SRT vs VTT: Which Subtitle Format Should You Use?

SRT and VTT are both subtitle formats, but they are not identical. SRT is common across editing and upload tools. WebVTT is built for the web and uses a slightly different timestamp style.

Quick Difference

When To Use SRT

Use SRT when you need a simple subtitle file for video editors, transcription exports, YouTube uploads, podcast clips, or platforms that ask for a standard captions file.

1
00:00:00,000 --> 00:00:03,200
Welcome to the subtitle file.

2
00:00:03,400 --> 00:00:06,800
This cue uses comma-based milliseconds.

When To Use WebVTT

Use WebVTT when subtitles need to live on the web, especially with the HTML video element. WebVTT can also support richer web-specific metadata and styling workflows.

WEBVTT

00:00:00.000 --> 00:00:03.200
Welcome to the subtitle file.

00:00:03.400 --> 00:00:06.800
This cue uses dot-based milliseconds.

Conversion Checklist

1. Keep a copy of the original caption file.
2. Convert commas to dots when moving from SRT to VTT.
3. Add the WEBVTT header when creating a VTT file.
4. Remove cue numbers when converting to VTT.
5. Add cue numbers again when converting VTT back to SRT.
6. Preview the captions after uploading.

The free SRT to VTT Converter handles the timestamp and cue formatting in your browser.

Transcript Cleanup Is A Different Job

Subtitle files need timestamps. Clean transcripts for notes, articles, or summaries usually do not. If you are cleaning a raw transcript instead of converting a subtitle file, use the Transcript Timestamp Cleaner.