Portable FastRawViewer (x64)



FastRawViewer Portable opens RAW files extremely quickly and renders them on-the-fly, instead of just displaying embedded JPEGs. It allows a photographer to see the RAW exactly as a converter will “see” it, without any delays or waiting time, guaranteeing the possibility to sort and cull RAW images lightning fast and based on the quality of the RAW itself, not JPEG previews.

How often do you want to visually browse your substantial archive of a huge collection of RAW files you’ve compiled over the years, in order to do some “thematic selection”? Or do you happen to have several folders of shots from some event, place, period of time (vacation), person, pet, etc., and you want to pick some shots out?

After you’ve selected all those photos you need either to copy them into a separate dedicated folder (for a further classification or processing), or onto a memory card (to give them to somebody), or you might want first add or edit ratings and labels, or simply send them to a raw converter for processing and then save the results into designated locations.

We decided to capitalize on the fast rendering FastRawViewer provides and implemented a lightweight but pretty powerful approach.

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 read and applied by 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.

FastRawViewer (FRV) is the only solution for those who:

  • Shoot in RAW and are tired of wasting hours or days on browsing through piles of shots and sorting them.
  • Tired of rendering all those RAWs into JPEGs so that you can quickly browse through them with your client, CMO, senior designer, editor in chief; or show them to your friends and family members.
  • Are in constant need of very quick viewing, visually and technically analyzing, sorting through hundreds or thousands of RAW shots, and selecting the apt ones for further processing.
  • Want to shoot in RAW, but don’t, fearing to get mired in sorting RAW files.
  • Are forced to use JPEG format, because your previous experiences tell you that it is impossible to quickly select and show your client the images taken in RAW.
  • Are in need of tools to instantly adjust white balance and exposure (brightness) right while browsing through the shot.

FastRawViewer is the first and the only dedicated application with the purpose of extremely fast culling and pre-processing of RAW images: i.e. display, visual and technical analysis, applying basic corrections, sorting and setting aside or directly transferring the selected ones for further processing.

FastRawViewer Strengths:

  • Display of the actual RAW as well as the actual RAW histogram
  • For the first time, a comfortable speed of RAW file viewing (together with histograms), provided by FastRawViewer using the power of modern processors and video cards to process RAW images:
  • 6-15 frames per second on a modern desktop computer for files from modern photo cameras (16-50 Mpix, testing was conducted on a mix of shots from recent cameras, SSD recommended for peak performance).
  • 24-30 frames per second for CinemaDNG 2.5k on the same equipment (we used Blackmagic Pocket Cinema files for testing).
  • Support of almost every single existing RAW format (that is, almost every known digital camera), including native out-of-camera DNG files as well as the files converted to DNG.
  • Instant display of RAW files directly from any memory card or other file storage – without customary delays for importing, creating catalogues, libraries, and temporary databases.
  • View JPEGs (including embedded JPEG thumbnails) – and also display the histograms.
  • Support for TIFF, HEIF/HEIC and PNG formats – with histogram and EXIF data display.
  • The convenience of working with the shots taken in the RAW + JPEG mode, with two files being paired:
  1. While listing through files, you have the option to ignore the second file in the pair.
  2. JPEGs (including embedded thumbnails) are considered to be “additional images” and are immediately accessible for viewing.
  3. When you move a file from the RAW + JPEG pair to another folder, the other file follows.
  4. And, of course, you can always switch this mode off, if you so choose, and treat the files as separate.
  • The possibility of doing a quick visual and technical analysis by:
  1. Examining the real RAW histogram.
  2. Assessing the exposure based on:
  1. Spotlighting of over- and underexposed areas on the shot.
  2. Over- and underexposure statistics.
  1. Outlining the in-focus and highly detailed areas on the shot.
  2. Assessing per-channel exposure and acutance.
  3. Assessing the noise level in the shadows.
  • Time-saver: exposure and white balance adjustments can be made while browsing RAW files and are saved in XMP files so that they can be automatically applied when you open that shot in Adobe Lightroom or Adobe Camera Raw.
  • Time-saver for series, including panoramas: propagation of white balance, exposure, and image orientation adjustments from one shot to the entire series.
  • Highly compatible system of assigning labels and ratings to images, including the user-defined labels. Ratings and labels are written into XMP files and are read by Adobe software (and others which acknowledge XMP sidecar files).
  • Copying and moving the selected shots into folders chosen by the user.
  • Moving the rejected shots into a special folder, which can be reviewed again later.
  • Transferring the selected shots for further processing to a user-selected RAW converter directly from FastRawViewer.
  • Support for black and white RAW, including shots from cameras converted to b/w by removing the color filter array.
  • Warnings when FastRawViewer comes across a damaged RAW file.
  • Monitor color profile support, without the loss of image rendering speed.
  • Modifying settings to suite your workflow
  1. You can set your own keyboard (or keyboard+mouse) shortcuts for every action.
  2. The settings panel allows you to turn off the ones you don’t need, and change the others to your preferences.

System Requirements:
FastRawViewer for Windows requires a computer with SSE3-compatible CPU (that is, manufactured after 2004) and not-so-ancient video card. It works on a variety of 32/64 bit Windows platforms: 7, 8, 8.1,10 (we suggest Windows 8.1/64-bit or Windows 10/64-bit).

FastRawViewer for Windows uses hardware graphics acceleration:
Graphics based on Microsoft DirectX: DirectX 9.0 is required, DirectX 9.0c support or later is recommended
Graphics based on OpenGL – requires a video card with at least OpenGL 2.1 support.

Release Note:

Camera/RAW format support

  • Nikon NEFX (Zf/Z8 Pixel-Shift sequences merged via NX Studio)

Camera support

  • Canon EOS R100, EOS R5C
  • DJI Air 3
  • Fujifilm GFX100-II, X100VI
  • GoPro HERO12
  • Hasselblad CFV-100c, CFV-50c
  • Nikon Z f (standard/lossless compression only)
  • Olympus TG-7, OM-1 Mark II (standard resolution files only)
  • Panasonic DC-ZS200D / ZS220D, DC-TZ200D / TZ202D / TZ220D, G9 Mark II
  • Pentax K III Monochrome, KF
  • Sony ILCE-6700, A7C-II, A7CR, ILX-LR1, A9-III
  • Better handling of PhaseOne files

Minor changes and bugfixes

  • DNG 1.7 support, incl JpegXL compression
  • (Faster) RawSpeed3 decoder
  • Implemented PhaseOne flat field correction control (on/off) via UseP1Correction hidden setting
  • Fixed PhaseOne flat field correction problem
  • The number of rating stars shown is limited to five
  • It is possible to close/accept Title/Description edit dialog via Ctrl-Enter (Cmd-Enter on Mac)
  • New GPS display formats: dd mm.mmmm and dd.dddddd
  • DNG Display: ignore vendor-provided linear limit for DNG files w/ Stage3 opcodes.
  • Images sorting by Vendor/Model.


Download FastRawViewer Portable

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