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fre:ac screenshot
Slim CD ripper, audio encoder and converter
Developer(s) Robert Kausch
Release information
Initial release {{{released}}}
Stable release 1.0.33 (13 February 2020)
Preview release 1.1 RC 2 (22 March 2020)
Operating system Windows, Linux, macOS, FreeBSD
Additional information
Use Digital Audio Extraction, transcoding
License GPL

fre:ac (formerly BonkEnc) is a CD ripper, audio encoder and converter for various formats. It's a very slim program and can be run from a USB stick. fre:ac is available under GPL license and has native support for numerous languages.

The stable version is available for Windows only. Support for Linux, macOS and FreeBSD has been added in recent development releases.


Supported by the stable release:

  • CD ripping
    • cdparanoia mode
    • jitter correction
    • CD Text support
  • Transcoding from one format to another
  • using Compact Disc Database (CDDB/freedb)
  • support ID3v1, ID3v2, MP4-Metadata, Vorbis Comment and Windows Media Tags
  • keeps album art when converting from FLAC to MP3
  • creating cue sheets and playlists
  • full UTF-8 Unicode support
  • additional command line interface (CD Ripping/Encoding)

Additional features of the preview release:

  • parallel conversion on multi-core systems
  • chapter support for ID3v2, MP4-Metadata, Vorbis Comment and Windows Media Tags
  • integrated tag editor
  • writing ripping/conversion log files
  • lossless file verification
  • rip/convert to multiple formats at once
  • multi-channel audio support
  • support for external (command line) codecs
  • support for DSP components
  • manages multiple configurations
  • HTOA ripping

Supported formats[edit]

Supported by the stable release:

Additionally supported by the development release:

Supported languages[edit]

  • Afrikaans
  • Arabic
  • Basque
  • Bulgarian
  • Cantonese
  • Catalan
  • Chinese (Simplified)
  • Chinese (Traditional)
  • Corsican
  • Croatian
  • Czech
  • Danish
  • Dutch
  • English
  • Esperanto
  • Estonian
  • Finnish
  • French
  • German
  • Greek
  • Hebrew
  • Hungarian
  • Italian
  • Japanese
  • Korean
  • Lithuanian
  • Norwegian
  • Polish
  • Portuguese
  • Romanian
  • Russian
  • Serbian (Cyrillic script)
  • Serbian (Latin script)
  • Slovak
  • Spanish
  • Swedish
  • Turkish
  • Ukrainian
  • Vietnamese