CONVERT
H264 → DIVX
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Fast, secure H264 to DIVX conversion. No registration required.
H264 is a video container, so playback depends on the codec inside as well as the wrapper itself. Reaching a DIVX from there is one hop. Repackaging a H264 file into DIVX is one of the fastest video jobs there is. When the codecs already match the target container specification, the bytes are literally copied across — no re-encoding, no quality drop, no long wait. Upload above and watch the progress bar usually fly. A quick refresher — H264 is a video container, so playback depends on the codec inside as well as the wrapper itself. By contrast, DIVX is a video container, so playback depends on the codec inside as well as the wrapper itself.
H.264 Raw Stream
Source formatH.264 raw stream is an elementary bitstream containing only the video data encoded with the H.264/AVC codec without any container. It is commonly used as an intermediate format in video processing pipelines and for hardware encoder output.
DivX Video
Target formatDivX is a video codec and container format based on MPEG-4 ASP that gained popularity in the early 2000s for compressing DVD-quality video to CD-size files. DivX-certified devices and players still support the format worldwide.
Why convert H264 to DIVX
DivX Video is better supported than H.264 Raw Stream across web uploads, social networks and consumer devices. Converting trades the niche advantages of H264 for broad playback and fewer "file type not supported" messages. Stream copy (when codecs match) keeps the video bit-identical to the source.
HOW TO CONVERT
H264 → DIVX
Upload the H264
Drop your H264 onto the uploader. Files up to 100 MB run on the free tier without registration.
Stream-copy or re-encode
FFmpeg probes the codecs; if compatible, it stream-copies (no quality loss). Otherwise it transcodes at matching bitrate.
Download the DIVX
Fetch the converted DIVX as soon as it is ready. Both files auto-delete within two hours.
Common Use Cases
Social media uploads
Twitter, Instagram, TikTok and LinkedIn accept DIVX directly; H264 is typically rejected or transcoded with unpredictable quality.
Smart TV and Chromecast
Many TVs play DIVX out of the box — H264 often shows up as "unsupported format" or skips audio tracks.
iPhone and iPad playback
iOS Photos, AirDrop and native Safari decode DIVX without third-party apps; H264 frequently needs VLC.
Web video embeds
HTML5 <video> tags play DIVX universally; H264 often requires clunky object-tag fallbacks or server-side transcoding.
H264 vs DIVX — Strengths and limitations
What each format does best, and where it falls short.
H264 Strengths
- Universal hardware decode on every device since ~2010.
- 40-50% smaller than MPEG-2 at equal quality.
- Mature ecosystem with dozens of encoders (x264 is the open-source gold standard).
- Every browser, phone, TV, and car infotainment supports H.264.
- Supports everything from 144p vertical phone video to 8K HDR masters.
Limitations
- Patent-encumbered — encoding royalties apply for commercial use.
- 30-50% larger than H.265/AV1 at equivalent quality.
- Raw .h264 bytestreams have no timecode — containers (MP4/MKV) add that.
DIVX Strengths
- Massively efficient for the early-2000s era — 700 MB for a full movie was revolutionary.
- Universal desktop playback via Windows Media Player + DivX codec pack.
- Spawned a hardware ecosystem — DivX-certified DVD players.
- Open-source fork XviD keeps the format alive.
Limitations
- Patent-encumbered (MPEG-4 Part 2 patents).
- Obsolete — H.264 and HEVC compress 2-3× better.
- Quality degrades noticeably on fast-motion scenes.
H264 vs DIVX — Technical specifications
Side-by-side comparison of the technical details.
H264
- MIME type
- video/h264
- Extensions
- .h264, .264, .avc (raw bytestream)
- Standard
- ITU-T Rec. H.264 / ISO/IEC 14496-10 (AVC)
- Typical containers
- MP4, MKV, MOV, TS, FLV
- Profiles
- Baseline, Main, High, High 10, High 4:2:2, High 4:4:4
DIVX
- MIME type
- video/x-divx
- Extensions
- .avi (container), .divx (branded)
- Codec
- MPEG-4 Part 2 Advanced Simple Profile
- Typical container
- AVI
- Open-source fork
- XviD (patent-free)
| Specification | H264 | DIVX |
|---|---|---|
| MIME type | video/h264 | video/x-divx |
| Extensions | .h264, .264, .avc (raw bytestream) | .avi (container), .divx (branded) |
| Standard | ITU-T Rec. H.264 / ISO/IEC 14496-10 (AVC) | — |
| Typical containers | MP4, MKV, MOV, TS, FLV | — |
| Profiles | Baseline, Main, High, High 10, High 4:2:2, High 4:4:4 | — |
| Codec | — | MPEG-4 Part 2 Advanced Simple Profile |
| Typical container | — | AVI |
| Open-source fork | — | XviD (patent-free) |
H264 vs DIVX — Typical file sizes
Approximate file sizes for common scenarios.
H264
- 1080p 30fps @ 5 Mbps (1 min) ~37 MB
- 4K 60fps @ 35 Mbps (1 min) ~260 MB
- HD streaming (1 hour, 6 Mbps) ~2.7 GB
DIVX
- 90-min movie (700 MB DivX target) ~700 MB
- 45-min TV episode (DivX rip) 350-500 MB
Quality & Compatibility
Stream-copy is bit-perfect: when the codecs inside H264 match what DIVX can carry, the frames are copied across without re-encoding and the output is visually identical to the source. When transcoding is required, we target CRF 20–23 H.264 — visually transparent for most content — and keep audio bitrate at 192 kbps AAC.
Tips for Best Results
- Stream-copy beats re-encoding by orders of magnitude — check if your H264 already uses DIVX-compatible codecs before picking Advanced settings.
- For social uploads, 1080p at 30 fps strikes the best quality-to-size ratio; 4K is often downscaled server-side anyway.
- Keep the H264 if you plan further editing — transcoded DIVX is fine for final delivery but not for intermediate edits.
Frequently Asked Questions
Only when it has to. If the codecs inside H264 (usually H.264 or H.265 for video, AAC for audio) are accepted by DIVX, we stream-copy — the bytes are repackaged into the new container with zero re-encoding and no quality loss. When the source uses a codec the target does not support, we transcode at a matching bitrate to keep the visual quality close to the original.
With stream copy, expect the job to finish in seconds to tens of seconds regardless of video length — the work is mostly rewriting the container. Transcoding is slower (roughly real-time: a ten-minute clip takes about ten minutes) because every frame must be decoded and re-encoded. The progress bar shows which mode applies.
Yes. Resolution, frame rate, colour space and bit depth are preserved by default; stream copy is literally bit-identical on these parameters. If you explicitly pick a lower bitrate or a different codec in Advanced, the output is rebuilt to those settings, but the default is always "match the source".
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Related Guides
H.264/AVC Video Codec: Complete Technical Guide
Complete technical guide to H.264/AVC video codec: motion compensation, intra prediction, profiles (Baseline/Main/High), levels, CRF quality, x264 encoder settings, and container formats.
Read guideHEVC / H.265 vs H.264: Differences, Compatibility, and When to Use Each
What is HEVC H.265, how much better is the compression vs H.264, which devices support it, and when does it make sense to use H.265 instead of H.264.
Read guideSecure & Private Conversion
Your files are encrypted during transfer, processed in isolated containers, and automatically deleted within 60 minutes. We never read, share, or store your data.