MP4
MP4 video
MP4 is the video container everything plays. It normally holds H.264 video and AAC audio, a pairing that phones, browsers, TVs and social networks all accept.
Opens in Every phone, browser, TV, console and editor
MP4 converterMP4 to VTT converter, without the upload.
Turn MP4 videos into VTT. It is converted in your browser, so the file never leaves your device.
Drop MP4 files here
or choose from your computer paste with Ctrl V
from Photos or Files
Ready · other file types work too0 bytes uploaded, ever
Convert to
- On your device · nothing is uploaded
- No account, no email
- Batch and ZIP download
- Free
- VTT: embedded subtitles
How to convert MP4 to VTT
Add your MP4 videos
Drop MP4 files onto the box above, or click it to choose them. ToAny reads the file's contents to detect the type, so a wrong extension does not matter.
VTT is already chosen
Press Convert. There is nothing else to set. The work happens in this tab and can take a while for large files.
Download
Save the result. When one file produces several VTT files they come as a single ZIP.
Why ToAny
Private by construction
The MP4 to VTT converter is part of this page and runs inside your browser. Your videos are never sent to ToAny or to anyone else.
No upload, no queue
Nothing has to travel to a server and back, so work starts the moment you press Convert. How long it takes depends on your device and the size of the file.
Free, without an account
No sign-up, no email address and no watermark. Add several files and download them together as a ZIP.
MP4 to VTT: what to expect
MP4 is a delivery format: other tools sometimes need audio only, a GIF, or a different container. VTT is what web video players and browsers display natively. MP4 is at home in sharing and uploading video anywhere; VTT is the usual choice for captions on web pages and in HTML video players.
One MP4 can produce several VTT files; when it does, they are offered together as a ZIP download. This is demanding work for a browser: a long or high-resolution file can take several minutes, and your device does all of it, so keep the tab open.
This pair uses the compatibility engine, ffmpeg built for the browser, because VTT cannot be written by the browser's built-in codecs. It is a one-off download of about 10 MB that the browser keeps, it is slower than the built-in codecs, and it takes files up to 1 GB. Only text subtitle tracks stored inside the video are extracted, one VTT file per track (several tracks come as a ZIP); picture-based tracks from DVDs and Blu-rays are refused because they would need text recognition. A feature-length file is fine, since the video is only read and the result is a few kilobytes.
MP4 vs VTT
VTT
WebVTT subtitles
WebVTT is the caption format of HTML5 video. It looks like SRT with a WEBVTT header and a full stop in the timestamps, but also supports positioning, styling with CSS, chapters and metadata. Browsers display it natively.
Opens in Web browsers (the HTML track element), YouTube, Vimeo, VLC and streaming players
VTT converter| MP4MP4 video | VTTWebVTT subtitles | |
|---|---|---|
| Stands for | MPEG-4 Part 14 | Web Video Text Tracks |
| Type | Video container | Subtitles |
| Compression | Lossy | None |
| Introduced | 2001, by the Moving Picture Experts Group | 2010, by the WHATWG and W3C |
| Opens in | Every phone, browser, TV, console and editor | Web browsers (the HTML track element), YouTube, Vimeo, VLC and streaming players |
| Best for | Sharing and uploading video anywhere | Captions on web pages and in HTML video players |
| File extension | .mp4 | .vtt, .webvtt |
Questions
Are my videos uploaded anywhere?
No. The MP4 to VTT conversion runs inside your browser, on your own phone or computer. The file is not sent to ToAny or to anyone else.
Is anything lost when converting MP4 to VTT?
The content is carried over as faithfully as VTT allows; features that VTT does not have are left out.
Can I convert several MP4 files at once?
Yes. Add as many as you like, convert them together and download each result or all of them as one ZIP.
How do I convert MP4 to VTT on Windows, Mac, iPhone or Android?
The steps are the same everywhere because ToAny runs in the web browser: open this page in a current version of Chrome, Edge, Safari or Firefox, add the MP4 file, press Convert and save the VTT. There is nothing to install.
Is there a file size limit?
Yes. MP4 to VTT runs on the compatibility engine, which takes files up to 1 GB, and a long clip takes a while because it is slower than the browser's built-in codecs. Beyond that the limit is your device's memory, since nothing is uploaded; a computer copes with large files better than a phone.