How to reduce avi file size? Are there any way to compress or reduce the AVI file size ? Re-encoding the movie will reduce file size but quality wont be as good as the original. Or if you only need to shave off a few Mbytes, you can try cutting out the credits of the movie or re-encode the audio with a lower bitrate. 1) Download Free Zwei-Stein Editor: zweifull.exe. Launch Zwei-Stein (click Start -> Programs -> Thugs at Bay -> Zwei Stein). 2) Click File -> Import -> Import Video Clip. Open your avi file. 3) Click Destination -> Video Format. Choose minimal video resolution. 4) Click Destination -> Frames per second. Choose desired fps value (minimal or acceptable). 5) Finally, click Destination -> Export -> Video for Windows -> ... choose filename. Select sound quality (to minimize file size use average quality). OK. Choose XviD. Done! AVI file size has been reduced.  Try Commercial Solution:  Resize video, optimize quality and size of video files for publishing in Internet