Format your subtitles for HTML5 video players instantly. Convert SubRip (.srt) to WebVTT (.vtt), fix audio sync delays, and strip messy HTML tags with 100% privacy. No uploads required.
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Upload your existing `.srt` file from your device, or paste the raw subtitle text directly into the left box.
Use the Time Shifter to fix audio delays, or toggle 'Strip HTML' to clean up messy text formatting automatically.
Click "Download File" to save your new `.vtt` file, perfectly formatted for modern HTML5 web video players.
<font> or <i> tags. Our tool strips them out with one click for a cleaner viewing experience.Once you download your converted and synced VTT file, simply embed it inside your HTML5 <video> tag like this:
<video controls src="movie.mp4"> <track default kind="captions" src="converted-subtitle.vtt" srclang="en" label="English" /> </video>If your text appears on screen before the person speaks, you have an audio sync delay. Use our Time Shifter tool above the output box. Adding milliseconds (e.g., +1000ms) will delay the subtitles by 1 second, bringing them back in sync.
While SRT (SubRip) is the most common format used in desktop video players (like VLC), modern web browsers strictly require the WEBVTT (.vtt) format to natively display closed captions using the HTML5 track element.
Yes, absolutely. If you are working on an unreleased film, YouTube video, or paid online course, you don't have to worry. Our tool runs locally in your browser and never uploads your subtitle text to any external server.
Boost your productivity with our collection of client-side utilities. No installation or registration required.
Fix out-of-sync subtitles by adding or subtracting seconds to all timestamps in an SRT or VTT file.
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