Step 1: Provide your MP4 files using the button above or by toss and let go.
Step 2: Click the 'Convert' button to start the conversion.
Step 3: Fetch your converted DivX files.
MP4 to DivX Conversion FAQ
How do I convert MP4 to DivX without re-encoding the video stream?
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When the MP4 and DivX containers can both carry the same codec (H.264, H.265, VP9, AV1), the converter falls back to a remux: the elementary streams are copied byte-for-byte into the DivX container and only the wrapper changes. A remux of a 1 GB MP4 into DivX typically finishes in 5-15 seconds with zero quality loss. Almost every MP4 in the wild is H.264 video with AAC audio; the container also legally holds HEVC, AV1 and VP9. DivX content is MPEG-4 Part 2 video, usually wrapped in AVI, with MP3 or AC-3 audio alongside it.
What happens to the subtitle tracks in my MP4 file?
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They cannot stay selectable, because DivX has no soft-subtitle stream to hold them. There are two ways out: burn them into the video during conversion, which makes them permanent and unstyleable, or export them as a separate .srt alongside the DivX for the player to load. The converter tells you which it did rather than dropping them silently. DivX needs roughly twice the bitrate of H.264 for the same quality and has no path to HDR, 10-bit colour or resolutions beyond 1080p.
Can the DivX hold more than one audio track?
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Yes, and it is a real upgrade over MP4. DivX treats every audio stream as a first-class track, so an original-language mix, a dub and a director commentary can live in one file with the player switching between them on demand. DivX-certified DVD players are still common, and the codec remains the compatibility floor for a whole generation of set-top hardware.
Can I still embed the file on a web page after converting MP4 to DivX?
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Not directly. MP4 plays inline in every browser; DivX does not, so a page embedding it falls back to a download link or an empty player frame. If the file is destined for a website, keep the MP4 for the web and treat the DivX as the archive or editing copy.
Will the DivX still play smoothly on a phone or a TV?
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It may not. MP4 is decoded by dedicated silicon on phones, tablets and TVs, which is why it plays without flattening the battery. DivX typically falls back to software decoding on the same hardware — higher CPU load, a warmer device, and dropped frames on 4K material. For a device target, MP4 is the safer container to stay in.
Is DivX a container or a codec, and does that change what I get back?
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It changes what to expect from the output file. One side of this conversion names an encoding rather than a wrapper, so what comes back is that bitstream inside whichever container suits it best — normally MP4 or MKV. The extension reflects the container; the codec is what actually determined the file size and where it will play.
Will multi-track audio survive MP4 to DivX conversion?
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Yes — every audio track in the MP4 (director commentary, alternate languages, descriptive audio) is preserved in the DivX when the target container supports multi-stream audio. MKV and MOV handle unlimited audio tracks; MP4 supports many but some hardware players only see track 1; WebM is capped at one Opus / Vorbis track. DivX names a codec rather than a container — an MPEG-4 Part 2 implementation that made ripping a DVD to a single CD possible around 1999.
Are subtitle tracks preserved when converting MP4 to DivX?
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Soft subtitles (selectable tracks) survive when DivX can carry them: MKV holds SRT, ASS, SSA, PGS, VobSub natively; MP4 only holds mov_text (a stripped-down format). Converting an MKV with ASS styled subs to MP4 will typically downgrade them to mov_text or burn them in. Hardsubs (burned into the video) carry over regardless.
Does MP4 to DivX keep chapter markers / DVD-style navigation?
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Chapter metadata transfers between MP4 and DivX whenever both containers support a chapter atom (MKV, MP4, MOV). WebM stores chapters in a Matroska-compatible block, so MKV <-> WebM chapters round-trip cleanly. AVI has no chapter spec at all, so an AVI source arrives with no chapters to carry across and an AVI target cannot store the ones it was handed; add markers manually afterwards if you need them.
What about MKV attachments (fonts, cover art) when going MP4 to DivX?
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MKV is the only mainstream container that stores arbitrary attached files (TTF fonts for ASS subs, JPG cover art, fan-translated PDF inserts). Going from MP4 to DivX drops these attachments when DivX is not MKV — the elementary streams convert, but the attached payload stays in the source. Keep MP4 as a backup if you depend on attached fonts.
Which codec does the DivX output use by default?
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The default codec is chosen to match the DivX container conservatively: MKV defaults to H.265 (HEVC) for better compression; MP4 defaults to H.264 for the widest device support; WebM defaults to VP9; AVI uses MPEG-4 ASP (DivX/Xvid lineage). Override via the advanced codec dropdown — AV1 is available for MKV / WebM where you want maximum compression and can wait through the encode.
How does HDR (HDR10, Dolby Vision) survive MP4 to DivX?
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HDR static metadata (HDR10 mastering display values, max content light level) carries through to DivX when both containers and the chosen codec support it (HEVC, AV1 in MKV / MP4). Dolby Vision is more fragile — DV profile 5 / 7 / 8.1 in MP4 commonly survives only into MKV with HEVC; converting to a DivX container that does not carry the DV layer flattens to HDR10.
