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fre:ac

Audio converter and CD ripper

enzo1982 ✓ Verified

org.freac.freac
View on Flathub ↗

fre:ac is a free and open source audio converter that comes with an integrated tag editor and supports various audio file formats.

Features include:

  • Support for MP3, MP4/AAC, Opus, FLAC and other formats
  • Integrated CD ripper with AccurateRip support
  • Integrated player and tag editor
  • Support for playlists, cue sheets and chapters
  • Fast, multi-threaded conversion engine
  • Ability to convert to multiple formats at once
  • Can verify lossless input and output files
  • Support for freedb/CDDB queries and submits
  • Support for using command line codecs
  • User interface available in 40+ languages
  • Optional command line interface

Screenshots

fre:ac screenshot
fre:ac screenshot
fre:ac screenshot

Observed history

App ChangeVersionWhen ↓
updated1.1.713 Oct 2026

Upstream releases

Release notes supplied by the developer. These dates are not Flathub package publication times.

1.1.75 Mar 2023

New features:

  • Added a tool for splitting output by various parameters (e.g. duration or number of files)
  • Added support for dithering when reducing sample resolution
  • Added a matrix surround decoder DSP component
  • Added a volume adjustment DSP component

Improvements:

  • Added support for WavPack Hybrid Lossless compression with correction files
  • Added support for decoding MPEG-4 DASH files
  • Added support for opening WebM audio files with the .weba extension
  • Added support for downmixing 6.1 channel audio
  • Added support for MusicBrainz metadata in ID3v2, MP4, Vorbis Comment and APEv2 tags
  • Added support for sort order fields in ID3v2, MP4, Vorbis Comment and APEv2 tags
  • Added support for rating field in Vorbis Comment, APEv2, MP4 and LIST INFO tags
  • Added rating field to the tag editor
  • Added optional release year column to the joblist
  • Changed <disc> filename placeholder to resolve to 1 if disc number is not set
  • Improved compatibility with applications writing non-compliant LIST INFO tags (e.g. Traktor)
  • Added an option to use source file names as output file names if no metadata is present
  • Added an option to control extraction of missing metadata from file names
  • Added an option to restrict file names for reading cover art
  • Added an option to disable intensity stereo phase inversion to Opus settings
  • Added AccurateRip notification options for successful verification and missing database entries
  • Sample rate conversion no longer converts to 32 bit float when the source rate matches the target
  • Added negative exit codes to indicate errors when running freaccmd
  • Added support for KDE color schemes (including dark mode)
  • Improved HiDPI scale factor detection in KDE desktop environments
  • Respect text scaling factor in addition to font size setting on X11 based systems

Bug fixes:

  • Fixed failure (hang and abort after several seconds) to decode chapters from ALAC files
  • Fixed interoperability issues of HE- and HEv2-AAC files created with FDK-AAC with foobar2000
  • Fixed incorrect gapless information when creating HE- and HEv2-AAC files with FDK-AAC
  • Fixed incorrect index times in cuesheets for very long multi-track files
  • Fixed incorrect inclusion of data tracks in the audio track count of CD offset strings
  • Fixed excessive bitrate when encoding Vorbis on non-x86 LP64 systems
  • Fixed decoding of MP4 files with a single chunk taking excessively long
  • Fixed HDCD detection for tracks starting with more than about one second of silence
  • Fixed floating point samples being converted to integer when creating WavPack files
  • Fixed inability to close cover art popup window on Linux

Updated codecs:

  • Updated ALAC decoder for security fixes and improved performance
  • Updated FFmpeg to version 6.0
  • Updated Monkey's Audio to version 9.20
  • Updated WavPack to version 5.6.0
  • Updated FLAC to version 1.4.2
  • Updated Speex to version 1.2.1
  • Updated MP4v2 to version 2.1.2
  • Updated mpg123 to version 1.31.2
  • Updated libsndfile to version 1.2.0

Updated translations:

  • Updated Greek translation
1.1.621 Jan 2022

New features:

  • Added support for editing lyrics in the tag editor
  • Added support for creating cue sheets and playlists with freaccmd

Improvements:

  • Improved performance of adding video and proprietary audio files (DTS, DSD etc.) to the joblist
  • Playlists can now be added to the joblist by drag & drop
  • Added <tempo> and <initialkey> placeholders for use in filename patterns
  • Added optional composer, conductor, tempo, musical key and ISRC columns to the joblist
  • Added initial key field to tag editor
  • Added support for lyrics in ID3v2, MP4, Vorbis Comment, APEv2 and WMA tags
  • Added support for parsing OverDrive MediaMarkers in ID3v2 tags
  • Added support for the pre-emphasis flag in cue sheets

Bug fixes:

