Convert flv video file to all popular video and audio formats, this Leawo Mac FLV Converter is definitely the powerful and easy-to-use flv to video converter for Mac users. To get the best quality for converting FLV for Mac, this Mac FLV Converter specially developed the powerful video edit functions for Mac users: crop FLV frame size; trim FLV duration; set FLV contrast, brightness; watermark FLV, etc. Besides, this Mac YouTube FLV Converter also can merge multiple FLV files together and convert to videos. easily enjoy YouTube FLV video anwhere, including on all popular Portable devices like iPod, iPhone, PSP, Zune, Apple TV, 3GP/3G2 Cell Phones, Pocket PC, MP4 Player, MP3 Player, and other more. KEY FEATURES of Leawo Mac FLV Converter 1. Convert flv file to almost all popular video and audio formats. 2. Support popular Portable players. 3. Extract audio from the original videos. 4. Tirm video to retain a short duration. 5. Crop video to extract the video black segments. 6. Set video and audio effects: video brightness and contrast, audio volume, etc. 7. Make the original video quality better. 8. Support batch video conversion to convert several files at one time. 9. Merge all added files and convert into a large one. 10. User-friendly flv to video file for Mac conversion interface. 11. Fast conversion speed and excellent output quality. 12. No machine performance requirements for flv to video conversion.