FF Multi Converter is a program that lets you convert video, audio, image, and document files between different file formats. The application uses ffmpeg for audio and video files, ImageMagick for images and unoconv for documents.
Installation is relatively easy. If you run Ubuntu (or Ubuntu-based distributions), you can install it FF Multi Converter using them commands:
sudo add-apt-repository ppa:ffmulticonverter/stable sudo apt-get Update sudo apt-get install ffmulticonverter
Arch Linux users can install the application via AUR. For other Linux distributions, you can visit it download page of the program for instructions.
Immediately after installation and depending on what you want to do, you will need to install the subnames of the program (if you do not already have them) such as unoconv etc. The program warns you if any of them are missing to take the next step.
The application is of course completely free, written in python3 and PyQt4, and has the ability to convert almost everything in any form. See a list with the possibilities conversionfiles:
Audio / Video formats: aac, ac3, afc, aiff, amr, asf, avi, avi, dvd, flac, flv, mka, mkv, mmf, mov, mp3, mp4, mpg, ogg, , vob, wav, webm, wma, wmv
Image formats: bmp, cgm, dpx, emf, eps, fpx, gif, jbig, jng, jpeg, mrsid, p7, pdf, picon, png, ppm, psd,
Document file formats: doc, odt, pdf, html, ppt, rtf, sxw, txt, xml, sdw.
Currently the current version is 1.7.2 and has been released since December 5 2015.