  • Fixed possible crash upon querying the CDDB database
  • Fixed possible crash in FAAD2 decoder when trying to open unsupported files
  • Fixed faulty decoding of certain AAC files caused by a bug in the FDK-AAC decoder
  • Fixed possible faulty output when decoding from non-zero positions using external decoders
  • Fixed issue ripping CD tracks when output filename pattern is <filename>
  • Fixed AccurateRip reporting verification errors for hidden track one audio
  • Fixed setting to replace spaces not being respected when writing cover art and log files
  • Fixed setting to suppress Unicode characters not being respected when writing cover art and log files
  • Fixed tag editor fields for media type, catalog number and barcode being limited to 12 characters

New and updated codecs:

  • Added native Apple Lossless decoder
  • Updated FFmpeg to version 5.0
  • Updated Monkey's Audio to version 7.23
  • Updated mpg123 to version 1.29.3
  • Updated libsamplerate to version 0.2.2

New translations:

  • Added Swedish and Portuguese (Brazilian) manuals
1.1.527 Jun 2021

New features:

  • Added support for AccurateRip verification

Improvements:

  • Added frequency bandwidth setting to FDK-AAC encoder configuration dialog
  • Added an option to toggle logging of complete paths in log files
  • Added options for specifying cover art files to freaccmd
  • Added support for reading Shift_JIS encoded CD-Text
  • Added support for writing album and track comments to cue sheets
  • Added support for ID3v2 tags in RF64 files
  • Added support for updating Vorbis Comment tags
  • Added support for updating ID3v2 tags in RIFF and AIFF files
  • Added support for updating LIST INFO tags in RIFF, RF64 and Wave64 files
  • Added support for ensemble field in Vorbis Comment and APEv2 tags
  • Added support for movement field in ID3v2, Vorbis Comment, APEv2 and MP4 tags
  • Added support for additional URL fields in APEv2 tags
  • Added a tag editor option to keep album artist even if identical to track artist
  • Added media type field to tag editor

Bug fixes:

  • Fixed hotspot for genre edit field utility menu not covering the whole width of the field
  • Fixed occasional crashes when selecting codec subformat using the "Start encoding with" menu
  • Fixed chapter marks being offset by a few seconds when using DSP processing
  • Fixed playback not working when using certain combinations of DSP processors
  • Fixed incompatibility of FDK-AAC encoded HE and HEv2 AAC files with iTunes
  • Fixed issue decoding FLAC files with unknown length
  • Fixed glitches decoding transients in some Vorbis files
  • Fixed possible crashes when decoding Opus files
  • Fixed rare crashes in LAME encoder component
  • Fixed strings read from ID3v2 tags being limited to 1024 characters
  • Fixed crash when reading malformed CD-Text genre IDs
  • Fixed failure ripping with negative read offset
  • Fixed UI glitches and crashes on exit when running in a Wayland session
  • Fixed popup menu and dropdown list closing behavior on non-Windows platforms
  • Fixed issues with custom DPI settings on Xfce desktops
  • Fixed drag & drop working unreliably on X11 based systems

Updated codecs:

  • Updated FFmpeg to version 4.4
  • Updated Monkey's Audio to version 6.29
  • Updated mpg123 to version 1.28.0
  • Updated libfdk-aac to version 2.0.2
  • Updated libogg to version 1.3.5
  • Updated libsndfile to version 1.0.31
  • Updated libsamplerate to version 0.2.1

Updated translations:

  • Updated Norwegian translation
  • Updated Russian manual
1.1.414 Feb 2021

Improvements:

  • Improved support for reading CD-Text
  • Added an HDCD decoder DSP filter
  • Added catalog number and barcode fields to tag editor
  • Added quality (VBR) setting to FDK-AAC configuration dialog
  • Improved MP3, AAC and Opus encoding performance by up to 30%
  • Improved multi-monitor support on X11 based systems
  • Discs of multi-disc albums are now shown separately in tag editor album mode
  • Update only changed fields when making edits in tag editor album mode
  • Added support for Replay Gain values in MP4 and WMA metadata
  • Do not override settings with default values when using freaccmd's --config option

Bug fixes:

  • Fixed invalid length written to very long Opus and Speex files (longer than 12 ½ hours at 48 kHz)
  • Fixed decoding of some very short Opus, Vorbis and Speex files
  • Fixed written MP4 chapters being invisible to some applications when using Nero AAC
  • Fixed hang/crash when opening WavPack, Musepack, TAK and OptimFROG files with chapters
  • Fixed issues submitting CDDB information for new CDs (without existing entries)
  • Fixed output sample rate being limited to 192 kHz
  • Fixed freaccmd randomly failing to process files in rare cases
  • Fixed bad user interface colors on some Linux distributions

Updated codecs:

  • Switched from FAAC to FDK-AAC for AAC encoding
  • Updated Monkey's Audio to version 6.11
  • Updated WavPack to version 5.4.0
  • Updated mpg123 to version 1.26.4
  • Updated FAAD2 to version 2.10.0

Updated translations:

  • Updated Romanian translation
  • Updated Portuguese (Brazilian) translation