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Formats / M4B

Convert M4B files

Convert M4B (Audiobook (M4B)) files into 30 formats, right in your browser. .m4b · audio/mp4

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Convert this format into · 30

M4B→AACM4B→AC3M4B→ADXM4B→AIFFM4B→ALACM4B→APTXM4B→AUM4B→CAFM4B→DTSM4B→EAC3M4B→FLACM4B→G722M4B→GSMM4B→M4AM4B→MKAM4B→MMFM4B→MP2M4B→MP3M4B→MP4M4B→OGAM4B→OGGM4B→OPUSM4B→SBCM4B→SPXM4B→TTAM4B→VOCM4B→W64M4B→WAVM4B→WMAM4B→WV

Convert into this format · 60

3G2→M4B3GP→M4BAAC→M4BAC3→M4BADX→M4BAIFF→M4BALAC→M4BAMR→M4BAPE→M4BAPTX→M4BASF→M4BAU→M4BAVI→M4BBINK→M4BCAF→M4BDSF→M4BDTS→M4BDV→M4BEAC3→M4BF4V→M4BFLAC→M4BFLV→M4BG722→M4BGSM→M4BGXF→M4BH261→M4BH263→M4BIVF→M4BM2V→M4BM4A→M4BM4V→M4BMKA→M4BMKV→M4BMMF→M4BMOV→M4BMP2→M4BMP3→M4BMP4→M4BMPG→M4BMTS→M4BMXF→M4BNSV→M4BNUT→M4BOGA→M4BOGG→M4BOGV→M4BOPUS→M4BQCP→M4BRM→M4BSBC→M4BSHN→M4BSMK→M4BSPX→M4BSWF→M4BTS→M4BTTA→M4BVOB→M4BVOC→M4BW64→M4BWAV→M4B

Frequently asked questions

How do I convert a M4B file?

Drop the file into the window, pick the target format, and download the result. No account required.

Do I need to install anything?

No. It runs in your browser. A Windows installer is available separately if you prefer one.

What if the format I want isn't listed?

Every engine's capabilities are merged into a single graph, so unlisted pairs are chained automatically through intermediate formats along the least-lossy route.