MorphFlux
Free · No signup · Runs in browser

Free SRT to VTT Converter

Convert SRT subtitles to VTT format for web video — instant conversion, no upload needed.

Drop files here — any supported format

or click to browse — unsupported types are dimmed in the file picker · local processing

Max file size: images / data / documents 50 MB · audio & video 200 MB · subtitles 10 MB. This tool: up to 10 MB per file.

Why use MorphFlux?

SRT to VTT conversion runs entirely in your browser — web-ready subtitle output with no server upload.

Runs locally in your browser

Your SRT files are processed entirely on your device. Nothing is uploaded to any server, keeping your subtitle content private.

Preserves all timing and text

All subtitle entries, timestamps, and text content are correctly converted from SRT to VTT format without any loss.

Instant conversion

SRT to VTT conversion is nearly instant as it is a simple text format transformation with no heavy processing required.

Free with no signup required

Convert as many SRT files to VTT as you need, completely free. No account, no email, no credit card required.

When would you need this?

Common scenarios where converting SRT to VTT is needed for web video projects.

1

Converting SRT subtitle files to VTT for use with HTML5 video players on a website

2

Transforming SRT subtitles to VTT for use with video hosting platforms that require WebVTT

3

Converting SRT captions to VTT for accessibity compliance on web video content

About SRT and VTT

Understanding the difference between SRT and VTT subtitle formats.

SRT

What is SRT?

SRT (SubRip Text) is the most widely used subtitle format, containing numbesubtitle entries with timestamps and text. SRT files are supported by virtually all media players and video editing software.

VTT

What is VTT?

VTT (Web Video Text Tracks) is the standard subtitle format for HTML5 video on the web. VTT supports additional features like text positioning and styling, making it the preferred format for web-based video players.

Frequently Asked Questions

Everything you need to know about converting SRT to VTT online.

How do I convert SRT to VTT?

Upload your SRT file using the converter above. The conversion happens instantly in your browser and you can download the VTT file right away.

What is the difference between SRT and VTT?

SRT uses commas in timestamps (00:00:01,000) while VTT uses periods (00:00:01.000). VTT also includes a WEBVTT header and supports additional styling features.

Is my subtitle file uploaded to a server?

No. All conversion happens locally in your browser. Your subtitle files never leave your device.

Can I use the VTT file with an HTML5 video element?

Yes. The output VTT file is ready to use directly with the HTML5 <track> element for video subtitles and captions.

Is there a file size limit?

Subtitle files are very small. Files up to 10MB are supported, which covers even the longest subtitle files.

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