無料 YouTube MP3 コンバーター
どんな YouTube 動画も数秒で高品質 MP3 または MP4 に変換 — 登録不要、広告なし。
超高速
数秒でダウンロード完了。
高品質
最大 320 kbps MP3 または 1080p MP4。
完全無料
隠れた料金なし、アカウント不要。
YouTube を MP3 または MP4 に変換する方法
Copy the YouTube URL
Go to YouTube and open the video you want. Copy the URL from your browser's address bar, or tap the Share button on the video and select "Copy link".
Paste & Choose Your Format
Paste the link into the converter above. Select MP3 for audio-only or MP4 for full video. Then choose your preferred quality — High (320 kbps / 1080p), Medium, or Low.
Convert & Download
Click "Convert Now" and wait a few seconds while we process your file. Once done, hit the green Download button to save it directly to your device.
私たちの YouTube コンバーターについて
Our free YouTube to MP3 converter is the fastest and easiest way to save YouTube audio to your device. Whether you want to listen to music, podcasts, lectures, or any other YouTube content offline, our tool converts it instantly — no software installation or account required.
We support all YouTube video formats and deliver crystal-clear audio at up to 320 kbps. Every MP3 download also includes embedded metadata: the video title, thumbnail as cover art, and channel information are all written directly into the file so it looks great in your music library.
For video lovers, our YouTube to MP4 converter supports resolutions up to 1080p. Perfect for saving tutorials, vlogs, or any video content you want to watch without an internet connection. Files are processed on our secure servers and available for download immediately.
Pondofy works on all modern browsers and devices — Windows, Mac, Android, iOS — with no extensions, plugins, or downloads needed. Just paste and go.