IrfanView v4.20 正式版

IrfanView 堪与 AcdSee 媲美，支持的图像、音频、视频格式众多，并可幻灯显示、批量转换格式、批量重命名、JPG 无损旋转，支持拖放操作；亦具有调整图像大小、调整颜色深度、添加覆盖文字、特效（内置）处理等图像编辑功能，3.85 版已能支持使用 Adobe Photoshop 的滤镜（8BF 格式）；还可以制作 HTML 格式的缩略图目录、创建自播放幻灯显示（EXE 或 SCR），是图像爱好者必备的袖珍精品。
　　IrfanView 能打开的图像、音频、视频格式有: AIF、ANI/CUR、 ASF、AU/SND、AVI、B3D、BMP/DIB、CAM (Casio JPG)、CLP、DDS、 Dicom/ACR、DJVU、ECW、EMF/WMF、EPS、FlashPix (FPX)、FSH、 G3、 GIF、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、PNG、PSD、PSP、 RAS/SUN、RAW、Real Audio (RA)、RLE、SFF、SFW、SGI/RGB、 SWF (Flash/Shockwave)、TGA、TIF、TTF、TXT、WAD、WAV、WBMP、 WBZ/WBC、XBM、XPM、CRW、NEF、ORF、RAF、MRW、DCR、DXF 等等。

功能特点：
Many supported file formats (click here the list of formats)
Multi language support
Thumbnail/preview option
Paint option - to draw lines, circles, arrows, straighten image etc.
Toolbar skins option
Slideshow (save slideshow as EXE/SCR or burn it to CD)
Show EXIF/IPTC/Comment text in Slideshow/Fullscreen etc.
Support for Adobe Photoshop Filters
Fast directory view (moving through directory)
Batch conversion (with image processing)
Multipage TIF editing
File search
Email option
Multimedia player
Print option
Support for embedded color profiles in JPG/TIF
Change color depth
Scan (batch scan) support
Cut/crop
IPTC editing
Effects (Sharpen, Blur, Adobe 8BF, Filter Factory, Filters Unlimited, etc.)
Capturing
Extract icons from EXE/DLL/ICLs
Lossless JPG rotation
Unicode support
Many hotkeys
Many command line options
Many PlugIns
Only one EXE-File, no DLLs, no Shareware messages like "I Agree" or "Evaluation expired"
No registry changes without user action/permission!
and much much more