在线免费压制字幕到视频
已经有 .SRT, .VTT 或 .ASS 字幕文件？只需上传视频与字幕文件，微调同步与样式，即可一键导出无水印高清硬字幕 MP4 视频。
Burn Existing Subtitles into Video
Already have a subtitle file? Upload your video and subtitle file to sync, apply viral animations, and burn directly into high-res MP4!
Drop video or click to browse
Drop .SRT/.VTT or click to browse
💡 Quick tip: You can select or drag both files together into either box above!
🎨Customize Fonts & Colors▼
为什么创作者选择 Subtitle Generator Free
为短视频创作者、B站UP主、播客打造的高效字幕工具。
高精度语音识别
先进声学算法精准识别每个词的起止点，与口型完美同步。
爆款动态大字特效
逐字跳动高亮特效提升视频完播率达80%以上。
文案智能时间戳对齐
直接粘贴文案，算法自动计算自然语速并排版字幕。
通用 SRT 与 VTT 格式
无缝兼容剪映、Premiere Pro、Final Cut 及 DaVinci Resolve。
浏览器内直接压制视频
无需复杂软件，直接在网页端导出压制好字幕的高清视频。
100% 永久免费 · 无水印
无需注册登录，无需信用卡，导出无任何水印标记。
Subtitle Generator Free 对比其他工具
查看我们与 InVideo、CapCut 和 Kapwing 等付费工具的对比优势。
| 特性 | Subtitle Generator Free | Caption X | CapCut Pro | Kapwing |
|---|---|---|---|---|
| 100% 永久免费 | ✓ | Paid Tier for Pro | Paid Pro | Watermarked |
| 视频无任何水印 | ✓ | Watermark on Free | ✕ | ✕ |
| 免登录免注册即用 | ✓ | ✓ | ✕ | ✕ |
| 免费包含 SRT / VTT 导出 | ✓ | ✓ | ✓ | Paid Only |
| 文案剧本自动对齐时间轴 | ✓ | ✕ | ✕ | ✕ |
| 逐字跳动高亮动画 | ✓ | Cloud Audio Upload | App Install | Cloud Queue |
| 网页直接压制视频导出 | ✓ | ✓ | SRT Only | Paid Only |
Frequently Asked Questions
Everything you need to know about generating, styling, and exporting subtitles for free.
Is Subtitle Generator Free completely free to use?+
Yes, 100% free with no hidden paywalls, no credit card requirements, and no watermarks on your videos or subtitle files.
How do I generate subtitles from an existing script or text?+
Simply click the "Script to Subtitles" tab in our studio, paste your raw transcript or lyrics, adjust your preferred reading speed (WPM), and click "Auto-Generate Subtitle Cues". Our algorithm will segment the sentences into optimal lines and calculate exact timestamps automatically.
Can I burn the animated subtitles directly into my video file?+
Yes! In the Live Video Studio tab, you can customize the caption animations, positions, and fonts, then click "Export Video (Burn-In Subtitles)" to render and download your video with hardcoded subtitles directly in your browser.
What subtitle export formats are supported?+
You can export industry-standard .SRT (SubRip) files, .VTT (WebVTT) files for web players, and .TXT plaintext transcripts, as well as copy timestamped cues directly to your clipboard in one click.
Is my audio and video data kept private and secure?+
Absolutely. Subtitle Generator Free operates client-side inside your browser sandbox. Your media files and scripts are processed locally and are never stored or uploaded to third-party databases.
What video aspect ratios are supported for social media?+
Our studio supports 9:16 vertical (TikTok, Instagram Reels, YouTube Shorts), 16:9 widescreen (YouTube, TV, Presentations), and 1:1 square (Instagram feed, LinkedIn, Facebook).