XNView Portable App from PortableApps.com - editing pictures made easy

XNView portable app is a very simple and easy-to-use graphic file editor. Although not as powerful as Photoshop or GIMP, this program does contain most of the photo editing features for beginner and intermediate users.  One of the strongest features of this portable app is the ability to batch process large numbers of pictures at the same time rather than manipulating each picture as a separate task which can be a long process.

Simply download from PortableApps.com and install the program folder to either your flash drive or to your desktop.

The main features they promote include:
  • Import about 400 graphic file formats
  • Export about 50 graphic file formats
  • Multipage TIFF, Animated GIF, Animated ICO support
  • Image IPTC, EXIF metadata support
  • EXIF auto rotation support
  • IPTC editing
  • Resize, rotate, crop support
  • Lossless rotate & crop (jpeg) support
  • Adjust brightness, contrast...
  • Auto levels, contrast
  • Modify number of colors
  • Apply filters (blur, average, emboss, ...)
  • Apply effects (lens, wave, ...)
  • Fullscreen mode
  • Slide show with effects
  • Batch convert, batch rename
  • Create WEB page easily
  • Screen capture
  • Create contact Sheet
  • Create or edit Multi-page file (TIFF, DCX, LDF)
  • TWAIN & WIA support (Windows only)
  • Print support (Windows only)
  • Drag & Drop support (Windows only)
  • Compare image side by side
  • Filmstrip layout
  • 44 languages support (Windows only)
  • No Adware, No Spyware

Batch processing to resize multiple files