Developer tool

SRT to VTT Converter

Convert SubRip (SRT) subtitles into WebVTT (.vtt) captions for HTML5 video.

SRT VTT
PrivConvert
Privacy-first conversion
No files stored
In-memory processing
Deleted instantly
No sign-up needed

Complete the security check to begin

About Converting SRT to VTT

SRT is the most common subtitle format — a plain-text file listing numbered captions with start/end timestamps. Almost every player and platform accepts it. When you need to move away from SRT, the usual reason is simple: no styling or positioning.

Converting your SRT subtitle file to VTT solves that. WebVTT is the subtitle format for HTML5 video, similar to SRT but with support for styling, positioning and metadata. It is required for captions on the web. In practice you gain native html5 video captions and supports styling and positioning. PrivConvert runs the whole SRT-to-VTT conversion in server memory and deletes your file the instant the VTT is ready — nothing is stored, logged or reused.

When this conversion helps

  • You need native HTML5 video captions
  • You need supports styling and positioning
  • You need web standard
  • Sharing a SRT subtitle file with someone whose software expects VTT

Tips for best results

  • After converting, open the VTT and skim the formatting — complex layouts occasionally need a small touch-up.
  • Files up to 250 MB are supported, and you can batch-convert several SRT files at once; each is processed privately and deleted immediately.

How to Convert SRT to VTT Online

Converting SRT files to VTT format is simple with PrivConvert. Our free online converter handles the entire process in your browser with no software installation required. Your files are processed securely in memory and never stored on our servers.

1
Upload your SRT file

Drag and drop your file into the upload area, click to browse your device, or paste a URL to a file hosted online. You can upload files up to 250 MB and batch convert up to 20 files at once.

2
Automatic conversion

Once uploaded, the conversion from SRT to VTT starts automatically. The process runs entirely in an isolated environment - your data never leaves the secure pipeline.

3
Download your VTT file

Your converted file is ready instantly. Click the download button to save it to your device. The file is deleted from memory immediately after download.

Why Choose PrivConvert?

Unlike other online converters that upload your files to remote servers, store them for days, and may use them for AI training or sell your data, PrivConvert was built with privacy as the foundation. Here's what makes us different:

Zero data retention

Files are processed in volatile memory (RAM) and immediately purged. Nothing is ever written to disk or backed up.

Encrypted transfers

All uploads and downloads are encrypted with TLS 1.3. Your files cannot be intercepted in transit.

No account required

Use any tool instantly without signing up, providing an email, or creating a profile. No tracking cookies, no user profiling.

Works on any device

Compatible with Windows, macOS, Linux, iOS, and Android. No plugins or desktop software needed - just a modern web browser.

SRT vs VTT - Format Comparison

FeatureSRTVTT
File extension.srt.vtt
Full nameSubRip SubtitleWebVTT
EncodingTextText
EditableYesYes
Open standardYesYes
Supported by PrivConvertYes (as input)Yes (as output)
Privacy-safe conversionIn-memory, zero storage
Max file size250 MB per file
Batch supportUp to 20 files simultaneously

Trusted by Thousands of Users

PrivConvert processes thousands of file conversions every day. Our commitment to privacy and security has made us the go-to choice for professionals, developers, and privacy-conscious users worldwide.

250 MB Max file size
200+ Conversion tools
0 sec File retention
100% Free to use

Frequently Asked Questions

Why convert SRT to VTT?
HTML5 video and the <track> element require WebVTT (.vtt), not SubRip (.srt). VTT uses a 'WEBVTT' header and a dot instead of a comma in timestamps. This tool handles both changes automatically.
How do I convert SRT to VTT?
Upload your .srt file above, complete the quick security check, and a ready-to-use .vtt file is generated instantly. No install or sign-up required.
Are the timings preserved exactly?
Yes. Every cue's start and end time is parsed and re-emitted in the millisecond-accurate WebVTT format, so your captions stay perfectly in sync.
Is it private?
Yes. Your subtitle file is processed entirely in memory and deleted the moment your download is ready - nothing is stored or logged.