commercial use. no cap. 💖

🔥 OPTIONS 🔥

here's the full list of options you can use, but bestie listen — the minimum usage is literally just supplying the file or folder path to nomacs. that's the low-effort entry point. 🦋

  • --batch <batch-settings-path> — batch processing of <batch-settings.pnm>. ✨
  • --batch-log <log-path.txt> — saves the batch log to <log-path.txt>. 📝
  • -d, --directory <directory> — loads all the files in the <directory>. all of them. every single one. 👀
  • -f, --fullscreen — starts in fullscreen. go big or go home. 🖥️
  • -h, --help — displays help on the commandline options. your little cheat sheet. 💜
  • --help-all — displays help including the Qt specific options. the deep lore version. 🧚
  • --import-settings <settings-path.ini> — imports the settings from <settings-path.ini> and saves them. 🎀
  • -m, --mode <default | frameless | pseudocolor> — sets the viewing mode to <mode>. three flavours, pick your fighter. 💅
  • -p, --private — starts in private mode. 🤫
  • --pong — starts Pong. yes. that Pong. the devs said "and what if" and honestly? ate. 🔥
  • --register-files — registers file associations (Windows only). 🪟
  • --slideshow — starts slideshow playback. 🍓
  • -t, --tab <images> — loads <images> into tabs. tabs upon tabs upon tabs. 🗂️
  • -v, --version — displays version information. 🌟

🌈 ARGUMENTS 🌈

you can supply an image file to nomacs and it will open it immediately. no waiting, no loading screen drama, just instant. ⚡

💖 SEE ALSO 💖

you may also find more detailed online documentation on the project homepage and the Git repository. go read, bestie, it's good for you. 📚

👑 AUTHORS 👑

the icons who made this happen, show them some respect:

  • Markus Diem <markus@nomacs.org>
  • Stefan Fiel <stefan@nomacs.org>
  • Florian Kleber <florian@nomacs.org>

and that's the whole page, bestie!! 🫶 this was nomacs(1), dated October 24, 2022, and it's part of the nomacs - ImageLounge manual family. mwah, go view some images. 💅✨

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