4Easysoft Mac iRiver Video Converter is an excellent iRiver Video Converter for Mac software which can convert video to iRiver Mac and convert video formats from one to another with perfect output quality and high conversion speed for Mac OS X users. It supports converting all popular video formats to iRiver WMV, AVI, MP4, H.264/MPEG-4 AVC(.mp4) and convert audio to audio or extract audio from video to MP3, OGG, WMA, WAV, M4A format for the music enjoyment on all types of iRiver players.4Easysoft Mac iRiver Video Converter software lets you set video brightness, contrast, saturation, crop video, trim video/audio and even merge multiple files into one file. Key Features 1. Multiple input and output formats Convert video to iRiver Mac Input video formats include AVI, 3GP, 3G2, MPG, VOB, MP4, TS, WMV, MKV, FLV, SWF, MOV, and HD TS, HD MPEG, HD MP4, HD WMV, HD H.264, etc… Extract audio from video or convert audio to audio This versatile iRiver Video Converter for Mac also provides the function of converting video to audio, audio to audio. The supported output audio formats for iRiver are MP3, OGG, WMA etc. Output videos/audio to be acceptable by various iRiver modes iRiver Video Converter for Mac works perfectly for almost all iRiver modes like iRiver X20, iRiver B20, iRiver Clix, iRiver SIREN DP350 and many other digital video and audio players. 2. All-round editing functions Trim video and audio files If you want to capture any parts from your video or audio, you can trim them by setting Start Time and End Time or by dragging the start slider and the end slider. Crop video Remove the black video sides during playback by cropping video to only keep the real video part or selecting aspect ratio: keep original, full screen, 16:9 or 3:4. Set output effect Watermark function to make your video special and stylisht.