CONVERT WV → AIFF (WV to AIFF)
Fast, secure WV to AIFF conversion. No registration required.
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HOW TO CONVERT WV → AIFF
Upload the WV
Drop or select your WV file. The upload is encrypted and the file is queued for conversion.
Transcode via FFmpeg
FFmpeg decodes the WV stream to PCM internally, then re-encodes as AIFF at the bitrate you select.
Download the AIFF
The AIFF is delivered as a direct download; metadata and cover art transfer automatically where possible.
Why this pair exists — WV is WavPack's hybrid lossless/lossy audio codec with a correction-file workflow. Ergo, the AIFF route. Converting WV to AIFF changes the audio container without re-recording anything. Whether you are moving from a studio master to a distribution format or just making a file playable on an old car stereo, KaijuConverter re-encodes the audio with FFmpeg at your chosen bitrate and preserves sample rate, channels and ID3 tags. The source WV file stays untouched. Technical note: WV is WavPack's hybrid lossless/lossy audio codec with a correction-file workflow. Compare that with AIFF is Apple's uncompressed Audio Interchange File Format, the macOS equivalent of WAV.
Why convert WV to AIFF
WavPack Audio is great in its own niche, but AIFF Audio is either more universally playable or better suited to the device you are targeting. Converting lets you ship the audio without asking listeners to install a codec. The loss in quality between the two is negligible at sensible bitrates.
WV vs AIFF — Technical specifications
Side-by-side comparison of the technical details.
WV
- MIME type
- audio/x-wavpack
- Extension
- .wv (main), .wvc (correction)
- Modes
- Lossless, Hybrid lossy+correction, 32-bit float
- License
- BSD-style
- MIME Type
- audio/x-wavpack
- Category
- Audio Files
- Full Name
- WavPack Audio
- Conversion Engine
- FFMPEG
AIFF
- Extension
- .aiff
- MIME Type
- audio/aiff
- Category
- Audio Files
- Full Name
- AIFF Audio
- Conversion Engine
- FFMPEG
- MIME types
- audio/aiff, audio/x-aiff
- Extensions
- .aif, .aiff, .aifc
- Byte order
- Big-endian
- Max bit depth
- 32 bits (PCM or float)
- Max sample rate
- 192 kHz (practical); unlimited (spec)
| Specification | WV | AIFF |
|---|---|---|
| MIME type | audio/x-wavpack | — |
| Extension | .wv (main), .wvc (correction) | .aiff |
| Modes | Lossless, Hybrid lossy+correction, 32-bit float | — |
| License | BSD-style | — |
| MIME Type | audio/x-wavpack | audio/aiff |
| Category | Audio Files | Audio Files |
| Full Name | WavPack Audio | AIFF Audio |
| Conversion Engine | FFMPEG | FFMPEG |
| MIME types | — | audio/aiff, audio/x-aiff |
| Extensions | — | .aif, .aiff, .aifc |
| Byte order | — | Big-endian |
| Max bit depth | — | 32 bits (PCM or float) |
| Max sample rate | — | 192 kHz (practical); unlimited (spec) |
WV vs AIFF — Strengths and limitations
What each format does best, and where it falls short.
WV Strengths
- Hybrid lossy/lossless mode.
- Supports DSD, 32-bit float, multichannel.
- Competitive compression vs FLAC.
- Active maintenance since 1998.
Limitations
- Small ecosystem.
- Hybrid mode complexity.
- Hardware support limited vs FLAC.
AIFF Strengths
- Lossless and uncompressed — bit-exact audio reproduction.
- Native to macOS and all Apple Pro Audio apps.
- Simple structure — trivially parsed by audio libraries.
- Supports up to 32-bit float, 192 kHz, and multi-channel audio.
- Rich metadata via named chunks (annotations, markers, MIDI).
Limitations
- Enormous file sizes — 10 MB per minute at CD quality.
- No built-in compression — use FLAC for lossless with smaller files.
- Big-endian byte order confuses tools written on little-endian hardware.
Quality & Compatibility
Lossy-to-lossy transcoding (most cross-format audio jobs) loses a tiny amount of quality on each pass — usually inaudible at our default VBR ~190 kbps for music or 96 kbps for speech. Lossy-to-lossless conversions freeze the existing quality but cannot improve it; lossless-to-lossy is only as good as the target bitrate you choose.
Tips for Best Results
- Pick 128 kbps for podcasts and voice, 192–256 kbps for music, 320 kbps only if the audio will be edited further downstream.
- Keep the WV master alongside the AIFF — re-encoding a lossy format twice accumulates audible artefacts.
- For mono voice content, convert to mono AIFF explicitly to halve file size without any quality loss.
Frequently Asked Questions
Lossy-to-lossy conversions (most combinations) re-compress the audio, which technically introduces some loss. At a 192 kbps or higher target it is inaudible on normal equipment. Lossy-to-lossless conversions freeze the existing quality but cannot improve it; lossless-to-lossy transcodes are only as good as the target bitrate you choose.
For voice content (podcasts, audiobooks, lectures) 128 kbps is indistinguishable from higher bitrates. For music, 192-256 kbps covers most listening; 320 kbps is the ceiling for AIFF and the right choice for audio you plan to edit further. Above that, prefer a lossless target instead.
Yes. Title, artist, album, year and cover art travel from the WV container to the AIFF container automatically where both formats support them. If a tag field has no AIFF equivalent, it is dropped silently. Use any tag editor (Mp3tag, MusicBrainz Picard) to fine-tune afterwards.
WavPack Audio
Source formatWavPack is an open-source audio codec that offers lossless, lossy, and hybrid compression modes. Its unique hybrid mode creates a lossy file plus a correction file that together reconstruct the original, enabling flexible storage strategies.
AIFF Audio
Target formatAIFF is Apple's uncompressed audio format, equivalent to WAV in the macOS ecosystem. It stores CD-quality PCM audio and is widely used in professional audio production on Apple hardware.
Common Use Cases
Share across platforms
Send AIFF files to anyone without worrying about whether they have the right software for WV.
Embed in documents
Drop AIFF output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
AIFF often produces smaller files than WV 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.
WV vs AIFF — Typical file sizes
Approximate file sizes for common scenarios.
- 3-min song (CD lossless) 18-24 MB
- 3-min hi-res 24/96 60-90 MB
- 3-min song (CD quality) 30 MB
- 3-min song (24-bit / 96 kHz) 100 MB
- Full album (CD, 10 tracks) 450 MB
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Related comparisons
See these formats side by side to understand which fits your use case best.
Related Guides
AIFF Format: The Complete Guide to Audio Interchange File Format
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