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This article presents a comparison of image viewers and image organizers which can be used for image viewing.
General information
Name
View functions
Edit functions 3
Price
ACDSee
Thumbnails (user-defined sizes), fullscreen, slideshow, zoom, fit, view Exif info, view inside ZIP archives, no Unicode support, ...
Resize, crop, rotate, flip, jpeg lossless rotate/mirror, adjust exposure and colors etc, filters (sharpen, blur, average, emboss, ...), red eye removal, batch rename, edit Exif info, ...
std: 49.99 USD
pro: 129.99 USD
Adobe Bridge
Thumbnails, slideshow, filmstrip, preview, versions with alternates
Stand Alone : rotate, rename, delete, move, copy, batch rename, add/Edit Metadata , camera raw image adjustments (crop, resize, exposure, contrast, white balance, curves, etc...)
Via Photoshop : contact sheet, merge to HDR , PDF presentation, Photomerge, Web picture gallery
Included with various Adobe products 1
Adobe Photoshop Lightroom
library organization, RAW and JPEG editing, slideshow tools, print layout and preferences, web gallery creation and uploading
$299
Digikam
Fit to window, zoom, pan, Light Table, Slideshow+Effects
Rotate, crop, vertical/horizontal flip, lossless JPEG operations (90° steps), color management, 16bit color depth, Light Table, EXIF , IPTC , GPS metadata, adjust colors/brightness/levels, elaborate Black and White conversion, lens correction, anti-vignetting, sharpening tools, vibrance, many filters, Batch operations, export to archive, HTML, flickr, gallery2, picasaweb.
$0 (GNU GPL )
Elgorithms MagicTracer
Fit to window, zoom
Color editing, filters, color management, color-depth maganagement, rotate, crop, resize
$49.95
Eye of GNOME
Fit to window, zoom, print, full-screen, slideshow, image collection, image information...
Rotate, delete, flip, save as
$0 (GNU GPL )
EyeBrowse
Fit to window, zoom, file tree, file selector, print with print preview, keyboard control, hotkeys, screen captures...
Image manipulation (blur, resize, crop, sharpen, rotate, negative, vertical/horizontal flip, grayscale, brightness & contrast), batch file management, undo/redo actions
$0/$20
FastPictureViewer
Borderless full-screen kiosk mode, Fit-to-window, 1:1, 50%-6400% magnifier, Multicore-aware, DirectX hardware accelerated.
No image editing. Single-click background copy/move to preset location, single-click rating/labeling (writes Adobe XMP sidecar files and/or embeds XMP metadata within JPEG/TIFF/HD Photo/JPEG XR), Windows Vista rating, Color management including custom target profile selection, Unicode support, EXIF shooting data (shutter speed, f-stop, ISO speed, exposure compensation...) and real-time, seamless R,G,B histogram in translucent floating window.
Free for personal use (freeware license), $29.90 for Professional edition
FastStone Image Viewer
Thumbnails (5 predefined sizes), fullscreen, slideshow, Exif , etc
Rotate, move, rename, 150+ transitional effects, lossless JPEG transitions, drop shadow effects, scanner support, histogram, ...
Free for personal use
Firehand Ember
$60
FuturixImager
Full-screen, slideshow, zoom, histogram, metadata view, view-as-wallpaper;
Effects/filters, pencil, flood fill, eraser; JPEG lossless rotation; printing, scanning; screen capture;
$0 Freeware
F-Spot
Full-screen, slideshow, zoom, multiple sizes of thumbnails. Export: HTML, Flickr , Gallery Project , and O.r.i.g.i.n.a.l
Tags, rotate, move, rename, hue, contrast, crop, resize
$0 (GNU GPL )
GQView
Full-screen, slideshow, zoom, color spectrum, 14 sizes of thumbnails
Rotate, move, rename, hue, contrast, find/remove duplicates
$0 (GNU GPL )
GraphicConverter
Full-screen, slideshow, etc
Rotate, move, rename...
$35
gThumb
Full-screen, slideshow, zoom, color spectrum, three sizes of thumbnails
Rotate, move, rename, hue, contrast,
$0 (GNU GPL )
Gwenview
fullscreen, slideshow, zoom, rotate, adjust gamma/contrast/brightness, disk navigator, file tree, thumbnails, extended thumbnails, bookmarks...
add border, filter, effects, resize, rename, raw image converter, recompress, edit color...
