Optimized audio and video sync technology The program adopted optimized audio and video sync technology, so as to output video with better quality and never let you be troubled by the audio and video sync issues. Faster conversion speed The program's multi-thread encoding technology and CUDA support makes the conversion speed 5 times faster than ever. It is estimated that you can save at least half time to convert a video with the same size. Green codec environment You are expected to enjoy a green codec environment because its built-in codec will not install any codec on your computer, so as to avoid the unexpected codec problem. Add text, image, and video watermark Its watermark function allows you to add different watermark types, including text, image (including GIF), and video watermark. Its video watermark function will add a picture-in-picture effect on your video. Trim, crop and merge video The program allows you to trim, crop and merge videos. Trim function allows you to get a specific length of video accurately; while crop can help you cut off the black edges and unwanted video area easily, so that you can enjoy a wider screen on your portable devices like iPad, iPod, iPhone 4, Motorola Droid X, Motorola Milestone 2, Samsung Galaxy S, HTC EVO 4G, HTC Desire HD, BlackBerry Torch 9800, BlackBerry PlayBook, Windows Phone 7, Samsung Galaxy Tab, Cowon O2, etc. In addition, check the option "Merge into one file", you can join multiple videos into one bigger file for conversion. Capture thumbnails The program provides you the snapshot function, which allows you to capture the thumbnails as your wallpapers or editing elements for future use. Audio Replacement There is "replace audio" option under the Editor section of the program; therefore, you can replace the original audio with other music or sound to personalize your video.