AIFF Won't Open? Convert to WMA Instantly
Fast, instant AIFF to WMA conversion. No signup required. Just drop your .aiff file and get .wma in seconds.
Batch Settings
Quality reduction ahead
AIFF is uncompressed, meaning every bit of data is preserved. WMA uses lossy compression — some data is permanently discarded to reduce file size. At high quality settings the difference is usually imperceptible, but the original data cannot be recovered.
Some metadata may not survive
Your AIFF file may contain ID3v2, AIFF chunks metadata. WMA has limited or no support for these metadata types. Location data (GPS), camera settings, and color profiles may be stripped during conversion.
What compression artifacts to expect
WMA lossy compression can produce smearing, loss of high-frequency detail. At the high quality settings CocoConvert uses by default, these are usually invisible to the eye. Lower quality settings trade visual fidelity for smaller file sizes.
Vous manipulez des fichiers audio et avez besoin de convertir vos AIFF en WMA ? Que ce soit pour des raisons de compatibilité logicielle, de gestion d'espace de stockage ou de diffusion sur des plateformes spécifiques, cette opération est courante dans de nombreux contextes professionnels et personnels. Le format AIFF, prisé pour sa qualité non compressée dans l'écosystème Apple, peut parfois se heurter à des limitations d'ouverture ou de lecture sur des systèmes Windows ou des lecteurs multimédias plus anciens. Le WMA, quant à lui, offre une alternative compressée avec une bonne fidélité, particulièrement adaptée aux environnements Microsoft. Notre outil de conversion en ligne est conçu pour simplifier cette transition, garantissant une conversion rapide et efficace de vos fichiers audio, tout en préservant au mieux la qualité sonore originale. Découvrez comment transformer vos pistes AIFF en WMA en quelques clics, sans installation de logiciel.
- Archivage de réunions administratives (Québec)
- Partage de maquettes sonores (design, Suisse)
- Publication de cours universitaires (France)
Bien que le WMA soit moins courant en France et en Suisse pour les nouvelles productions, il reste pertinent pour la compatibilité avec des systèmes hérités ou des infrastructures d'entreprise spécifiques, notamment dans l'administration belge.
About AIFF to WMA Conversion
Dealing with a AIFF file that won't open on your device? You're not alone — AIFF compatibility issues are one of the most common reasons people search for a file converter. AIFF is Apple's uncompressed audio format — equivalent to WAV in quality.
The fix is simple: convert your AIFF to WMA. WMA (Windows Media Audio) is Microsoft's audio codec — less common today but still found in legacy collections. This conversion lets you reduce file size without visible quality loss, solving the problem in seconds rather than hours of troubleshooting.
Full Name: AIFF uses Audio Interchange File Format, while WMA uses Windows Media Audio. Compression: AIFF uses None (uncompressed), while WMA uses Lossy. Typical File Size: AIFF uses 10 MB per minute at 44.1 kHz/16-bit stereo, while WMA uses 1 MB per minute at 128 kbps. WMA lossy compression can produce smearing, loss of high-frequency detail. At the high quality settings CocoConvert uses by default, these are usually invisible to the eye. Lower quality settings trade visual fidelity for smaller file sizes.
CocoConvert processes your AIFF file on secure servers in Germany — upload, convert, download. Your files are encrypted via TLS and automatically deleted within 24 hours. No account needed, no software to install, and it works on any device with a browser.
This conversion is ideal when you Your AIFF file is too large for email attachments or upload limits, or when you You want to reduce storage usage without noticeably affecting quality.
The conversion engine behind CocoConvert uses FFmpeg, Sharp, and qpdf — the same open-source libraries trusted by Netflix, YouTube, and enterprise platforms. Pro users can batch convert up to 100 files at once.
How to Convert AIFF to WMA
- 1
Add your AIFF file
Drag and drop your .aiff file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick WMA output
Select .wma as the target format. CocoConvert automatically applies the best quality settings for this conversion.
- 3
Start conversion
Hit the Convert button. The audio engine processes your file server-side — no CPU drain on your device.
- 4
Save your file
Once done, download your .wma file. For batch jobs, download all at once as a zip.
What Happens When You Convert AIFF to WMA
Your AIFF audio is decoded into raw PCM samples, then re-encoded as WMA. Some audio data is permanently discarded during compression.
Your AIFF file is decoded — compressed audio becomes raw PCM waveform data
The raw audio is re-encoded using Windows Media Audio's lossy codec
Metadata (tags, artwork, track info) is transferred where WMA supports it
The WMA file is saved and ready for download
AIFF vs WMA — Detailed Comparison
| Feature | .AIFF | .WMA |
|---|---|---|
| Full Name | Audio Interchange File Format | Windows Media Audio |
| Compression | None (uncompressed) | Lossy |
| Typical File Size | 10 MB per minute at 44.1 kHz/16-bit stereo | 1 MB per minute at 128 kbps |
| Platform Support | Very Wide | Limited |
| Browser Support | Limited | none |
| Year Created | 1988 | 1999 |
| Open Standard | No | No |
Should You Convert AIFF to WMA?
When to Convert
- ✓Your AIFF file is too large for email attachments or upload limits
- ✓You want to reduce storage usage without noticeably affecting quality
Frequently Asked Questions
Why won't my AIFF file open?
AIFF files may not open if your device lacks the right codec or application. Converting to WMA — a more widely supported format — usually resolves this. WMA (Windows Media Audio) is Microsoft's audio codec — less common today but still found in legacy collections.
Is it safe to convert AIFF to WMA online?
Yes. CocoConvert encrypts your file via TLS, processes it on isolated servers in Germany, and permanently deletes it within 24 hours. Your files are never shared or analysed.
Will I lose quality converting AIFF to WMA?
WMA lossy compression can produce smearing, loss of high-frequency detail. At the high quality settings CocoConvert uses by default, these are usually invisible to the eye. Lower quality settings trade visual fidelity for smaller file sizes. CocoConvert uses high-quality encoder defaults to preserve as much fidelity as possible.
How large can my AIFF file be?
Free users can convert files up to 250 MB each. Pro users get a 5 GB limit per file, and Business API users have custom limits.
Can I convert AIFF to WMA on my phone?
Absolutely. CocoConvert works in any modern browser — iOS Safari, Android Chrome, and all desktop browsers. No app required.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.