$0 (GNU GPL )
Imagine
fullscreen, slideshow, zoom, rotate, thumbnails
resize, rename, greyscale, negative, swap colors, filters (blur, edge, emboss, gaussian, sharpen, soften )
$0 (Free without any limitation [1] )
IMatch
Unicode
$59.95
imgSeek
Search similar images, Fullscreen, slideshow, zoom, thumbnails, disk navigator tree, tag treeview. Export: HTML
Rotate, move, rename, hue, contrast, etc
$0 (GNU GPL )
iPhoto
Thumbnails, fullscreen, slideshow
Lossy JPEG rotate, Cropping (custom and template), Brightness/Contrast, Red-eye, Retouch, Color Enhancement, B&W and Sepia Conversion...
$0 2
IrfanView
Thumbnails (18 pre-defined sizes from 50×50–800×800 pixels), fullscreen, slideshow, zoom, fit (several options), view IPTC and Exif info, hex view; Format detection with offer to rename, set wallpaper, EXE/SCR creation, Burn slideshow to CD; directory tree
2 languages (ENG/GER)
Add Text, Crop, Cut/Copy selected area, Paste-Into selected area, paste from PrintScreen, Resize/Resample, Rotate, Flip Vert/Horiz, JPG lossless transformations, Color Adjustments, Greyscale, Red-Eye Reduction, Sharpen, effects/filters, Own and 8bf (Photoshop) plugins compatibility, edit IPTC info, Move, Copy, Delete, Rename, Convert, batch conversion, batch renaming/resizing/cropping, panorama creation, send email
via IrfanView Thumbnails/Plugins: contact sheet creation, thumbnail creation, web gallery creation
educational use (schools, universities and libraries) and for use in charity or humanitarian organisations: $0
at place of business or for commercial purposes: US$12.00 or €10
KSquirrel
disk navigator, file tree, thumbnails, bookmarks, fullscreen, KIPI plugins ...
resize, rotate, colorize, convert, print ...
$0 (GNU GPL )
KPhotoAlbum
Zoom, Rotate, Metadata, Exif, thumbnails (customize size), slideshow, Categories
As Available per Kipi Plugins
$0 (GNU GPL )
Lphoto
Zoom, Slideshow, camera information,
Crop, redeye, color tweaking, auto attach and resize for email, export to HTML, export to CD
$0 (GNU GPL )
MST Viewer
Thumbnail, Zoom, Rotation, Multiple Page Support, Pan, Fit to Height and/or Width
Cut, Copy, Paste, Merge, Crop, Annotate, Image Cleanup, Image Enhance, Scale-to-gray resizing for 1bit images, Bilinear Interpolation for resizing Bi-Level images, Bi-Cubic Interpolation for resizing color images, Converting, ...
For Commercial Use Only
Picasa
Zoom, lossless rotate, histogram, camera information
Crop, straighten, redeye, colour tweaking, effects, batch edit, batch rename, video rendering, HTML gallery creation, photo browser application creator, screensaver
$0
Pictomio
3D carousel ,filmstrip, thumbnail, Map (for geotagged Pictures), lossless rotate, slideshow, histogram, EXIF
cut, copy, paste, rename,EXIF , add time offset, geotag , auto rotation, lossless rotate
$0 Freeware
Preview
Zoom, rotate, metadata
Crop, straighten, color tweaking, profile assignment
$0
ShowImg
fullscreen, slideshow, filters, search for similar images
Batch rename, convert filetype
$0 (GNU GPL )
ThumbsPlus
Thumbnails (user-defined sizes), fullscreen, slideshow, zoom, fit, view Exif info, ...
Resize, crop, rotate, flip, jpeg lossless rotate/mirror, adjust exposure and colors etc, filters (sharpen, blur, average, emboss, ...), red eye removal, ...
std: 49.95 USD
pro: 89.95 USD
Windows Picture and Fax Viewer
fullscreen, slideshow, fit, zoom, print
rotate, lossy JPEG rotate, annotate TIFF images
$0 (included with Windows XP )
Xee
Fullscreen, Exif data, archive browsing, same directory browsing, slideshow, OpenGL display
Crop and rotate, lossless JPEG manipulation, file system manipulation
XnView
Thumbnails (user-defined sizes), fullscreen, slideshow, zoom, fit, view IPTC and Exif info, ...
