WAV vs AIFF — Comparison & Free Converter
Fast, instant WAV to AIFF conversion. No signup required. Just drop your .wav file and get .aiff in seconds.
Batch Settings
Some metadata may not survive
Your WAV file may contain RIFF chunks, BWF metadata metadata. AIFF has limited or no support for these metadata types. Location data (GPS), camera settings, and color profiles may be stripped during conversion.
WAVファイルからAIFFへの変換は、単なる形式変更以上の意味を持ちます。特に、繊細な音のニュアンスが求められるアニメやゲーム制作の現場、あるいはビジネスのプレゼンテーションでクリアな音声が不可欠な場面において、その重要性は増します。AIFFはApple製品との親和性が高く、Mac環境での編集作業において、よりスムーズで安定した体験を提供します。音質の劣化を最小限に抑えつつ、ファイルサイズを効率的に管理することは、制作者の意図を正確に伝え、聴き手に最高の体験を届ける上で欠かせません。当社の変換ツールは、そうしたプロフェッショナルな要求に応えるため、高い精度と使いやすさを追求しました。あなたの貴重なサウンドデータを、次なるステージへと導くお手伝いをいたします。
- アニメ・漫画の音声素材変換
- ビジネス会議録の高品質保存
- 縦書きデジタルコンテンツへの組み込み
日本のクリエイティブ業界では、Macintosh環境での作業が一般的であるため、AIFF形式は特に音声編集やポストプロダクションにおいて重宝されています。また、垂直方向のテキスト表示を多用するコンテンツ制作においても、対応するオーディオ形式の選択は重要視される傾向にあります。
About WAV to AIFF Conversion
WAV or AIFF — which format should you use? The answer depends on your needs. Here's a quick breakdown.
WAV is uncompressed PCM audio — studio quality with no data loss, but large file sizes. It has universal platform support. AIFF is Apple's uncompressed audio format — equivalent to WAV in quality. It has mostly universal platform support.
Full Name: WAV uses Waveform Audio, while AIFF uses Audio Interchange File Format. Compression: WAV uses None (uncompressed), while AIFF uses None (uncompressed). Typical File Size: WAV uses 10 MB per minute at 44.1 kHz/16-bit stereo, while AIFF uses 10 MB per minute at 44.1 kHz/16-bit stereo.
So when should you convert WAV to AIFF? This conversion is ideal when you When you specifically need a AIFF file for your workflow. This conversion helps you convert between formats quickly.
Converting WAV to AIFF maintains high quality with CocoConvert's optimised encoder settings. Common misconception: ""AIFF will be smaller than my WAV file"" — in reality, aiff uses no compression, so the output file is often larger than a lossy wav. if you need a small file, aiff may not be the right choice.
If you've decided AIFF is the right choice, CocoConvert makes the conversion effortless. Upload your .wav file, pick AIFF, and click Convert — done in seconds. The converter runs on secure servers in Germany, powered by FFmpeg, Sharp, and qpdf. Files are encrypted via TLS and erased within 24 hours.
Free tier: 5 files/hour, 250 MB each. Pro: 100 files/hour, 5 GB each. Works in every modern browser on desktop and mobile.
How to Convert WAV to AIFF
- 1
Choose your WAV file
Upload your .wav file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to AIFF
Select .aiff from the output options. The converter applies optimal quality settings automatically.
- 3
Run the conversion
Click Convert. Server-side processing means your device stays fast — even for large audio files.
- 4
Get your AIFF file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert WAV to AIFF
Your WAV audio is decoded into raw PCM samples, then re-encoded as AIFF. No audio quality is lost in this conversion.
Your WAV file is decoded — compressed audio becomes raw PCM waveform data
The raw audio is re-encoded using Audio Interchange File Format's none codec
Metadata (tags, artwork, track info) is transferred where AIFF supports it
The AIFF file is saved and ready for download
WAV vs AIFF — Detailed Comparison
| Feature | .WAV | .AIFF |
|---|---|---|
| Full Name | Waveform Audio | Audio Interchange File Format |
| Compression | None (uncompressed) | None (uncompressed) |
| Typical File Size | 10 MB per minute at 44.1 kHz/16-bit stereo | 10 MB per minute at 44.1 kHz/16-bit stereo |
| Platform Support | Universal | Very Wide |
| Browser Support | Universal | Limited |
| Year Created | 1991 | 1988 |
| Open Standard | Yes | No |
Should You Convert WAV to AIFF?
When to Convert
- ✓When you specifically need a AIFF file for your workflow
Common Mistakes When Converting WAV to AIFF
"AIFF will be smaller than my WAV file"
AIFF uses no compression, so the output file is often larger than a lossy WAV. If you need a small file, AIFF may not be the right choice.
Frequently Asked Questions
Should I use WAV or AIFF?
It depends on your goal. WAV preserves full quality. AIFF preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is AIFF higher quality than WAV?
Not necessarily. Converting WAV to AIFF maintains high quality with CocoConvert's optimised encoder settings. Quality depends on the compression type and settings, not just the format name.
Can I convert WAV to AIFF on Mac and Windows?
Yes. CocoConvert is a web-based tool that works in all modern browsers — Chrome, Safari, Firefox, Edge — on any operating system including macOS, Windows, Linux, iOS, and Android.
Is CocoConvert free for WAV to AIFF?
Yes. Free users get 5 conversions per hour (250 MB each). Pro subscribers unlock 100 files per hour, 5 GB per file, and priority processing.
What tools does CocoConvert use for WAV to AIFF?
CocoConvert uses FFmpeg for audio/video, Sharp for images, and qpdf for documents — the same open-source libraries used by Netflix, YouTube, and major enterprise platforms.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.