WAV vs FLAC — Comparison & Free Converter
Fast, instant WAV to FLAC conversion. No signup required. Just drop your .wav file and get .flac in seconds.
Batch Settings
Some metadata may not survive
Your WAV file may contain RIFF chunks, BWF metadata metadata. FLAC has limited or no support for these metadata types. Location data (GPS), camera settings, and color profiles may be stripped during conversion.
大切な音源、せっかくなら最高の音質で保存したいですよね。WAVファイルはその品質の高さからプロの現場でも利用されますが、ファイルサイズが大きくなりがちで、特に多くの音源を扱う方にとっては頭を悩ませる点かもしれません。 そこでFLACの出番です。FLACはWAVの音質を損なうことなく、ファイルサイズを大幅に削減できる優れた形式。まるで、精密な巻物のように情報をぎゅっと凝縮しつつ、開けば元の美しさがそのまま現れるようなものです。 このページでは、WAVファイルをFLACに変換する手順を、日本のユーザーの皆様に分かりやすく、そして安心してご利用いただけるようご案内します。大切な音の記憶を、よりスマートに、そして永く残すお手伝いができれば幸いです。
- 同人音楽の配布
- ビジネス会議録の整理
- ASMR音声の保存
日本のアニメやゲーム音楽ではWAV形式でマスタリングされることが多いため、それを高音質のまま容量を抑えて個人で楽しむ際にFLAC変換が非常に有効です。
About WAV to FLAC Conversion
WAV or FLAC — 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. FLAC is lossless audio compression — bit-for-bit identical to the original at roughly 50-70% of WAV size. It has mostly universal platform support.
Full Name: WAV uses Waveform Audio, while FLAC uses Free Lossless Audio Codec. Compression: WAV uses None (uncompressed), while FLAC uses Lossless. Typical File Size: WAV uses 10 MB per minute at 44.1 kHz/16-bit stereo, while FLAC uses 5–7 MB per minute (50–70% of WAV).
So when should you convert WAV to FLAC? This conversion is ideal when you When you specifically need a FLAC file for your workflow. This conversion helps you convert between formats quickly.
Converting WAV to FLAC maintains high quality with CocoConvert's optimised encoder settings.
If you've decided FLAC is the right choice, CocoConvert makes the conversion effortless. Upload your .wav file, pick FLAC, 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 FLAC
- 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 FLAC
Select .flac 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 FLAC file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert WAV to FLAC
Your WAV audio is decoded into raw PCM samples, then re-encoded as FLAC. 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 Free Lossless Audio Codec's lossless codec
Metadata (tags, artwork, track info) is transferred where FLAC supports it
The FLAC file is saved and ready for download
WAV vs FLAC — Detailed Comparison
| Feature | .WAV | .FLAC |
|---|---|---|
| Full Name | Waveform Audio | Free Lossless Audio Codec |
| Compression | None (uncompressed) | Lossless |
| Typical File Size | 10 MB per minute at 44.1 kHz/16-bit stereo | 5–7 MB per minute (50–70% of WAV) |
| Platform Support | Universal | Very Wide |
| Browser Support | Universal | Limited |
| Year Created | 1991 | 2001 |
| Open Standard | Yes | Yes |
Should You Convert WAV to FLAC?
When to Convert
- ✓When you specifically need a FLAC file for your workflow
Frequently Asked Questions
Should I use WAV or FLAC?
It depends on your goal. WAV preserves full quality. FLAC preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is FLAC higher quality than WAV?
Not necessarily. Converting WAV to FLAC 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 FLAC 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 FLAC?
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 FLAC?
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.