Install FF-Multi Converter 1.4.3 in Ubuntu 12.10/12.04/11.10/13.04/Linux Mint 14/13/12

Install FF-Multi Converter in Ubuntu 12.10 Quantal/Ubuntu 12.04 Precise/Ubuntu 11.10 Oneiric/Ubuntu 11.04/10.04/Ubuntu 13.04 Raring/Linux Mint 14/13/12

FF-Multi Converter is a simple graphical application which enables you to convert audio, video, image and document files between all popular formats, using and combining other programs. It uses ffmpeg for audio/video files, unoconv for document files and PythonMagick library for image file conversions.
The goal of FF Multi Converter is to gather all multimedia types in one application and provide conversions for them easily through a user-friendly interface. Extra options will be gradually added.

Features:

• Conversions for several file formats.
• Very easy to use interface.
• Access to common conversion options.
• Audio/video ffmpeg-presets management.
• Options for saving and naming files.
• Recursive conversions.

Supported formats:

• Audio/Video formats:
• aac, ac3, afc, aiff, amr, asf, au, avi, dvd, flac, flv, mka, mkv, mmf, mov, mp3, mp4, mpg, ogg, ogv, psp, rm, spx, vob, wav, webm, wma, wmv
And any other format supported by ffmpeg.
• Image formats:
• bmp, cgm, dpx, emf, eps, fpx, gif, jbig, jng, jpeg, mrsid, p7, pdf, picon, png, ppm, psd, rad, tga, tif, webp, xpm
• Document file formats:
• doc -> odt, pdf
• html -> odt
• odp -> pdf, ppt
• ods -> pdf
• odt -> doc, html, pdf, rtf, sxw, txt, xml
• ppt -> odp
• rtf -> odt
• sdw -> odt
• sxw -> odt
• txt -> odt
• xls -> ods
• xml -> doc, odt, pdf

To install FF-Multi Converter in Ubuntu/Linux Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:

Terminal Commands:
sudo add-apt-repository ppa:ffmulticonverter/stable
sudo apt-get update
sudo apt-get install ffmulticonverter

If you can't find icon launcher after installation, just open terminal and write "ffmulticonverter" to open it.
That's it

Source: ff-multi converter