1. GIF stands for Graphics Interchange Format. GIFF is Graphics Interchange File Format. Converting GIF to avi is easy job. and there is no sound in avi file because GIF has no sound. It is a bitmap image format for photos with up to 256 different colors from 16,777,216 colors in 24 bit RGB. The format was created by CompuServe Inc and has since come into world widespread usage on the Internet. GIFs are compressed files, which reduces the amount of time it takes to transfer pictures over the Internet.

To convert gif to avi, Microsoft DirectX 8.1 is required. If your do not install the appropriate avi video encoder such as DivX, XviD, please install it first.

Launch Open Video Converter, click the Open Video button, select a gif animated file for gif to avi.

Audio To Video Mixer can mix gif animation and music together to an avi file.

If it is only image, please download gif to avi converter, join gif and music together.

2. Flash (formerly Macromedia Flash) is created by Adobe System company. It can edit content of animation, movie, music, and games on World Wide Web.

Swf is ShockWave Flash. FLV is Flash Video.

The converter does not convert swf to avi directly, but can convert flv to avi.  Please install FLV Splitter and FFDSHOW. Run "regsvr32 FLVSplitter.ax" to register the FLV Splitter. Launch the video converter, select the flv file can be previewed. At last start to convert flv to avi with divx or xvid.