FastRawViewer vs ImageGlass

FFastRawViewer7.7Visit ImageGlass7.6Visit

Higher score F FastRawViewer #10 in Photo Viewer Software 7.7/10 30-day trial Free trial✓ 4 of 5 features Visit FastRawViewer

vs

ImageGlass #11 in Photo Viewer Software 7.6/10 Free plan · 14-day trial Free planFree trial✓ 3 of 5 features Visit ImageGlass

• FastRawViewer fits best

  RAW-focused photographers on Windows or macOS

• ImageGlass fits best

  Free multi-platform format coverage

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Side by side

Feature	FFastRawViewer 7.7/10 Visit ↗	ImageGlass 7.6/10 Visit ↗
At a glance
Editor score	7.7	7.6
Ranking	#10 in Photo Viewer Software	#11 in Photo Viewer Software
Best for	RAW-focused photographers on Windows or macOS	Free multi-platform format coverage
Pricing model	Paid	Free plan + paid
Starting price	—	$99/seat/yr
Free plan	—	✓ (best)
Free trial	30 days	14 days
Free trial length	30 days	14 days
Deployment	Desktop	Desktop
Platforms	Windows, macOS	Windows, macOS, Linux
Support	Community, Docs	Email, Community, Docs, Tickets
Built for	Solo, Small business	Solo, Small business, Mid-market, Enterprise
Features FastRawViewer 4/5 · ImageGlass 3/5
RAW image support	✓	✓
Side-by-side compare	✓ (best)	—
Contact sheets	Not checked yet	Not checked yet
Color management	✓	✓
Metadata viewer	✓	✓
Specs
Supported platforms	Windows, macOS	Windows, macOS, Linux
Our review
Pros	Direct RAW rendering with histograms and exposure statistics Ratings, labels, filtering, and XMP metadata editing ICC color management with multi-window viewing	Opens more than 90 formats, including RAW, SVG, HEIC, and WEBP Free Classic plan is open source under GPLv3 Color management, metadata viewing, plugins, and basic editing tools
Cons	Paid product with no free plan Desktop-only support for Windows and macOS No built-in AI features	Side-by-side A/B comparison is still in development Basic HDR support may not meet advanced imaging workflows Pro purchases are final and non-refundable
Our verdict	FastRawViewer is a desktop photo viewer for photographers who need to review and cull RAW files before editing. It renders RAW data directly rather than relying only on embedded JPEG previews, while also supporting JPEG, TIFF, and PNG… Read the review →	ImageGlass is a desktop image viewer for people who need broad file-format coverage across Windows, macOS, and Linux. It opens more than 90 formats, including SVG, HEIC, WEBP, animated images, HDR formats, and camera RAW files. The feature… Read the review →

Strengths and trade-offs

• FastRawViewer — where it wins

  • Direct RAW rendering with histograms and exposure statistics
  • Ratings, labels, filtering, and XMP metadata editing
  • ICC color management with multi-window viewing

  Where it doesn't

  • Paid product with no free plan
  • Desktop-only support for Windows and macOS
  • No built-in AI features

• ImageGlass — where it wins

  • Opens more than 90 formats, including RAW, SVG, HEIC, and WEBP
  • Free Classic plan is open source under GPLv3
  • Color management, metadata viewing, plugins, and basic editing tools

  Where it doesn't

  • Side-by-side A/B comparison is still in development
  • Basic HDR support may not meet advanced imaging workflows
  • Pro purchases are final and non-refundable

• FFastRawViewer7.7/10 · 30-day trial

  A focused desktop viewer for inspecting, sorting, and comparing RAW files.

  Visit FastRawViewerFull verdict →
• ImageGlass7.6/10 · Free plan · 14-day trial

  A capable free viewer for broad format coverage across Windows, macOS, and Linux.

  Visit ImageGlassFull verdict →