Resize, crop, rotate, flip, jpeg lossless rotate/flip/crop, adjust exposure and colors etc, filters (sharpen, blur, average, emboss, ...), batch convert, batch rename, edit IPTC info, ...
freeware for private non-commercial, educational use and non-profit organization; otherwise 26€.
Xv
View as ASCII or Hex, magnify, determine pixel values
Crop, pad, resize, rotate, flip, brightness, contrast, gamma, saturation, hue, colormap, reduce colors, dither, convert, and more
$25
Zoner Photo Studio
Thumbnails (user-defined sizes), fullscreen, slideshow, zoom, fit, ITPC and Exif info, ...
Resize, crop, rotate, flip, jpeg lossless rotate/mirror, adjust exposure and colors etc, filters (sharpen, blur, average, emboss, ...), red eye removal, batch rename, edit ITPC and Exif info, ...
Home: 49.99 USD
Pro: 99.99 USD
Name
View functions
Edit functions
Price
Note 1: Adobe Bridge comes free with the Adobe Creative Suite CS2, Adobe Production Studio and Photoshop Elements 4 for Mac OS X. Adobe Bridge cannot be purchased separately, but Photoshop Elements is available from Adobe for $70 and Photoshop is available for $400.
Note 2: The latest version of iPhoto comes free with a Mac . iPhoto cannot be purchased separately, but is part of the iLife -suite which is available from Apple Computer for $79.
Note 3: See also Comparison of raster graphics editors .
Supported file formats
Name
File formats
ACDSee
BMP , EMF , GIF , JPEG , PCX , PIC, PICT, PNG , PSD , PSP , SGI, TGA, TIFF , WMF , XBM , various camera formats among others
Adobe Bridge
Displays all file types supported by Adobe Creative Suite
Digikam
JPEG , PNG , JPEG 2000 , BMP , GIF , PCX , TIFF , WMF , PNM , PPM, XCF , XPM , PGX, all RAW formats, MPEG , MPO, MPE, AVI , MOV , ASF
Elgorithms MagicTracer
PNG , JPEG , GIF , BMP , TIF , ICO , CUR , PCX , TGA , RAS , WMF , EMF , JPEG 2000 , JPC , PNM
Eye of GNOME
PNG , GIF , JPG , BMP , PNM , RAS , TIFF , ICO , XPM , SVG
EyeBrowse
PNG , JPG , BMP , TGA , TIFF , PCX , WMF , EMF , DIB , GIF , ICO
FastPictureViewer
JPEG , JPE , JFIF , HD Photo , HDP , WDP , JPEG XR
(+ PNG , BMP , RLE , DIB , ICO , TIFF , MTIFF, DNG , NRW , NEF, CR2 , ORF , PEF , ARW , SR2 , SRF , DjVu , WIC codecs in the Professional Edition)[ 1]
FastStone Image Viewer
loading of: PNG , JPEG , BMP , JPEG 2000 , GIF , PCX , TIFF , WMF , ICO , CUR , TGA , CRW , saving to: JPEG, JPEG2000, TIFF, GIF, PCX, BMP, PNG, TGA
Firehand Ember
F-Spot
CR2 , CRW , DNG , GIF , JPEG , MRW, NEF, ORF , PEF , PNG , PPM , RAF , RAW, SRF , SVG , TIFF
GQview
See note
GraphicConverter
190 types read, 79 types saved
gThumb
See note
Gwenview
PNG , JPEG , MNG , GIF , XCF etc.
Imagine
ANI , ANM (Deluxe Paint Animation), BMP , CorelDRAW drawing (CDR,CDT,PAT,CMX), CUR , DCX , DDS , EMF , GIF , ICL , ICO , JPE , JPEG , JPG , MacPaint , MNG , PBM , PCD , PCX , PGM , PIC, CEL , PNG , PPM , PSD , PSP (Paint Shop Pro image) , RAS , RLA , RLE , SGI (RGB,BW) , SPR (Pro Motion Animation), TGA , TIFF , WBMP , WMF , XBM , XCF , XPM ,
IMatch
over 50 types including RAW , also Unicode
imgSeek
12 types
iPhoto
PNG , JPEG , GIF , RAW (All QuickTime supported images), PSD (Leopard), AVI (Leopard), MOV (Leopard)
IrfanView
~70 types including : AIF, ANI/CUR, ASF, AU/SND, AVI, B3D, BMP/DIB, CAM (Casio JPG), CLP, DDS, Dicom/ACR, DJVU, ECW, EMF/WMF, EPS/PS/PDF, FITS, FlashPix (FPX), FSH, G3, GIF, HDR, ICO/ICL/EXE/DLL, IFF/LBM, IMG (GEM), JPG2000, JPG, JPM, KDC, LDF, LWF, MED, MID/RMI, MNG/JNG, MOV, MP3, MPG, MrSID, NLM/NOL/NGG, OGG, PBM/PGM/PPM, PCX/DCX, PhotoCD, PIC, PNG, PSD , PSP, RAS/SUN, RAW, Real Audio (RA), RLE, SFF, SFW, SGI/RGB, SWF (Flash/Shockwave), TGA, TIF, TTF, TXT, WAD, WAL, WAV, WBMP, WBZ/WBC, XBM, XPM, CRW/CR2, DNG, NEF, ORF, RAF, MRW, DCR, SRF, X3F, CAD formats. Partial support: MOV, QTIF, Mac PICT, FLI/FLC, SVG.
