SRT to VTT Converter
Convert SRT subtitles to WebVTT — captions for HTML5 web video.
How to use SRT to VTT Converter
- Paste or upload your SRT file.
- Convert to VTT — WEBVTT header added, timestamps adjusted automatically.
- Download the VTT.
- Add it to your HTML5 video with a <track> element for browser captions.
What is SRT to VTT Converter?
An SRT to VTT converter changes subtitle files from SubRip format (.srt) to WebVTT format (.vtt) — the format HTML5 video requires. If you have SRT subtitles (the most common format) but need to add captions to a web video using the HTML5 <track> element, VTT is what browsers expect.
The web specifically uses VTT: the HTML5 video caption system reads WebVTT files, not SRT. So the moment you're putting captioned video on a website, converting your SRT to VTT is the step that makes browser captions work.
About the SRT to VTT Converter
Paste or upload your SRT subtitles and get them converted to VTT format to download.
Why the conversion: HTML5 web video — the primary reason: the <track> element that adds captions to web video requires VTT (browsers don't read SRT for this); web players — many JavaScript video players expect VTT; and web platforms — some web-based services want VTT specifically. If you're captioning video for a website, VTT is the format.
What the conversion does: it's straightforward since the formats are similar — the converter adds the required "WEBVTT" header line, changes timestamp separators from commas (SRT: 00:01:30,500) to periods (VTT: 00:01:30.500), and adjusts the structure. The caption text and timing transfer directly. Once you have the VTT file, add it to your HTML5 video with <track kind="captions" src="subtitles.vtt" srclang="en" label="English"> inside the <video> element, and browsers display the captions. Our VTT to SRT converter does the reverse (when you need the universal SRT format from web VTT). For creating captions from scratch, you'd transcribe the video; these converters are for changing format once you have subtitles.
Frequently Asked Questions
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How to Add Subtitles and Captions to Your Videos
Most social video is watched on mute. Subtitles boost views, accessibility and SEO. Here is how captions work and how to handle SRT and VTT files.
Read the guide