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FastRawViewer vs RawDigger: catalog facts
FastRawViewer	RawDigger
Paid Paid software from LibRaw, sold individually or in bundles with seasonal discounts.	Paid Paid in several editions, with a free trial.
Windows, macOS	Windows, macOS
Renders the actual RAW data rather than embedded JPEG previews RAW histogram, RAW statistics and highlight inspection for judging exposure	Shows the true raw histogram Analysis over whole images or selections
Paid software with no free tier A viewer and culling tool, not a full RAW editor	Analysis tool only, not a raw converter Paid after the trial
Downloadable app	Downloadable app
Closed source	Closed source
License: Proprietary	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.