ImageGlass is a free open-source image viewer by Duong Dieu Phap that opens HEIC, RAW, WebP, JPEG XL and around ninety other formats with no extra codecs installed, alongside an optional paid Pro tier most people will not need.

ImageGlass screenshots

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How to Download ImageGlass

Pick your file - the one marked Recommended fits your device.
Main link goes to the developer's site - the file downloads straight from there.
Run the installer and follow the steps. Not starting? Try another server or a different browser.

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