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I have large (4 GB each) HD video files (.avi) recorded using Fraps.

What application and codec (freeware) can I use to encode these videos and make them smaller?

I'd like my videos to be watchable on Windows, Linux, Mac OS X and possibly in browsers with HTML5 support.

I've already made a search and found out that h.264 should be OK. But I can't figure out how to encode my videos using it. I've found x264 project and x264 unofficial binary. But it seems to be a command line utility which is hard to use.

Added: My OS is Windows XP or 7, but crossplatfrom solution would be preffered.

share|improve this question
So we know what Os you want it to work for, but what OS are you on or prefer to do the encoding? I disagree that 264 is ok, there are many devices and computers not yet set up for that. Some older small devices (like our gpses) cant use that codec although they can easily use the standard Xvid and divx and MSes MP4 codecs, it would just depend on what software they have and use and what they will install. Check this, whatever you use see if it will work in a Stock MS xp and win7 and stock Mac and stock Iphone and ipad, without a single change, using built in players. – Psycogeek Mar 25 '12 at 8:35
possible duplicate of What is your favorite transcoding software? – slhck Mar 25 '12 at 8:37
Lame duplicate, but just try a few applications suggested there! See also, our blog entry: Video Conversion done right: Codecs and Software - Super User Blog – slhck Mar 25 '12 at 8:37
@Psycogeek, I've added OS – geotavros Mar 25 '12 at 10:18
Depends on your application afterwards — x264 will offer better compression and quality, but it takes longer to encode and might be troublesome for legacy devices. Xvid is easier to encode but results in larger files, yet slightly better compatibility. – slhck Mar 25 '12 at 10:56

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