Free online M4R to W64 converter
Convert Apple M4R ringtone audio to Wave64 W64 for editing or archival use.
Convert M4R to W64 online - free
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How to convert m4r to w64 file
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Source format
M4R is an Apple ringtone file format based on the AAC audio codec and usually stored in an M4A-style container. It is most commonly used for iPhone ringtones and short alert sounds. M4R files are typically created from songs or audio clips that have been trimmed to a short duration and then renamed or exported in the ringtone format.
Target format
W64 is the Wave64 audio container format, developed by Sony as an extension of WAV for handling very large audio files. It is used in professional audio workflows where standard WAV size limits can be a problem. Compared with classic WAV, W64 supports much larger file sizes and is useful for long recordings, multitrack editing, and archival audio work.
How to perform the conversion
The most reliable way to convert M4R to W64 is with FFmpeg, because it can decode the AAC audio in M4R and write it into a Wave64 container.
- Install FFmpeg on your computer.
- Open a terminal or command prompt in the folder containing your M4R file.
- Run a command such as
ffmpeg -i input.m4r -c:a pcm_s16le output.w64. - If you want higher precision for editing, you can use 24-bit PCM instead:
ffmpeg -i input.m4r -c:a pcm_s24le output.w64. - Check the resulting file in an audio editor or player that supports W64.
If you prefer a simpler workflow, you can convert the file on 101convert.com for free without installing any software.
Notes on quality and compatibility
This conversion is usually lossy-to-lossless container conversion in practice: the source audio in M4R is already AAC-compressed, so converting it to W64 does not restore lost quality. The output W64 file will typically contain PCM audio, which is larger but easier to edit and more compatible with professional tools.
Keep in mind that M4R is often short and low-bitrate, so the resulting W64 file may be much larger than expected. Also, some consumer media players do not support W64 well, so this format is best suited for audio production software rather than everyday playback. If your goal is only to preserve the ringtone for Apple devices, W64 is usually not the best destination format.
Note: This m4r to w64 conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.
M4R vs W64: format comparison
How the M4R and W64 formats compare on the properties that matter most for this conversion.
| Property | .M4R MPEG-4 Ringtone File | .W64 Sony Wave64 |
|---|---|---|
| Compression | Lossy | Uncompressed |
| Audio quality | Medium | Lossless |
| Audio channels | Up to stereo | Multichannel |
| Metadata support | Basic | Basic |
| Streaming | No | No |
| DRM protection | No DRM | No DRM |
| Opens in a web browser | No | No |
| Typical file size | Small | Very large |
| Open standard | Partly open | Partly open |
| Best used for | Music | Professional production |
| Introduced | 2007 | — |
| Developer | Apple Inc. | Sony |
| MIME type | — | audio/wave64 |
Frequently asked questions
Is the M4R to W64 converter free?
Yes, converting M4R to W64 on 101convert.com is completely free. No registration, email address or installation is required.
How large can my M4R file be?
You can upload M4R files up to 1000 MB and convert up to 100 files at once in a single batch.
What happens to my uploaded files?
Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.
Do I need to install any software to convert M4R to W64?
No. The M4R to W64 conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.
Did the conversion fail?
In most cases, the cause is an incorrect file format. Please upload a valid M4R file for this M4R to W64 conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.