converter audio and video to any format free

download and install offline mode here
or goto here and choose your platform

online installation via terminal (ubuntu 9.04 +) =
1. you@you:~$ wget http://www.miksoft.net/products/mmc_1.5.0_i386.deb
2. you@you:~$ sudo dpkg -i mmc_1.5.0_i386.deb
3. open your media converter = applications --> Sound & Video --> Mobile Media Converter

descriptions :

The Mobile Media Converter is a free video and audio converter for converting between popular desktop media formats like MP3, Windows Media Audio (wma), Ogg Vorbis Audio (ogg), Wave Audio (wav), MPEG video, AVI, Windows Media Video (wmv), Flash Video (flv), QuickTime Video (mov) and commonly used mobile devices/phones formats like AMR audio (amr) and 3GP video. Also, iPod/iPhone and PSP compatible MP4 video are supported.

An integrated YoutTube downloader is available for direct downloading and converting to any of these formats. Also, you can trim your clips for ringtone creation or any other purpose and crop your videos for removing up/down black bars or other unwanted parts of the image.

The program has a very easy-to-use and simple GUI (Graphical User Interface) that helps even the most amateur user. Most of the times, the only data that you must enter is the input file(s) or just drag 'n' drop the input file(s)! The 3GP and AMR formats are used by mobile phones for MMS, video and sound recordings, etc.

it's can convert from and to
Desktop Audio: mp3, wma, ogg, wav, ra (input only)
Mobile Audio: amr, mp4
Desktop Video: wmv, mpeg, avi, flv, mov, rv (input only)
Mobile Video: 3gp, mp4

Maybe you want to convert all your WMA to MP3. Or maybe to convert your MPEG videos to AVI. Whatever are your needs, Mobile Media Converter can do it. Able to read almost anything, it can be transformed into a powerful and free MP3 converter, WMA converter, WAV converter, OGG converter, MP4 converter, MPEG converter, AVI converter, (Flash) FLV converter and (QuickTime) MOV converter.

Drag and Drop support

Select the files you want to convert by dragging and dropping them on to the program window.

Cross-platform

Enjoy our software whatever is your choice in Operating System. Available in Linux and Windows.

The mighty FFMPEG

Using ffmpeg ensures maximum compability with PC and mobile formats as well as fast conversion times.

System Requirements:
Linux:
Any x86-based Linux distribution with:
- GTK+ 2.8 (or higher)
- glibc-2.4 (or higher)
- libstdc++.so.6

Mac:
- Intel Macintosh
- Mac OS X 10.5 or later

- Windows:
- Windows 98, NT (4.0 or higher), ME, 2000, 2003 Server, XP, Vista