mp4 m4b

Convert MP4 Video to M4B Audiobook Online

Convert MP4 to M4B online for free. Fast, secure file conversion with no registration required.

MP4 vs M4B

MP4 M4B
Full Name MP4 Video M4B Audiobook
Category Video Audio
MIME Type video/mp4 audio/mp4
File Extension .mp4 .m4b
Max Upload 500 MB —

How to Convert MP4 to M4B

  1. Select your MP4 file using the upload area above
  2. Click "Convert to M4B" to start the conversion
  3. Wait for the conversion to complete
  4. Download your M4B file

About MP4 Format

MP4 (MPEG-4 Part 14) is the most widely used video container format. It supports video, audio, subtitles, and metadata with efficient H.264/H.265 compression. The universal format for web video, streaming, and mobile devices.

About M4B Format

M4B Audiobook is an audio file format. Convert it to MP3, WAV, FLAC, or other audio formats with FileCraft.

Frequently Asked Questions

Upload your MP4 file using the upload area above, then click "Convert to M4B". The conversion starts automatically and you can download the result when it's ready.

Yes, FileCraft's MP4 to M4B converter is completely free with no registration, watermarks, or hidden fees. You can convert as many files as you need.

Yes. Your files are processed securely and automatically deleted from our servers after conversion. We do not store, share, or access your files.

Most video files convert in a few seconds. Larger files may take slightly longer depending on file size and complexity.

You can upload MP4 files up to 500MB for free conversion. For most use cases this is more than sufficient.

Other MP4 Conversions

89 formats
MP4 3G2 MP4 3GP MP4 AAC MP4 AC3 MP4 AI MP4 AIF MP4 AIFF MP4 AMR MP4 APNG MP4 ASF
MP4 3G2 MP4 3GP MP4 AAC MP4 AC3 MP4 AI MP4 AIF MP4 AIFF MP4 AMR MP4 APNG MP4 ASF MP4 AVI MP4 AVIF MP4 BMP MP4 DPX MP4 DTS MP4 DV MP4 EAC3 MP4 EPS MP4 EXR MP4 F4V MP4 FITS MP4 FLAC MP4 FLV MP4 GIF MP4 HDR MP4 HTM MP4 HTML MP4 ICO MP4 J2K MP4 JP2 MP4 JPEG MP4 JPG MP4 JSON MP4 JXL MP4 M2TS MP4 M4A MP4 M4V MP4 MKV MP4 MLP MP4 MOV MP4 MP2 MP4 MP3 MP4 MPEG MP4 MPG MP4 MTS MP4 MXF MP4 OGA MP4 OGG MP4 OGV MP4 OPUS MP4 PAM MP4 PBM MP4 PCX MP4 PDB MP4 PDF MP4 PGM MP4 PNG MP4 PNM MP4 PPM MP4 PS MP4 PSB MP4 PSD MP4 QOI MP4 RA MP4 RM MP4 SGI MP4 SPX MP4 SVG MP4 SVGZ MP4 SWF MP4 TGA MP4 TIF MP4 TIFF MP4 TS MP4 TTA MP4 TXT MP4 VOB MP4 WAV MP4 WBMP MP4 WEBM MP4 WEBP MP4 WMA MP4 WMV MP4 WV MP4 XBM MP4 XML MP4 XPM MP4 Y4M MP4 YAML

Convert to M4B

60 formats
3G2 M4B 3GP M4B AAC M4B AC3 M4B AIFF M4B AMF M4B AMR M4B APNG M4B ASF M4B AVI M4B
3G2 M4B 3GP M4B AAC M4B AC3 M4B AIFF M4B AMF M4B AMR M4B APNG M4B ASF M4B AVI M4B AVIF M4B BMP M4B DTS M4B DV M4B EAC3 M4B F4V M4B FITS M4B FLAC M4B FLV M4B GIF M4B ICO M4B J2K M4B JPEG M4B JXL M4B M4A M4B M4V M4B MKA M4B MKV M4B MLP M4B MOV M4B MP2 M4B MP3 M4B MPEG M4B MPG M4B MXF M4B OGG M4B OPUS M4B PAM M4B PBM M4B PCX M4B PGM M4B PNG M4B PPM M4B PSD M4B RM M4B SGI M4B STL M4B STP M4B SVG M4B SWF M4B TIF M4B TIFF M4B TTA M4B TXT M4B WAV M4B WEBM M4B WEBP M4B WMA M4B WV M4B Y4M M4B