Audio and subtitlesのツール
Audio extraction and subtitle tools
Audio extraction works on any link this site accepts, not only YouTube. Subtitle extraction depends on a provider endpoint that is not enabled on this deployment, and the pages say so rather than promising a transcript.
このカテゴリのツール
MP3 への変換
音声抽出の実際：そのまま届くものと、本当に変換工程が必要なものを区別します。
Video to MP3
One box that accepts a link from any platform this site supports, and shows whether the audio arrives as its own stream or must come from a muxed one.
YouTube Transcript
This tool is not available yet: the provider documents a subtitles endpoint, but this deployment has not enabled it because the cost model is unconfirmed.