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Convert to AVI and other formats all your favorite video files in one go

XP Codec Pack is one of the most complete codec packs

Cut and convert video files

Imports, manages and writes video files on disks

Play, edit, and convert MP4 videos to MP3, WMA, and OGG files

Video editor with collaborative features

Windows

Windows Mac

Iryna Poryvai

Math Games

Free

Increase the concentration, reaction, and speed of your brain with Math quizzes.