Video Tools
Add Subtitles to Video
Burn SRT subtitles into video or type them manually.
Your files stay on your device - processed locally via WebAssembly, never uploaded
Drop a video file or click to upload
MP4, WebM, MOV, AVI, MKV
Your videos are processed locally in your browser. Nothing is uploaded to any server.
Embed this tool on your website
Copy this code to add the Add Subtitles to Video to your site for free. It runs entirely in your visitors' browsers - no API key, no usage limits.
<iframe src="https://optipix.art/embed/add-subtitles" width="100%" height="600" style="border:1px solid #e4e4e7;border-radius:8px;" title="Add Subtitles to Video by OptiPix" loading="lazy"></iframe> <p style="font-size:12px">Free tool by <a href="https://optipix.art/add-subtitles">OptiPix Add Subtitles to Video</a></p>
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About Add Subtitles to Video
Last updated: May 2026
OptiPix 添加字幕将字幕文本直接烧录到视频像素中。上传视频和 SRT 文件，或手动输入带时间戳的字幕。自定义字体大小和位置。字幕是永久嵌入的--它们可以在任何播放器中显示，无需单独的字幕文件。使用 FFmpeg.wasm 字幕滤镜。
How It Works
FFmpeg.wasm -vf subtitles 滤镜会读取 SRT 文件，并在指定的时间戳将文本烧录到视频帧中。
Use Cases
- •为可访问性添加字幕
- •为社交媒体烧录字幕
- •为视频添加翻译
- •创建带字幕的教程
- •确保字幕在任何地方都显示
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