Format Factory is an extremely versatile conversion tool that supports 16 languages, including Simplified Chinese. With this one tool, you can convert anything. Below are the official descriptions and screenshots.
Format Factory is an all-in-one multimedia format converter software.
It provides the following functions:
Convert all types of videos to MP4/3GP/MPG/AVI/WMV/FLV/SWF.
Convert all types of audio to MP3/WMA/MMF/AMR/OGG/M4A/WAV.
Convert all types of images to JPG/BMP/PNG/TIF/ICO/...
Rip DVDs to video files.
Support for MP4 files in iPod/iPhone/PSP specified formats.
Source file support for RMVB.