Audio Conversion
Convert MP3 to WAV Online — Free
Fast, free MP3 to WAV converter. No registration required.
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200万以上のファイル変換
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処理後にファイルを自動削除
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すぐに変換を開始
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変換方法
1
Upload your .mp3 file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .wav file when it's ready.
MP3とは？
MP3 is the most popular audio format worldwide. It uses lossy compression to reduce file size while maintaining acceptable audio quality for most listeners.
形式の詳細
- 正式名称
- MPEG Audio Layer III
- 拡張子
- .mp3
主な特徴
- Universal compatibility
- Small file sizes
- Streaming support
- ID3 tag support
WAVとは？
WAV is an uncompressed audio format developed by Microsoft and IBM. It provides perfect audio quality but results in large file sizes.
形式の詳細
- 正式名称
- Waveform Audio File Format
- 拡張子
- .wav
主な特徴
- Lossless quality
- Professional standard
- No compression
- Wide compatibility
MP3とWAVの比較
| 特徴 | MP3 | WAV |
|---|---|---|
| 正式名称 | MPEG Audio Layer III | Waveform Audio File Format |
| 拡張子 | .mp3 | .wav |
| 最適な用途 | Universal compatibility | Lossless quality |
よくある質問
Converting between lossless formats preserves perfect quality. When converting to lossy formats, our optimized encoding minimizes any audible difference. You can adjust bitrate to control quality vs. file size.
We preserve ID3 tags, album art, and metadata when both MP3 and WAV support them. Some metadata may not transfer between incompatible formats.
Pro users can batch convert multiple audio files simultaneously. Free users convert one file at a time with up to 5 free conversions per day.
We support all standard sample rates from 8kHz (voice) up to 192kHz (studio quality). The default preserves your source file's sample rate.
Yes. Our audio converter handles music, podcasts, voice memos, and audiobook files. For podcasts, we recommend MP3 at 128-192kbps for the best balance of quality and file size.