KSquirrel
51 types
KPhotoAlbum
Photo formats supported by KDE; AVI, MPEG, RAW
Lphoto
iPhoto Clone
MST Viewer
ASCII, ABIC, AFP (MO:DCA), BMP, Brooktrout, CALS, CLIP, DCX, DICOM, DOC, DJVU, EPS, GIF, IOCA (MO:DCA), JBIG, JBIG2, JPEG, JPEG2000, MO:DCA , MO:DCA Uncompressed, PBM, PCX, PGM, PNG, PPM, PCL, PDF, PTOCA (MO:DCA), RLE, RTF, SVG, TIFF, TIFF Group 3/Group 4, TIFF JBIG, TIFF JPEG, TIFF Uncompressed, TXT, WMF, XLS, XML, XPS
Picasa
8 types including PNG , JPEG and some movie formats
Pictomio
JPEG , PNG , GIF , TIFF , BMP , TGA with codec: MPG , MPEG , AVI , WMV , ASF , VOB , QT , MP4 , WMA , WAV , MP3 , OGG
Preview
All QuickTime images:
ResourceSpace
Hundreds; all types supported by ImageMagick and FFmpeg plus InDesign
ShowImg
JPEG , PNG , GIF , XCF , PSD etc.
Windows Picture and Fax Viewer
JPG , BMP , PNG , GIF , WMF , EMF , TIFF , ICO
Xee
JPEG , JPEG 2000 , PNG , GIF , PSD , TIFF , OpenEXR , Radiance , RAW , PICT , QuickTime Image , MacPaint , Apple Icon , BMP , Targa , PCX , ILBM , SGI , FPX , XBM , Fax Document (fax, jfx, jfax), Comic Book Archive
XnView
reads about 400 formats, including: JPEG (IPTC & Exif ), BMP , PNG , FAX , GIF , TIFF (Multipage), NEF, CRW , PSD , EPS , WMF , DICOM ; writes about 50 formats
Xv
GIF , JPEG , TIFF , PBM , PGM , PPM , XPM , Sun Rasterfile, Targa , RGB , BMP , PCX , FITS , PM , PostScript , PNG (with patch)
Zoner Photo Studio
JPG/JPEG/JPE, HDP/WDP, TIFF/TIF, GIF/aGIF, PNG, PSD, PSB, PSP/PSPIMAGE, BMP/DIB/RLE, J2K/JPC/JP2, PAM, PBM, PGM, PNM, PCD, PCX, WBMP/WBM, TGA, ICO, MAC, WPG, BMI, MDM, THN, ARW/SR2, CRW/CR2, DNG, ERF, KDC, MEF, MRW, NEF, ORF, RAF and RAW [ 2]
Name
File formats
Features
Program
Fullscreen
slideshow
zoom (styles)
cache decoded images
thumbnails (sizes)
thumbnail caching
navigation views
print
sort (schemes)
search (criteria)
selection (styles)
metadata
adjust image (functions)
hotkeys
color management (ICC )
other / special
JPEG Lossless operations
Unicode support
ACDSee
Yes
Yes
Yes
1:1, fit width and/or height, lock
Yes
previous, next
Yes
user-defined
Yes
database
directory-tree, albums, calendar, favourites, search results
Yes
Yes
user-defined, name, date, size, type, ...
