動画に字幕を追加 オンライン
Upload a video file and get a new video with AI-generated subtitles in your chosen language.
オンラインで動画に字幕を追加する方法
Upload a video, choose the subtitle language, and get a new video with burned-in animated subtitles. AI recognizes speech, translates, and renders subtitles directly into the video.
How It Works
- Upload your video file (MP4, AVI, MOV, or WebM, up to 100 MB)
- Choose the subtitle language from 30+ available languages
- AI recognizes speech, corrects errors, and translates subtitles
- Animated subtitles are rendered directly into the video
- Download the finished video with subtitles or the VTT subtitle file
Supported Formats and Limits
- Video formats: MP4, AVI, MOV, WebM
- Maximum file size: 100 MB
- Maximum duration: 10 minutes
- Output: MP4 video with animated subtitles + downloadable VTT file
ユーザーレビュー
マイケル・T
Uploaded my travel video and got perfect subtitles in Spanish. The AI recognized speech clearly even with background noise.
アンナ K.
Great tool for making videos accessible. Added English subtitles to my Russian-language video in minutes.
カルロス M.
The subtitle animation looks professional. Much better than plain text overlays.
よくある質問
How does AI subtitle generation work?
AI recognizes speech in the video, converts it to text, corrects errors using context, translates to your chosen language, and renders animated subtitles directly into the video.
What video formats are supported?
You can upload MP4, AVI, MOV, and WebM videos. Maximum file size is 100 MB and maximum duration is 10 minutes.
How many languages are supported?
Over 30 languages are supported for subtitles, including English, Spanish, French, German, Japanese, Arabic, and many more.
Can I download the subtitles separately?
Yes! After generation, you can download the subtitle file in VTT format, which is compatible with most video players and platforms.
