• Convert Audiobook from mp3 to m4b.
• Convert mp3 to Audiobook (AAC)
• Convert mp3 to ipod format.
• Convert mp3 to IBook (IPhone) format.
• Convert wma to Audiobook (AAC)
• Convert m4a to Audiobook (AAC)

Short video demonstrating latest features related to chapters support: https://www.youtube.com/watch?v=N7JrujMfids

• Parallel encoding: more cores - faster results
• Parallel processing of conversions queue: prepare next book while encoding another
• Smart artwork support: combined from MP3 artwork and cover files from MP3 directory
• Unicode tags support: keep tags in own language
• Chapters support: jump to the right chapter quickly
• Flexible quality management: find balance between size and quality
• Instant playback: listen what you are going to encode
• Simple and lightweigh user interface: Convert a book with few clicks

• Performance improved form 5 to 15x times (depending on numbers of cores), old version of Faac replaced with fresh FFMpeg.
• Added super-fast mode of parallel encoding of MP3 files.
• Added Artwork support, smart combination of MP3 images and all images in MP3 folders.
• Added Chapters support, based on MP3 files.
• Added Qualtity management.
• Parallel conversion of queue of several books.
• Improved (both speed and quality) of mp3 decoding due to switch to ffmpeg from java based decoder.
• Improved tags support according to MP4 specification.
• Fixed tags encoding issues due caused by legacy MP3 problems.
• Fixed tags encoding issues with non-latin characters.
• Faac replaced with FFMpeg
• Added MP4V2 to support media for m4b (due to existing issue in ffmpeg https://trac.ffmpeg.org/ticket/2798)
• 64-bits only support.

Original version was developed by Florian Fankhauser. Read history