WAV 轉 MP3

把 WAV 錄音、語音備忘或辦公音訊轉換成較小的 MP3。

處理方式：瀏覽器內不上傳不保存

在瀏覽器內執行。輸入內容不會上傳到 SMARTWAY 伺服器。

選擇檔案拖到這裡

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MP3 bitrate

Large WAV files can take longer and may use significant browser memory.

下載

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Duration: - Original size: - MP3 size: - Size change: - Channels: - Sample rate: -

FAQ

Are my audio files uploaded?

No. The WAV file is decoded and encoded in your browser.

Why start with WAV to MP3 only?

WAV to MP3 is a stable lightweight first step. A wider audio converter would need a larger ffmpeg.wasm package.

Which bitrate should I choose?

128 kbps is a good default for speech. Use 192 or 256 kbps when music quality matters more than file size.