Yes
Yes
individual, linear, block
Yes
Exif
Yes
many
Yes
Yes
rotation only
No
Digikam
Yes
Yes
Yes
fit, in/out
Yes
previous, next
Yes
Yes
Yes album-tree, tags, calendar, searches
Yes
Yes
tags, date, keywords, metadata
Yes
Yes
linear, block, complex
Yes
Exif and IPTC
Yes
many editing function
Yes
Yes
GPS location
EyeBrowse
Yes
fit, in/out
file-tree, ???
Yes
Yes
Yes
Screen captures...
F-Spot
Yes
Yes
Yes
Yes
list, file-tree
Yes
keywords
Yes
Export to HTML, Flickr , or O.r.i.g.i.n.a.l.
FastPictureViewer
Yes
Yes
Auto-advance mode
Yes
1:1, fit, 50%-6400% magnifier, click-and-hold zooming
Yes
dynamic, adaptive
No
No
Yes
Windowed or full-screen, back and forth navigation, bookmarks
No
Yes Filenames, file creation/modification date, EXIF date taken, GPS timestamp
No
Yes
Copy, move, delete, rate, label
Yes
Write XMP Rating/Label, Vista Rating, embedded or in sidecar files, shows shooting info (EXIF) and realtime RGB histogram
No
Yes
Yes
(supports custom monitor profile, direct conversion from image colorspace to monitor colorspace, ICC v4)
Unicode support, Tethered shooting (MTP/PTP over USB ), Multicore -aware, DirectX accelerated, HD Photo / JPEG XR support.
FastStone Image Viewer
Yes
Yes
Yes
1:1, fit width and/or height, lock
No
Yes
5 predefined sizes
Yes
database
dir-tree
Yes
Yes
user-defined, name, date, file size, image size, type
Yes
individual, linear
Partial
jpeg comment
Yes
many
GQView
Yes
Yes
Yes
fit, 1:1, in/out
Yes
next
Yes
24x24 - 256x256
Yes
as png-files centrally or in sub-dir
list, dir-tree, collection
Yes
Yes
collections, keywords, directory
Yes
collections, keywords, filename, location, size, date, dimensions, comments, previous results
Yes
block, linear, complex
Yes
Yes
rotate, brightness, contrast
Yes
find duplicates, sort manager, recent collections
gThumb
Yes
Yes
random, forward, reverse
Yes
fit, 1:1, remember, fit-if-larger, in/out
Yes
48x48 - 256x256, 9 sizes
Partial Newer versions cache in a central directory
list, icon, subfolders, categories
Yes
Yes
catalogs, categories
Yes
name, comment, date, category, folder, recursive-folder
Yes
linear, block, complex
Partial
Yes
manipulate color, flip/rotate, etc
Yes
bookmarks, comments, rename series, create index image, create HTML album
IrfanView
Yes
Yes
Yes
1:1, fit width and/or height, lock
No
Yes
18 predefined sizes: 50×50–800×800
No
dir-tree, search results
Yes
Partial
name, date, file size, image width/height, type; no user-defined order
Yes
name, date, metadata
Yes
individual, linear
Yes
jpeg comment, IPTC, Exif
Yes
many
Yes
Yes
crop plugin and rotate plugin available
No
can see file structure, but not view image
KPhotoAlbum
Yes
Yes
Yes
fit, in/out, presets
Yes
views search results
by date
Yes
keywords, comments, title, any field from Exif metadata
Yes
linear, complex
Partial
Yes
per Kipi plugins
Yes
configurable
Quick-tagging using keyboard tokens
MST Viewer
Yes
No
Yes
1:1, fit width and height, 0%-infinite magnifier
Yes
Dynamic
Yes
No
Yes
Windowed, Splitter Panes, or Tree View
Yes
Yes Filenames, alphabetic
No
Yes
File copy, move, delete, merge, create
Yes
Yes
Yes
customizable
URL Downloading, Automatic pixel depth conversion, Image Cleanup, Image Enhance, Scale-to-gray resizing for 1bit images, Bilinear Interpolation for resizing Bi-Level images, Bi-Cubic Interpolation for resizing color images.
