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Glanvu is a fast, keyboard-driven, cross-platform universal image viewer and converter developed by publisher Juan García Longarón. Currently at version 0.10.0, with eight released versions documented to date, the software falls into the image viewing and image conversion category and is designed for users who need to browse and transform image collections quickly across Linux, macOS, and Windows systems. As an image viewer, Glanvu loads instantly and uses GPU acceleration to deliver smooth performance, while its keyboard-driven interface allows users to navigate entire folders of images without relying on mouse input, making it well suited to reviewing large photo libraries, sorting assets, or inspecting graphics in rapid succession. As an image converter, it includes a real batch-convert pipeline that supports crop, rotate, resize, re-quality, and rename operations, enabling users to process multiple files in a single workflow rather than editing images one at a time. This combination of viewing and conversion capabilities makes the software relevant for photographers, designers, developers, and general users who regularly handle mixed image collections and need both quick previews and repeatable transformation tasks. Glanvu supports the JPEG, PNG, WebP, GIF, BMP, and TIFF formats, covering the most common raster image types encountered in everyday and professional use. A notable technical characteristic of the application is that its format support is implemented through pure-Rust codecs, with no dependence on system C libraries, an architectural choice that distinguishes it from many traditional viewers that rely on externally installed decoding components. Because it is cross-platform, the same keyboard-centric workflow and batch-conversion features are available consistently on all three supported desktop operating systems. Overall, Glanvu positions itself as a universal tool that merges instant image browsing with practical, script-free batch conversion in a single GPU-accelerated package, with version 0.10.0 representing the current state of an actively maintained release history spanning eight versions.
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