CONVERT 3GP → WMA (3GP to WMA)
Fast, secure 3GP to WMA conversion. No registration required.
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HOW TO CONVERT 3GP → WMA
Provide your 3GP
Drag-and-drop a video up to 25 MB on the free tier; paid plans raise the ceiling substantially.
Extract the audio
We strip the video track, keep the audio ES and write it into a WMA file. Codec-compatible cases use stream-copy for bit-exact output.
Retrieve the WMA
A download link appears as soon as the extraction is done. Typical files finish in seconds.
Here is the short version — 3GP is the mobile video container standardised by 3GPP for early smartphones. Hence the need for WMA. Extracting audio from 3GP into WMA is the most common reason people need this pair — a podcast rip, a lecture recording, a music video saved as an audio-only track. The conversion is near-instant because there is no pixel data to transcode, just the audio ES that was already inside the 3GP container. Worth knowing: 3GP is the mobile video container standardised by 3GPP for early smartphones. Meanwhile WMA is Microsoft's proprietary audio codec, historically tied to Windows Media Player.
Why convert 3GP to WMA
Audio players cannot read 3GP containers natively — they expect a WMA stream without the video wrapper. Extracting the audio upstream saves battery and CPU on the playback device because no dummy video decoding has to happen.
3GP vs WMA — Technical specifications
Side-by-side comparison of the technical details.
3GP
- MIME types
- video/3gpp, video/3gpp2
- Extensions
- .3gp, .3g2
- Container
- MPEG-4 Part 14 subset
- Video codecs
- H.263, MPEG-4 SP, H.264
- Audio codecs
- AMR-NB, AMR-WB, AAC
- MIME Type
- video/3gpp
- Extension
- .3gp
- Category
- Video Files
- Full Name
- 3GPP Video
- Conversion Engine
- FFMPEG
WMA
- Container
- ASF (Advanced Systems Format)
- MIME Type
- audio/x-ms-wma
- Extension
- .wma
- Category
- Audio Files
- Full Name
- Windows Media Audio
- Conversion Engine
- FFMPEG
- MIME type
- audio/x-ms-wma
- Variants
- WMA Standard, WMA Pro, WMA Lossless, WMA Voice
- Max bitrate
- 768 kbps (WMA Pro)
| Specification | 3GP | WMA |
|---|---|---|
| MIME types | video/3gpp, video/3gpp2 | — |
| Extensions | .3gp, .3g2 | — |
| Container | MPEG-4 Part 14 subset | ASF (Advanced Systems Format) |
| Video codecs | H.263, MPEG-4 SP, H.264 | — |
| Audio codecs | AMR-NB, AMR-WB, AAC | — |
| MIME Type | video/3gpp | audio/x-ms-wma |
| Extension | .3gp | .wma |
| Category | Video Files | Audio Files |
| Full Name | 3GPP Video | Windows Media Audio |
| Conversion Engine | FFMPEG | FFMPEG |
| MIME type | — | audio/x-ms-wma |
| Variants | — | WMA Standard, WMA Pro, WMA Lossless, WMA Voice |
| Max bitrate | — | 768 kbps (WMA Pro) |
3GP vs WMA — Strengths and limitations
What each format does best, and where it falls short.
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.
WMA Strengths
- Good quality at low bitrates (32-64 kbps) — outperformed MP3 in that range.
- Native playback on every Windows version 2000 through 10.
- Lossless variant available (WMA Lossless) for archiving.
- Supports multichannel 5.1 surround audio.
Limitations
- Proprietary — poor support outside Windows and Windows Media Player.
- DRM variants made files brittle — many purchased tracks became unplayable when stores shut down.
- Ecosystem abandoned — no modern editors, hardware decoders, or streaming services use WMA.
Quality & Compatibility
The perceptual quality of the WMA is bounded by the audio that was already inside the 3GP. Video containers often ship audio at 128-192 kbps; our conversion does not magically upgrade that, but it does preserve whatever was there without adding a second generation of lossy encoding when we can help it.
Tips for Best Results
- Use Advanced options to set a specific WMA bitrate when file size matters (e.g., sharing over chat apps).
- Tag your WMA output with an ID3 editor afterwards if you need searchable metadata and the source 3GP had none.
- When batch-extracting a folder of 3GP files, a single ZIP upload is faster than uploading one by one.
Frequently Asked Questions
Yes. The free tier accepts files up to 25 MB without registration, email capture or watermarks; paid plans go up to 2 GB. Paid plans raise the size cap, enable batch conversions and provide a REST API for automation, but nothing on the free tier is quality-limited — the output is exactly the same as on any paid plan.
Only if the audio codec inside 3GP is not directly writable into the WMA container. When codecs match we stream-copy, producing a bit-exact WMA. When they differ, we re-encode at a high-quality default, so the perceptual loss is tiny for anything other than lossless-to-lossless mismatches.
Uploads run over HTTPS, files are processed in isolated containers, and both the source 3GP and the WMA output are auto-deleted within two hours. No account is required, file contents are never logged, and KaijuConverter does not use uploads for AI training. The paid plan adds a signable data-processing agreement for regulated workflows.
No. The full 3GP lands in our processing container, we demux the audio locally and then the container is destroyed. The video bytes never leave KaijuConverter infrastructure and auto-delete within two hours along with the original file.
Most files finish in well under a minute. Small images and documents are typically ready in a few seconds; large video or audio files scale roughly with duration. Upload speed from your network is usually the dominant factor, not server time.
Yes. The Advanced options let you set start and end times in HH:MM:SS, so you can extract a single chapter, a specific quote or a clean sample instead of the full duration of the 3GP.
3GPP Video
Source 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.
Windows Media Audio
Target formatWMA is a proprietary Microsoft audio format from the Windows Media framework. Once common in the Windows ecosystem, it has been largely replaced by AAC and MP3 for general use.
Common Use Cases
Share across platforms
Send WMA files to anyone without worrying about whether they have the right software for 3GP.
Embed in documents
Drop WMA output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
WMA often produces smaller files than 3GP 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.
3GP vs WMA — Typical file sizes
Approximate file sizes for common scenarios.
- 1-min MMS video (176×144) 300-800 KB
- 5-min phone clip (320×240) 5-15 MB
- 3-min song (128 kbps) 3 MB
- 3-min song (Lossless) 25-35 MB
- 1-hour talk (64 kbps) 28 MB
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Convert thousands of camera RAW files (CR3, NEF, ARW) to WebP, AVIF, or TIFF in one pass.
GPU-accelerated RAW development with end-to-end 16-bit ICC color profile management.
Related comparisons
See these formats side by side to understand which fits your use case best.
Related Guides
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