Step 1: Drop your DivX files using the button above or by deposit and leave.
Step 2: Click the 'Convert' button to start the conversion.
Step 3: Receive your converted MP4 files.
DivX to MP4 Conversion FAQ
Is the DivX to MP4 converter free?
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Yes. One conversion an hour is free, with no account needed, for a file within the free size limit. A paid plan removes the hourly limit and the size limit, and lets you add several files to one job.
My DivX footage shows comb lines on movement — will that carry into the MP4?
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Yes. DivX content is often interlaced, because the format comes from the broadcast and DVD era, and this converter has no deinterlace option, so the combing carries into the MP4. If it matters, deinterlace the DivX first in a desktop tool such as HandBrake or ffmpeg (the yadif filter). 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.
My DivX recordings are split into numbered parts — does MP4 have the same limit?
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No, and that is one of the better reasons to move. The DivX container has a practical single-file ceiling that long or high-bitrate recordings run straight into, which is exactly why old captures arrive as part1, part2, part3. MP4 has no equivalent limit, so the pieces can be rejoined into one continuous file. 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 I add selectable subtitles once the file is MP4?
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Yes. DivX has no usable soft-subtitle track, so subtitles for DivX content had to be burned into the picture or shipped as a separate sidecar file. MP4 carries subtitles as their own selectable stream, so after conversion you can attach an SRT track the viewer can switch on, switch off or restyle. Almost every MP4 in the wild is H.264 video with AAC audio; the container also legally holds HEVC, AV1 and VP9.
My DivX has several audio tracks — do they all survive into the MP4?
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No. The converter keeps one audio track, the one with the most channels (normally the main mix), and drops the rest; there is no setting to pick a different one. To keep another track, remux the DivX with that track first (VLC or ffmpeg can do this), then convert it. DivX-certified DVD players are still common, and the codec remains the compatibility floor for a whole generation of set-top hardware. MP4 only supports one widely-honoured subtitle format (mov_text), and multi-track audio is unreliable outside desktop players.
Will the MP4 play in a browser when the DivX would not?
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Yes, and that is usually the whole reason for the conversion. A DivX embedded in a web page either shows a broken player or forces a download, because browsers ship no decoder for it. MP4 plays inline through the native HTML5 video element with no plugin and no external application. MP4 is the safest possible delivery target — every phone, browser, console, editor and Smart TV built in the last decade plays it without extra software.
Is MP4 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. DivX content is MPEG-4 Part 2 video, usually wrapped in AVI, with MP3 or AC-3 audio alongside it.
How big a DivX file can I convert to MP4?
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Free conversions have a size limit per file, set by the type of file, and the page tells you when a file is over it. A paid plan removes that limit, so much larger files can be converted.
Can I convert many DivX files to MP4 at once?
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Several files in one job need a paid plan. Free use is one file per conversion, one conversion an hour. On a paid plan you can add several files to one job, then download each result on its own or all of them in one ZIP.
Does the DivX to MP4 converter work on phones and tablets?
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Yes — the UI is responsive and the conversion pipeline runs server-side, so mobile devices upload-then-download just like desktops. iOS and Android browser file pickers (camera roll, Files app) work end-to-end.
