Web-Braille Braille Ready File (.brf). Web-Braille is a service that provides electronic files of braille books, magazines, and music materials to individuals registered with cooperating libraries. Web-Braille files (BRF electronic Braille format) is designed primarily to be read on a portable braille reading device, but may be read online, or may be downloaded and imported into software packages such as the Duxbury Braille Translator or Megadots for offline viewing or embossing with a braille display, braille-aware notetaker, or braille embosser.