FastStone Image Viewer
Overview
 
FastStone Image Viewer is an image viewer
Image viewer
An image viewer or image browser is a computer program that can display stored graphical image; it can often handle various graphics file formats...

 and organizer
Image organizer
An image organizer or image management application is application software focused on organizing digital images. Image organizers represent one kind of desktop organizer software applications.- Common image organizers features :...

 for Microsoft Windows
Microsoft Windows
Microsoft Windows is a series of operating systems produced by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces . Microsoft Windows came to dominate the world's personal...

, provided free of charge for personal and educational use, .
Highlights:
  • Relatively fast HQ image/thumbnail
    Thumbnail
    Thumbnails are reduced-size versions of pictures, used to help in recognizing and organizing them, serving the same role for images as a normal text index does for words...

     viewing, using Lanczos resampling
    Lanczos resampling
    Lanczos resampling is an interpolation method used to compute new values for sampled data. It is often used in multivariate interpolation, for example for image scaling , but can be used for any other digital signal...

     algorithm
  • Support for dual head configuration
  • Custom order arranging, via DnD
    Drag-and-drop
    In computer graphical user interfaces, drag-and-drop is the action of selecting a virtual object by "grabbing" it and dragging it to a different location or onto another virtual object...

    , and automatic renumbering
  • Color space
    Color space
    A color model is an abstract mathematical model describing the way colors can be represented as tuples of numbers, typically as three or four values or color components...

     management
  • Magnifier lens
  • Portable version to be used without installation, typically installed on USB flash drive
    USB flash drive
    A flash drive is a data storage device that consists of flash memory with an integrated Universal Serial Bus interface. flash drives are typically removable and rewritable, and physically much smaller than a floppy disk. Most weigh less than 30 g...

    , including all user settings.


Other features include:
  • Supports all major graphic formats (BMP, JPEG
    JPEG
    In computing, JPEG . The degree of compression can be adjusted, allowing a selectable tradeoff between storage size and image quality. JPEG typically achieves 10:1 compression with little perceptible loss in image quality....

    , JPEG 2000
    JPEG 2000
    JPEG 2000 is an image compression standard and coding system. It was created by the Joint Photographic Experts Group committee in 2000 with the intention of superseding their original discrete cosine transform-based JPEG standard with a newly designed, wavelet-based method...

    , animated GIF, PNG, PCX
    PCX
    PCX is an image file format developed by the now-defunct ZSoft Corporation of Marietta, Georgia. It was the native file format for PC Paintbrush and became one of the first widely accepted DOS imaging standards, although it has since been succeeded by more sophisticated image formats, such as GIF,...

    , TIFF, WMF
    Windows Metafile
    Windows Metafile is a graphics file format on Microsoft Windows systems, originally designed in the 1990s. Windows Metafiles are intended to be portable between applications and may contain both vector graphics and bitmap components....

    , ICO and TGA
    Truevision TGA
    Truevision TGA, often referred to as TARGA, is a raster graphics file format created by Truevision Inc. . It was the native format of TARGA and VISTA boards, which were the first graphic cards for IBM-compatible PCs to support Highcolor/truecolor display...

    ), with a focus on popular digital camera RAW formats
    RAW image format
    A camera raw image file contains minimally processed data from the image sensor of either a digital camera, image scanner, or motion picture film scanner. Raw files are so named because they are not yet processed and therefore are not ready to be printed or edited with a bitmap graphics editor...

    .
  • Displays Exchangeable image file format (Exif) camera information
  • Thumbnail cache and database
  • Basic image editing tools: resizing, cropping
    Cropping (image)
    Cropping refers to the removal of the outer parts of an image to improve framing, accentuate subject matter or change aspect ratio. Depending on the application, this may be performed on a physical photograph, artwork or film footage, or achieved digitally using image editing software...

    , color correction
    Color correction
    Color correction by using color gels, or filters, is a process used in stage lighting, photography, television, cinematography and other disciplines, the intention of which is to alter the overall color of the light; typically the light color is measured on a scale known as color temperature, as...

    , red-eye removal
  • Advance image editing tools: clone brush, curve (tonality)
    Curve (tonality)
    In image editing, a curve is a remapping of image tonality, specified as a function from input level to output level, used as a way to emphasize colours or other elements in a picture....

    , levels and unsharp mask.
  • Lossless JPEG rotations
  • Side-by-side image comparison tool
  • Fully customizable contact sheet Builder* Emailing
  • Memory card image retriever
  • Slide show, including music and many transition effects
  • Emailing

The FastStone Image Viewer was first released in 2004 by FastStone Soft.
 
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