免费AI字幕生成器
使用AI驱动的语音识别自动为任何视频添加字幕。上传视频，即可在几分钟内获得精准字幕。
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Free to use — no sign-up required
Why Add Subtitles to Your Videos?
Research shows captioned videos dramatically outperform uncaptioned ones across every platform.
Videos with captions get significantly more views than those without
Likes, comments, and shares increase when viewers can read along
Most social media videos are watched without sound — captions are essential
Viewers stay longer when they can follow along with text
Search engines index caption text, improving video discoverability
See The Difference Captions Make
Same video, same content — but dramatically different results on YouTube.
No captions
Hello, welcome to this tutorial...
How It Works
Upload Video
Upload your video file in any popular format.
AI Transcribes
Our AI uses Whisper to detect speech and generate accurate subtitles.
Download
Review, edit if needed, and download your subtitled video.
为什么使用我们的字幕工具
添加字幕 - 常见问题
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