Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .vtt

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .vtt file?
  • Which program can create the .vtt file?
  • Where can you find a description of the .vtt format?
  • What can convert .vtt files to a different format?
  • Which MIME-type is associated with the .vtt extension?
WebVTT Document .vtt file icon

WebVTT Document

VTT file is a WebVTT Document. WebVTT (Web Video Text Track) is a plain-text subtitle format designed for use with HTML5 video. It was developed by the W3C and WHATWG.
Category: Multimedia files
Application: Internet Explorer
Program name: -
Mime-type: text/vtt
Magic bytes (HEX): 0x57, 0x45, 0x42, 0x56, 0x54, 0x54
Magic string (ASCII): WEBVTT
Related extensions:

Other types of files may also use the .vtt file extension. If you have helpful information about .vtt extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Microsoft BizTalk Tracking Profile
VT100 Terminal Data
Visual Studio T4 Text Template
Combat Mission Shock Force Scenario
Valve Source Texture Data
ThinkVantage Rescue and Recovery File
MSN Messenger Contact List
Houdini 3D Vertigo File
Corel VideoStudio Filter

The .vtt filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

btt (1), vtr (1), vtf (1), vrt (1), vft (1), tt (1), ftt (1), ctt (1), vty (1), vtg (1), vt (1), vgt (1), tvt (1), gtt (1), dtt (1)

Can't open a .vtt file?

If you want to open a .vtt file on your computer, you just need to have the appropriate program installed. If the .vtt association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.vtt

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012, Windows 7, Windows 8, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

Rate this page

4 / 5 based on 19 user ratings.