YouTube Video Downloader: MP4 & MP3, Free
Paste a YouTube link, save the video as MP4 or the audio as MP3
無料版:1日最大10件のダウンロード、最長3時間のファイルに対応。保存する権利を持つコンテンツのみダウンロードしてください。
- 99%
- 精度
- 99+
- 言語
- いつでも
- 解約自由・契約なし
- 無料
- 30分間、登録不要
YouTube Video Downloaderを使う理由
MP4 or MP3
Save the whole video as an MP4 up to 720p, or keep only the audio as an MP3. Pick the output before you start.
No Signup, No Extension
Paste the link and download. Nothing to install, no account, no watermark on the file.
Transcript in One Click
Once the file is ready, get the full transcript with timestamps from the same page. Free for videos up to 30 minutes.
Works Beyond YouTube
Public links from most video and podcast platforms work too, up to 3 hours per file.
使い方
Paste the YouTube Link
Copy a video link from YouTube (Share -> Copy) and paste it in.
Choose MP4 or MP3
Keep the video, or extract the audio only. We fetch the best 720p rendition or the audio track.
Download, Then Transcribe
Save the file, and get the transcript of the same video in one click if you need the words.
YouTube Video Downloader vs 手動入力
アップロードが手動文字起こしより常に優れている理由。
| 機能 | CATT | 手動文字起こし |
|---|---|---|
| 最初の下書きまでの時間 | ファイルあたり数分 | 音声1時間あたり8〜10時間 |
| 精度 | クリアな音声で99% | 担当者の能力による |
| 話者ラベル | 自動 | 手動でタグ付け |
| 言語 | 99言語以上対応 | あなたが話せる言語のみ |
| エクスポート | TXT、DOCX、PDF、SRT、VTT | 手動で作成したもの |
| コスト | 最初の30分間無料 | 毎回あなたの時間 |
よくある質問
Yes. Up to 10 downloads a day per visitor, files up to 3 hours, no account and no watermark.
Video is saved as an MP4 up to 720p with the audio track included. Audio-only downloads are MP3 files.
No. Only public and unlisted videos can be fetched. Private, members-only or age-restricted videos return a clear message.
Most videos are ready in under a minute. Long videos can take a few minutes because we fetch and repackage the whole file.
Yes. When the file is ready, one click sends the same link to our YouTube transcript tool. Videos up to 30 minutes are transcribed free with no signup.
Download only content you own or have permission to save. Respect the creator's rights and YouTube's terms.