CONVERT M4V → 3GP (M4V to 3GP)
Fast, secure M4V to 3GP conversion. No registration required.
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HOW TO CONVERT M4V → 3GP
Drop the video file
Select a M4V file. We read the container and stream descriptors to plan the conversion.
FFmpeg handles the repackage
When codecs align, FFmpeg rewraps the existing streams into a 3GP container — no quality loss, near-instant finish.
Retrieve the 3GP
The 3GP download is ready in seconds for stream-copy jobs, minutes for full transcodes.
M4V is Apple's MP4 variant used by iTunes Store video content. That is why users land on this page looking for a 3GP copy. If you need a 3GP version of a M4V clip for a social platform, a stock site or a CMS upload widget, this tool handles the job without re-rendering anything when it does not have to. The output is the same pixel data in a container the destination actually accepts. Context: M4V is Apple's MP4 variant used by iTunes Store video content. 3GP is the mobile video container standardised by 3GPP for early smartphones.
Why convert M4V to 3GP
Sending M4V to someone on a non-matching operating system frequently leads to "file cannot be opened". 3GP avoids that by sitting in the middle of everyone's compatibility list. The repackage runs quickly and without generational loss when codecs already align.
M4V vs 3GP — Technical specifications
Side-by-side comparison of the technical details.
M4V
- MIME types
- video/x-m4v
- Extension
- .m4v
- Container
- MPEG-4 Part 14 (same as MP4)
- DRM
- Apple FairPlay (iTunes Store)
- Codecs
- H.264, HEVC (iTunes 4K)
- MIME Type
- video/x-m4v
- Category
- Video Files
- Full Name
- M4V Video (Apple)
- Conversion Engine
- FFMPEG
3GP
- MIME types
- video/3gpp, video/3gpp2
- Extension
- .3gp
- Container
- MPEG-4 Part 14 subset
- MIME Type
- video/3gpp
- Category
- Video Files
- Full Name
- 3GPP Video
- Conversion Engine
- FFMPEG
- Extensions
- .3gp, .3g2
- Video codecs
- H.263, MPEG-4 SP, H.264
- Audio codecs
- AMR-NB, AMR-WB, AAC
| Specification | M4V | 3GP |
|---|---|---|
| MIME types | video/x-m4v | video/3gpp, video/3gpp2 |
| Extension | .m4v | .3gp |
| Container | MPEG-4 Part 14 (same as MP4) | MPEG-4 Part 14 subset |
| DRM | Apple FairPlay (iTunes Store) | — |
| Codecs | H.264, HEVC (iTunes 4K) | — |
| MIME Type | video/x-m4v | video/3gpp |
| Category | Video Files | Video Files |
| Full Name | M4V Video (Apple) | 3GPP Video |
| Conversion Engine | FFMPEG | FFMPEG |
| Extensions | — | .3gp, .3g2 |
| Video codecs | — | H.263, MPEG-4 SP, H.264 |
| Audio codecs | — | AMR-NB, AMR-WB, AAC |
M4V vs 3GP — Strengths and limitations
What each format does best, and where it falls short.
M4V Strengths
- Fully MP4-compatible — one-line rename to .mp4 in most workflows.
- First-class support across Apple devices (macOS, iOS, tvOS, HomePod video).
- Supports chapters, closed captions, and multi-language audio tracks.
- Can hold Dolby Vision and HDR10+ metadata.
Limitations
- FairPlay DRM variants tie files to Apple IDs — moves to other ecosystems break playback.
- Extension is not strictly standardized — some tools flag it as unknown.
- Rarely used outside Apple distribution.
3GP Strengths
- Extremely low bitrate and file size — great for 2G/3G networks.
- Universal playback in feature phones and early smartphones.
- Based on MP4 — easy to convert and handle with modern tools.
- Mandatory codec in every 3G device since 2001.
Limitations
- Tiny resolutions — rarely above 320×240 in practice.
- H.263 video is far behind H.264 in compression efficiency.
- Metadata support is minimal.
Quality & Compatibility
Resolution, frame rate and colour space are preserved end-to-end. If the 3GP container does not support some M4V features (chapters, multiple subtitle tracks, DRM-protected streams), those are flattened or dropped with a warning. Hard-coded subtitles in the video frames always survive.
Tips for Best Results
- Embedded subtitle tracks convert between M4V and 3GP when both containers support the same subtitle codec; otherwise burn the subtitles into the video first.
- For portrait (9:16) clips, make sure the 3GP encoder preserves the correct display aspect ratio — some players default to 16:9 if SAR is ambiguous.
- Long recordings (over an hour) benefit from chapter metadata; 3GP may not preserve M4V chapters — check before relying on them.
Frequently Asked Questions
Only when it has to. If the codecs inside M4V (usually H.264 or H.265 for video, AAC for audio) are accepted by 3GP, 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".
M4V Video (Apple)
Source formatM4V is Apple MPEG-4 video format, similar to MP4 but may include DRM.
3GPP Video
Target format3GP is a multimedia container designed for 3G mobile phones. It stores video and audio at low bitrates optimized for limited bandwidth. Many early mobile phone recordings use this format.
Going the other way? Convert 3GP back to M4V with the same engine.
Common Use Cases
Share across platforms
Send 3GP files to anyone without worrying about whether they have the right software for M4V.
Embed in documents
Drop 3GP output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
3GP often produces smaller files than M4V for web, email and storage.
Archive & future-proof
Store in a widely-supported format that will still open on future operating systems without legacy plugins.
M4V vs 3GP — Typical file sizes
Approximate file sizes for common scenarios.
- 45-min TV episode (iTunes HD) 1.2-2 GB
- 2-hour movie (iTunes HD) 4-6 GB
- 2-hour movie (iTunes 4K Dolby Vision) 15-35 GB
- 1-min MMS video (176×144) 300-800 KB
- 5-min phone clip (320×240) 5-15 MB
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Related comparisons
See these formats side by side to understand which fits your use case best.
Related Guides
M4V Format: The Complete Guide to Apple Video Files
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