Copy when you can; transcode when you need to
Stream copy keeps the selected audio codec intact and avoids re-encoding. MP3, WAV, M4A/AAC and FLAC are explicit transcoding choices.
Media tool
Video to MP3
Inspect audio tracks, choose the intended stream and transcode it to MP3 locally.
Local processingNo user file upload
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Choose the intended audio track
Files can contain commentary, alternate languages or multiple mixes. The tool inspects all audio streams first and requires an explicit track selection instead of silently hard-coding the first stream.
MP3 is a transcode
The selected audio stream is decoded and encoded to MP3. Use Copy in the main Video to Audio tool when retaining the original audio stream is preferable.
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