Classic Edition

ImageGlass Classic

The fast, open image viewer that photographers, developers, and power users keep on every machine.

Engineered for speed across Windows, macOS, and Linux, ImageGlass Classic combines broad format support with responsive performance on large collections.

  • Free under GPLv3
  • Windows, macOS, Linux
  • No account, no ads, no profile
ImageGlass Classic
ImageGlass Classic running across Windows, macOS, and Linux

Format Support

Open Every Image You Keep

From everyday JPEGs to next-gen JPEG XL, camera RAW, HDR, and native vector SVG, ImageGlass renders a wide range of formats in one fast, consistent viewer.

  • Sunlit coastline rendered as a JPEG sample
    Everyday PhotographyJPEG
  • City reflection rendered as a WebP sample
    Modern Web ImagesWEBP
  • Gallery scene rendered as a JPEG XL sample
    Next-Gen FormatJXL
  • Mobile photo rendered as a HEIC sample
    Phone CapturesHEIC
  • Camera raw landscape sample
    Camera WorkflowsRAW
  • Neon skyline rendered as an HDR sample
    High Dynamic RangeHDR
  • Vector illustration rendered as an SVG sample
    Native Vector ArtSVG
  • Animated illustration sample for GIF playback
    Animated PlaybackGIF

Inside the Viewer

A Complete Viewer, Not a Trial

Classic provides the complete ImageGlass viewing foundation. Every capability below comes fully included, ready for daily professional use.

  • Fast Browsing

    Predictive caching, asynchronous I/O, and hardware acceleration keep large folders scrolling without a stutter.

  • Large-Image Rendering

    Pan and zoom gigapixel scans and high-resolution exports smoothly with hardware-aware tiling.

  • Color Management

    Honor embedded ICC profiles for consistent, accurate color across supported displays.

  • HDR Image Support

    Open high-dynamic-range photos and keep their full tonal range intact while you view.

  • Built-in Tools

    Sample colors, crop, resize, and step through animated frames without ever leaving the image.

  • Make It Yours

    Theme packs, language packs, gallery layout, custom mouse actions, and fully remappable hotkeys.

  • Multi-Frame Playback

    Play animated GIF, WebP, and APNG, or export individual frames for closer inspection.

  • Cross-Platform

    One viewing experience across Windows, macOS, and Linux from a single shared modern core.

  • Built to Extend

    Develop external tools and native codec plugins on the MIT-licensed ImageGlass.SDK.

Built for Speed,
Driven by Open Source

A community-driven, cross-platform image viewer built for high-performance rendering and professional-grade workflows.

  • 7M+Downloads
  • 13K+Stars
  • GPLv3License
  • 2010Active Since

Download ImageGlass Classic

Get a fast, and open-source image viewer on your desktop. No account, no identifiers, no profile, and yours to keep.