A Fast, Seamless Photo Viewer

ImageGlass is a fast, open-source, modern image viewer for 90+ formats, built for smooth browsing across Windows, macOS, and Linux.

ImageGlass
ImageGlass interface preview

Seamless Viewing Experience

Immersive viewing experience with professional-grade tools, fast speed, and high-performance rendering for seamless, cross-platform support.

Format Support

Open the Images You Actually Keep

JPEG, WebP, JPEG XL, HEIC, GIF, SVG, RAW, HDR and other formats feel like part of one fast viewer, not separate workflows.

Navigation

Browse Large Folders at Speed

A super fast navigation engine, asynchronous I/O, predictive caching, and hardware acceleration keep rapid scrolling responsive.

Personalization

Make the Viewer Feel Yours

Theme packs, language packs, toolbar placement, gallery layout, mouse actions, and hotkeys shape the workspace around the way you browse.

Tools

Built-in Tools Stay with the Image

Color sampling, crop, resize, and frame navigation live inside the viewing flow for quick edits and animated image control.

Viewing Foundation

A Stronger Core for Daily Viewing

ImageGlass strengthens large-image stability, color management, HDR support, animation playback, and administration features.

Modern Core

One Viewer Across Desktops

ImageGlass brings a unified viewing experience to Windows, macOS, and Linux from one shared modern codebase.

Format Support01 / 06

Open the Images You Actually Keep

JPEG · Natively view a wide variety of image formats without needing to install additional codecs or plugins.

ImageGlass
Generated sunlit coastline sample for JPEG support

Classic and Pro

Choose Your Edition

Pick the edition that matches how you work, from open everyday viewing to advanced workflow and admin controls.

Standard

ImageGlass Classic

The fast, open-source image viewer for everyday users and hobbyists.

  • Complete viewer foundationWide-range formats, predictive caching, and color management.
  • Built-in daily toolsColor picker, crop, resize, and step through animated frames seamlessly.
  • Endless customizationCustom themes, language packs, app layout, and fully remappable hotkeys.
  • Open extensibilityDevelop external tools and native codec plugins on the ImageGlass.SDK
  • Cross-platform app deliveryOne viewing experience across Windows, macOS, and Linux.

Professional

ImageGlass Pro

Advanced workflow layer for professional users, and managed deployments.

  • Free & Margin PanningPan freely past the edges of a photo and add margin space around it.
  • HDR Tone MapperMap HDR photos onto any display with a dedicated tone curve.
  • File WatcherKeep the open photo and folder reacting the instant a file changes.
  • Settings lockEnforce a chosen set of settings from an administrator configuration file.
  • Features lockStandardize or restrict app capabilities for managed environments.

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
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