FastRawViewer is a must have; it all you need for extremely fast and reliable culling, direct presentation, as well as for speeding up of the conversion stage of any amounts of any RAW images of every format. FastRawViewer is the only WYSIWYG RAW viewer that allows to see RAW exactly as a converter will see it, and provides RAW-based tools to estimate what a converter will be able to squeeze from the shot.
FastRawViewer's RAW-based tools (unique ones such as RAW histogram, RAW statistics, Shadow Boost, Highlight Inspection, Focus Peaking, per-channel view, as well as familiar ones like Exposure Compensation, White Balance, Contrast Curves) allow one to estimate what a converter will be able to squeeze from the RAW image data and make preliminary adjustments to the RAW file, which will be acknowledged in Adobe converters.

FastRawViewer provides tools for the rating, labeling and sorting photos, and filtering of any number of RAW images.

FastRawViewer supports a variety of RAW, JPEG, TIFF, and PNG formats.

FastRawViewer is very user-friendly and seamlessly integrates into any existing RAW workflow. It is extremely flexible; nearly all of its settings can be tuned and keyboard/mouse shortcuts can be changed according to individual habits and preferences