Nomacs is a free, open source image viewer supporting multiple platforms. It can view common image formats including RAW and psd images, and is available for Windows, Linux, FreeBSD, Mac, Haiku and OS/2 under the GNU General Public License v3.
Honeyview is a fast, free image viewer for Windows supporting WebP, PSD and GIF. It includes EXIF display for JPEG, batch format conversion with resizing, animation display for GIF and WebP, and direct viewing of images in archive files without extraction. Bandisoft states there will be no more updates for Honeyview and directs users to BandiView.
G'MIC is a full-featured open-source framework for digital image processing, distributed under free software licenses. It processes generic image datasets, from 1D signals to 3D+t volumetric sequences, and offers several interfaces: a command-line tool, the G'MIC-Qt plug-in for image editors, a C++ library, an online web service and the ZArt video tool.
Raw.pics.io is an in-browser viewer and converter for RAW image formats including CR2, NEF, ARW, ORF, PEF, RAF and DNG. It converts and edits RAW, PDF and JPG files into JPEG, PNG and other formats, with resizing, compression and pixel size changes available. All processing happens in the browser, and the service is free for the first five conversions without registration.
feh is a light-weight, configurable image viewer aimed at command line users that can also be started from graphical file managers. Besides viewing images, it compiles text and thumbnail listings, shows loadable files, and sets X11 backgrounds. It offers slideshow, thumbnail, list and multiwindow modes, optional HTTP and FTP support, and is packaged for several distributions.
Pingo is an experimental lossless and lossy image optimizer for PNG, JPEG, WebP and APNG files, designed to transform image data for the Web. It runs from the command line with optimization levels and quality settings. Its license permits free use for exclusive private usage only, and does not permit repackaging, redistributing, downloading, reselling or reusing it through other services, even for non-commercial purposes.
pinga is an easy to use GUI image optimizer for PNG, JPEG and APNG that transforms image data for the Web. Its license permits exclusive private use at the user's own risk. Repackaging, redistributing, downloading, reselling or reusing pinga through any other service is not permitted, even for non-commercial or non-profit purposes, and this applies to all versions.
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Honeyview is a fast, free image viewer for Windows supporting WebP, PSD and GIF. It includes EXIF display for JPEG, batch format conversion with resizing, animation display for GIF and WebP, and direct viewing of images in archive files without extraction. Bandisoft states there will be no more updates for Honeyview and directs users to BandiView.
G'MIC is a full-featured open-source framework for digital image processing, distributed under free software licenses. It processes generic image datasets, from 1D signals to 3D+t volumetric sequences, and offers several interfaces: a command-line tool, the G'MIC-Qt plug-in for image editors, a C++ library, an online web service and the ZArt video tool.
Raw.pics.io is an in-browser viewer and converter for RAW image formats including CR2, NEF, ARW, ORF, PEF, RAF and DNG. It converts and edits RAW, PDF and JPG files into JPEG, PNG and other formats, with resizing, compression and pixel size changes available. All processing happens in the browser, and the service is free for the first five conversions without registration.
feh is a light-weight, configurable image viewer aimed at command line users that can also be started from graphical file managers. Besides viewing images, it compiles text and thumbnail listings, shows loadable files, and sets X11 backgrounds. It offers slideshow, thumbnail, list and multiwindow modes, optional HTTP and FTP support, and is packaged for several distributions.
Pingo is an experimental lossless and lossy image optimizer for PNG, JPEG, WebP and APNG files, designed to transform image data for the Web. It runs from the command line with optimization levels and quality settings. Its license permits free use for exclusive private usage only, and does not permit repackaging, redistributing, downloading, reselling or reusing it through other services, even for non-commercial purposes.
pinga is an easy to use GUI image optimizer for PNG, JPEG and APNG that transforms image data for the Web. Its license permits exclusive private use at the user's own risk. Repackaging, redistributing, downloading, reselling or reusing pinga through any other service is not permitted, even for non-commercial or non-profit purposes, and this applies to all versions.
