Convert your video and audio files and customize your videos with editing effects with both high speed and quality. Xilisoft Video Converter Ultimate suports many video and audio formats, like MPEG-4, AVI, H.264, DivX, XviD, RM, FLV, SWF, MOV, 3GP, WMV, MP3, AAC, AC3, M4A, WAV, WMA, etc. The effect editing functions allows you to customize videos, such as brightness, saturation and contrast, and permits the use of artistic effects including old film, canvas and negative. Other features: Cliping and merging of segments; Multiple source files into one for output; Picture snapshot; High-Definition video encoding/decoding. You may adjust the settings for video, audio and picture, output quality, audio channels, video zoom mode, and more.