“RoboBraille is a web and email service capable of converting documents into a range of accessible formats including Braille, mp3, e-books and Daisy. The service can furthermore be used to convert otherwise inaccessible documents such as scanned images and pdf files into more accessible formats.”.
It works in several languages and the conversion is for free.
“RoboBraille was invented in 2004 by Lars Ballieu Christensen, a computer scientist and social entrepreneur and Svend Thougaard, an alternate media specialist. ”
Robobraille website: http://www.robobraille.org/