Avconverter: convert almost everything in everything

Do you need to convert JPG to PDF, PDF to PNG? Do you want to extract MP3 audio from an AVI or MPEG video? Do you want to convert MPEG to AVI? ...
With AvConverter it is possible almost every kind of file convertion. In Debian-like systems it is possible to install it as a nautilus script with this procedure:

1. install mandatory requirement packages launching in a terminal this command:

sudo apt-get install xterm zenity ffmpeg imagemagick mencoder links espeak

2. you can also install non-mandatory requirement packages launching in a terminal this command:

sudo apt-get install gawk antiword odt2txt odt2txt nrg2iso daa2iso uif2iso acetoneiso

3. download the package:

sudo wget http://gnomefiles.org/CONTENT/content-files/92533-avconvert.tar.gz

4. extract the package:

tar -zxvf 92533-avconvert.tar.gz

5. copy the script between nautilus scripts:

sudo cp avconvert ~/.gnome2/nautilus-scripts


Now you can use Avconvert script to convert almost anything just by right clicking on the file to convert and choosing Script -> Avconvert.

Links:

http://www.avconverter.com/

http://www.edmondweblog.com/index.php/2010/11/12/avconverter-nautilus-script-per-audiovideoimmaginitextiso/