XWMA to CAF Converter
FileFlip converts XWMA to CAF entirely inside your browser, using FFmpeg compiled to WebAssembly. The file is never uploaded to a server: it is read off your disk, converted on your own machine, and saved back by the browser. That means no file-size limit, no queue and no account.
How do I convert an XWMA file to CAF?#
- Drop your XWMA file onto the converter at the top of this page, or click it to pick one from your computer. You can add as many as you like.
- Leave the target set to CAF and the conversion starts on its own. FileFlip downloads 30.8 MB of WebAssembly the first time and nothing after that, then runs FFmpeg on your own machine.
- Save the CAF file. Your browser writes it straight to your downloads folder, because there was never a server holding it.
Does converting XWMA to CAF lose quality?#
It depends on what is inside the file. XWMA is a container rather than a codec, so whether the CAF conversion copies the streams across untouched or re-encodes them is decided by the codecs that particular file happens to use.
Is it safe to convert XWMA files online?#
Yes, because nothing is uploaded. FileFlip converts XWMA files inside the browser tab you already have open, using WebAssembly builds of the same engines a desktop converter would install. Your file is read from your own disk into the page's memory, and no request carrying it is ever made.
You do not have to take that on trust. Open your browser's network panel, run a conversion, and you will see the engine come down and your file go nowhere. There is no upload, no server-side copy, no retention window, and no account tied to what you converted.
How FileFlip works lists every engine, its version and its download size, and shows how to check for yourself that nothing leaves your machine.
What XWMA to CAF actually does to the file#
Converting XWMA to CAF runs on FFmpeg, downloads 30.8 MB of WebAssembly the first time and nothing after that, re-encodes or copies through depending on the codecs in the file, and drops encoded streams.
| Engine | FFmpeg |
|---|---|
| Conversion path | One step: XWMA → CAF |
| Downloaded to your browser | 30.8 MB, once, then cached by your browser |
| Quality | Decided by the codecs inside the file |
| You get back | One file |
| Where it runs | In a background worker, so the page stays responsive |
What survives the conversion
| What is in the file | This conversion | Why |
|---|---|---|
| Encoded streams | Dropped | The target format has nowhere to put it. |
What is an XWMA file?#
An XWMA file holds audio compressed with Microsoft's WMA codec inside a RIFF container variant built for XAudio2, the low-level audio API Microsoft supplies to Xbox and Windows game developers, so the format appears almost exclusively as a game asset rather than as a general music file.
XWMA belongs inside a game's own audio pipeline, built with XAudio2, where its job is efficient streaming playback rather than general storage.
Convert XWMA to WAV or MP3 when working with audio extracted from a game, such as for modding, preservation, or listening to a soundtrack outside the game itself.
What is a CAF file?#
A CAF file holds audio in Apple's Core Audio Format, introduced in 2005 to replace AIFF and WAV on the Mac because its 64-bit chunk sizes have no practical file size or duration limit.
Keep audio as CAF while it stays inside Apple's own tools, such as Logic Pro, GarageBand, or an iOS app's own audio recordings, where the format's size and codec flexibility are used directly.
Convert CAF to WAV or M4A when the audio needs to leave the Apple ecosystem, since most non-Apple software has no built-in way to open it.
XWMA to CAF questions people ask#
What creates an XWMA file?
XWMA files come from game development tools built on Microsoft's XAudio2 API, and from extracting audio assets out of Xbox 360 and Windows games that used XAudio2 for their sound. It is not a format any general recording or editing software produces on its own.
What plays XWMA files?
VGMStream, the game-audio playback tool, decodes XWMA directly, and its plugins let foobar2000 and Winamp play it too. Ordinary media players do not recognize the format, since it was built specifically for XAudio2, not for general playback.
What should I convert an XWMA file to?
Convert XWMA to WAV to preserve full quality for editing, or to MP3 for a smaller file to listen to outside the game it came from. Either target opens in ordinary media players and editors, unlike the original XWMA file.
What creates a CAF file?
CAF files come from Apple's own audio software, including Logic Pro, GarageBand, and any iOS or macOS app that records audio through Apple's Core Audio APIs. Apple adopted CAF as its own format specifically to avoid the 4 GB size limit that WAV and AIFF both carry.