PhotoQt Image Viewer (mirror repo) - https://photoqt.org - main repo (for pull requests, etc.) at https://gitlab.com/lspies/photoqt
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Updated
Jan 29, 2026 - C++
PhotoQt Image Viewer (mirror repo) - https://photoqt.org - main repo (for pull requests, etc.) at https://gitlab.com/lspies/photoqt
Qt plug-in to allow Qt and KDE based applications to read/write HEIF/HEIC images.
Qt plug-in to allow Qt and KDE based applications to read/write AVIF images.
Qt plug-in to allow Qt and KDE based applications to read/write JXL images.
Library for decoding obscure graphics formats, such as Targa (.TGA), Sun raster (.RAS, .SUN), ZSoft (.PCX), Netpbm (.PPM, .PGM, .PBM, .PNM), Amiga (LBM, PIC), SGI, MacPaint, and DICOM.
Aspose.Imaging for Python examples, plugins and showcase projects
Utility Tool
DownConvert: A browser extension to view, convert, and download images and videos from websites.
Plug-in for development GIMP 2.99.11 for loading/saving AVIF images.
Plug-in for development GIMP 2.99.7, libheif-based with HEIF/HEIC and AVIF support
Plug-in for development GIMP 2.99 for loading/saving JPEG XL (JXL) images.
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