qlImageSize
qlImageSize is a QuickLook generator extension for macOS that augments the built-in QuickLook preview system to display detailed image information inline in Finder previews. It shows file size, on-disk footprint, pixel dimensions (width and height), image format, and basic metadata for RAW camera files, HEIC, JPEG, PNG, TIFF and other common image formats. Users can quickly assess images without opening them in an editor, making it particularly useful for photographers, designers and anyone who regularly inspects large numbers of graphics files.
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1 suggestionqlImageSize is a QuickLook generator plugin developed by Whine and is not a standalone application — it is a system extension that enhances macOS's built-in QuickLook preview system. There is no separate update channel or installer for this component. To ensure qlImageSize continues working on your Mac, reinstall the extension by downloading the latest version from the vendor's website (Whine) or SourceForge, then run the installer. This will register the QuickLook generator with macOS. Since this is a relatively small utility maintained by an independent developer, confirm that a native Apple Silicon build is available from the vendor before September 2028, when Apple removes Rosetta 2 — an Intel-only QuickLook generator will stop functioning on macOS 28 and later.
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