AVI Joiner is a Graphic Apps::Editors software developed by DigitByte Studio. After our trial and test, the software was found to be official, secure and free. Here is the official description for AVI Joiner: AVI Joiner is an easy-to-use tool for joining several AVI files into bigger one. Because the program does not recompress the avi files, the audio and video of the output avi file does not have any quality loss. And the conversion speed is extremely fast. It also supports to drag and drop files. Only the AVI files, which have same frame rate, frame size, video codec and audio parameters, can be joined. you can download AVI Joiner free now.