Add your M4V file
Drop one or more .m4v files onto the converter above, or browse for them. They load into browser memory only — nothing is uploaded, so there is no size-based pricing and no server queue.
M4V to DIVX
Pulling the soundtrack out of a .m4v video into .divx audio keeps what you can hear and drops the picture entirely. Free, private, and validated — the file never leaves your browser.
Private for supported formats — processed in your browser
Runs on your deviceConvert supported files
Drop M4V files here
Batch files can each use a different output. Nothing uploads for local conversions.
Working inputs include camera RAW, browser-local audio/video, PDF, CBZ/CBR comics, office documents, ebooks, markup, 3D models, structured text, images, and archives.About converting MPEG-4 video to DivX video
Pulling the soundtrack out of a .m4v video into .divx audio keeps what you can hear and drops the picture entirely. An .m4v file is Apple's flavor of the MPEG-4 container, used by iTunes for movies, TV episodes, and music videos. Structurally it is almost identical to .mp4, but the .m4v extension signaled iTunes-specific features such as chapter markers and, on purchased content, FairPlay copy protection.
A .divx file is video packaged for the DivX ecosystem: an AVI-derived container carrying MPEG-4 Part 2 video compressed with the DivX codec. The extension appeared on rips and downloads throughout the 2000s, when DivX certification logos on DVD players promised these files would play from burned discs. For this route the practical draw is decodes with any MPEG-4 Part 2 decoder, including ffmpeg and VLC and considerably better compression than the DVD MPEG-2 it typically replaced — balanced against obsolete next to H.264 and H.265, needing more bits for the same quality, which is worth knowing before you commit a large batch.
Why convert M4V to DIVX?
The usual reason to take .divx audio out of a .m4v file is that only the sound matters — a talk, interview, song, or podcast segment. Keeping the video stream would waste storage, and a dedicated audio file is easier to trim, tag, and play. On the source side, fairPlay-protected files play only in Apple apps on authorized devices, and no converter can open them; on the target side, the payoff is decodes with any MPEG-4 Part 2 decoder, including ffmpeg and VLC, which is exactly what you want for playing movie archives from the 2000s downloading era.
M4V vs DIVX at a glance
| Aspect | MPEG-4 video (.m4v) | DivX video (.divx) |
|---|---|---|
| Format type | Container — quality depends on the codecs and settings inside | Container — quality depends on the codecs and settings inside |
| How it stores data | identical ISO base media layout to MP4, distinguished only by branding atoms and the extension | aVI-compatible RIFF layout extended by the DivX Media Format with menus, chapters, and XSUB bitmap subtitles |
| Strongest at | playing back iTunes-era video libraries | playing movie archives from the 2000s downloading era |
| Weak spot | fairPlay-protected files play only in Apple apps on authorized devices, and no converter can open them | obsolete next to H.264 and H.265, needing more bits for the same quality |
| Metadata | full iTunes atom metadata: title, show, season, episode, artwork, chapters, and content ratings | inherits RIFF INFO tags from AVI, plus DivX-specific chapter and menu structures in Media Format files |
Pick DIVX as the output
Select .divx in the output menu next to each file. The menu only offers targets this engine can genuinely produce, so if DIVX is selectable, the route is real and validated.
Convert on your device
Press Convert. A WebAssembly FFmpeg build demuxes the audio track and re-encodes it locally; the video stream is simply discarded.
Verify and download
Each result is signature-checked before the download unlocks, so a failed encode can never masquerade as a valid DIVX file. Outputs keep the original filename with the .divx extension.
M4V to DIVX questions, answered
Will converting M4V to DIVX lose quality?
Since m4v is container-oriented and divx is container-oriented, the conversion preserves the source content exactly as stored; no additional compression pass is applied beyond what .divx itself requires.
Is it private to convert M4V files here?
Yes — the .m4v file is processed inside your browser tab and never uploaded. A WebAssembly FFmpeg build demuxes the audio track and re-encodes it locally; the video stream is simply discarded. Close the tab and the file is gone from memory.
Where will the DIVX file work?
VLC, MPC-HC, and ffmpeg open .divx files as readily as AVI, and renaming to .avi works whenever the menu features go unused. No browser or mobile platform supports the format, and DivX-certified DVD hardware was the only native device support that ever existed.
Will the DIVX file be bigger or smaller than my M4V?
Much smaller — the video stream is usually 80–95% of a .m4v file's weight, and it is discarded entirely. The remaining audio is re-encoded at the bitrate implied by your quality setting.
What happens to the metadata in my M4V file?
This converter strips container metadata deliberately (the FFmpeg command runs with metadata mapping disabled) so exported files do not leak recording details. In the source, full iTunes atom metadata: title, show, season, episode, artwork, chapters, and content ratings; none of it is transmitted anywhere because the file never leaves your browser.
Can I convert DIVX back to M4V?
Yes — the reverse route exists as a separate tool. Bear in mind that round-tripping .m4v → .divx → .m4v is not a perfect undo when any lossy step is involved; keep your original if fidelity matters.