Picasa
Partial
only in slideshow mode
Yes
Partial
no view window, fit to viewing area, 1:1, variable
No
Yes
2 pre-defined sizes
Yes
database
directory-tree, albums, timeline
Yes
Partial
name, date, size, user-defined
Yes
name, date, rating
Yes
individual, linear
Partial
Keywords
Partial
basic
Yes
Yes
rotation only
Yes
Pictomio
Partial
only in slideshow mode
Yes
Yes
fit to viewing area, 1:1, in/out
Yes
previous, next
Yes
2 pre-defined sizes
Yes
database
directory-tree, albums, thumbnails, filmstrip, categories, favorites
Yes
Yes
name, date, filesize, rating, colormark
grouping by:
rating, colormark, shortlist, year, month, day, type, orientation, pixelcount, volume, original path)
Yes
meta infos, tags, filename, category, album
Yes
individual, linear
Yes
EXIF , keywords, annotations
Partial
rotate
Yes
No
DirectX accelerated, Geotagging
ResourceSpace
Yes
Yes
Yes
Yes
Yes
user defined
Yes
filesystem
thumbs, list, themes
Yes
contact sheet
Yes
date, relevance, colour
Yes
Yes
Yes
EXIF, IPTC, user defined
Yes
rotate, gamma
No
ThumbsPlus
Yes
Yes
Yes
1:1, fit width and/or height
No
Yes
user-defined
Yes
database
dir-tree
Yes
Partial
name, date, size, type, etc.; no user-defined order
Yes
name, date, file size, image size, meta data, image similarity
Yes
individual, linear
Yes
IPTC, Exif, jpeg comment
Yes
many
Yes
can sort images by similarity to a sample image, loupe
Windows Picture and Fax Viewer
Yes
Yes
Yes
1:1, fit, in/out
Yes
No
No
No
Yes
No
No
No
Yes: EXIF
Yes
rotate, lossless JPEG rotate, annotate TIFF images
Yes
Yes
rotate only
Yes
XnView
Yes
Yes
Yes
1:1, fit width and/or height, lock
Yes
previous, next
Yes
user-defined
Yes
database
dir-tree, favourites, categories
Yes
Partial
name, date, size, type, etc.; no user-defined order
Yes
name, date, file size, image size, meta data, ...
Yes
individual, linear
Yes
IPTC, Exif, jpeg comment
Yes
many
Yes
configurable
Yes
xv
No
Yes
No
Yes
fixed size
Yes
in subdirectory (.xvpics)
Yes
Partial
name
No
Partial
individual, all
Partial
view comments
Yes
many
Yes
Zoner Photo Studio
Yes
Yes
Yes
1:1, fit width and/or height, lock
Yes
in Viewer, previous and next
Yes
user-defined
Yes
database
dir-tree, albums, CD compilations, media archive, search results, web albums
Yes
contact sheet, templates, calendars, paper saver
Yes
name, date, size, type, etc.; user-defined order
Yes
name, date, file size, meta data
Yes
individual, linear
Yes
IPTC, Exif, jpeg comment
Yes
very many
Yes
configurable
Yes
sign images, 16 bits per channel, GPS support
Fullscreen
slideshow
zoom (styles)
cache decoded images
thumbnails (sizes)
thumbnail caching
navigation views
print
sort (schemes)
search (criteria)
selection (styles)
metadata
adjust image (functions)
hotkeys
color management (ICC )
other / special
JPEG Lossless operations
Unicode support
Notes
The filetypes that can be displayed by GQView depends on the image-processing libraries (libjpeg , libpng , etc.) installed on the operating system.
Prices will vary over time, and between suppliers, and are for approximate indication only
iPhoto is part of iLife , which includes a DVD authoring package (iDVD ), a video editor (iMovie ), a music player (iTunes ), a multimedia web publisher (iWeb ), and an audio-sequencing program (GarageBand )
ACDSee supports 61 various image formats and writes to 16. Reads 9 compression formats and writes to 2. Also ACDSee supports 33 Video Formats (Reads)
FastPictureViewer 's DirectX hardware acceleration support depends on the actual video card installed and the amount of available video memory. The commercial version also supports previewing some camera RAW formats for which a WIC -enabled codec exists. Such RAW codecs are currently available from Canon, Nikon, Olympus, Pentax, Sony and for Adobe DNG but the actual list supported by the viewer currently only includes Nikon NRW, Nikon NEF, Canon CR2, Adobe DNG and DjVu.
Picasa has an experimental GNU /Linux version that runs under WINE .
A large majority of Windows based image viewers do not have Unicode support. Some exceptions that do work with Unicode include ExifPro, FastPictureViewer, Imatch and Ashampoo Photo Commander.
References
^ FastPictureViewer's Image Formats Compatibility Chart
^ File Formats supported by Zoner Photo Studio
See also