IrfanView 4.51

IrfanView is a fast, simple freeware image viewer and editor that supports all major graphic formats, including BMP, DIB, JPEG, GIF, animated GIF, PNG, PCX, multipage TIFF, TGA, and more. In addition, it features drag-and-drop support, directory viewing, TWAIN support, slide shows, batch conversion, and modifications such as color depth, crop, blur, and sharpen.


  • Changes in 4.51:
  • Improved JPG save option: "Set file size" (no RIOT PlugIn needed)
  • New options in IrfanView Shell Extension (PlugIns website)
  • Support for animated WebP files
  • Some fixes (Zoom box text, EXE/DLL icon loading)
  • Several PlugIns are changed/updated, please install the newest versions:



Download | 4.51 (32-bit)

Download | 4.51 (64-bit)

Plugins | 4.51 (32-bit)

Plugins | 4.51 (64-bit)