Add VTT To Your MP4 For Free Online

Three Simple Steps to Add VTT to MP4

01
Sign Up and Upload Your Video
Sign up for Descript and create a new project. Simply drag and drop your MP4 video into the project window. Descript will automatically begin transcribing your video, making it easy to add VTT captions later.
02
Export Subtitles from Underlord
Once transcription is complete, click on "Underlord," type "Subtitles" into the search bar, and select "Export Subtitles." This will generate a VTT file that you can easily add to your MP4 video, ensuring your content is accessible and engaging for all viewers.
03
Choose Subtitle Format and Verify MP4 Extension
Under the 'Subtitles' section, select your desired subtitle format. Ensure the exported file name ends with the correct MP4 extension to avoid compatibility issues. This step is crucial for seamless integration of your VTT subtitles with the video file.

Add VTT Subtitles to MP4 Videos Effortlessly

Generate subtitle files with speaker labels & time codes
Enhance your MP4 videos with accurate subtitles using Descript. Generate subtitle files complete with speaker labels and time codes, ensuring clarity and accessibility. This feature simplifies adding VTT to MP4, making your content more engaging and inclusive for all viewers.
Always auto-synced captions
Descript's always auto-synced captions ensure your VTT files are perfectly aligned with your MP4 videos. This feature saves you time and effort, providing accurate, real-time captions that enhance accessibility and viewer engagement. Say goodbye to manual syncing and focus on creating impactful content.
Add captions, crop, resize, and more
Enhance your videos effortlessly with Descript. Add captions, crop, resize, and more to ensure your MP4 files are accessible and polished. Seamlessly integrate VTT files for accurate subtitles, making your content more engaging and inclusive for all viewers.

More than a Subtitle Adder

Descript is an AI-powered audio and video editing tool that lets you edit podcasts and videos like a doc.

Captions & subtitles
Effortlessly add VTT captions to MP4 videos with Descript, enhancing accessibility and viewer engagement through precise subtitles.
Transcription
Effortlessly transcribe audio to text, making it simple to add VTT files to your MP4 videos for enhanced accessibility.
Video editing
Effortlessly edit videos and add VTT to MP4 files, ensuring your content is accessible and professionally polished with Descript's intuitive tools.
Multi-track editor
Descript's multi-track editor simplifies adding VTT to MP4, allowing seamless synchronization of captions with multiple audio and video tracks.

Don’t just take our word for it

With a 4.6-out-of-5-star rating and a bunch of distinctions on G2, Descript’s users have declared it an industry standard in the video and podcasting world.

2025

Best Software

Video Editing

Text to Speech

Screen and Video Capture

“With Descript I'll be able to at least double my content output since editing is taking one-quarter the time it used to.”

Donna B.

“With Descript we can create videos for our YouTube channel and our LinkedIn page much faster and with high quality.”

Balázs N.

“Descript has made cleaning up and creating my educational videos into professional presentations [possible] without needing extensive technical computer skills.”

Barbara C.

“Descript makes recording and editing audio and video a breeze. It's advanced features have streamlined my workflows, saving me a lot of time usually spent editing.”

Roderick F.

“The collaborative tools streamline teamwork, allowing my team and me to work efficiently together on projects. Overall, Descript enhances productivity and simplifies the editing process.”

Aldrich M.

“Transcription based editing makes the process much faster…All in all, a must have editor for most audiences, especially in SaaS marketing.”

Nidhin M.

Surely there’s one for you

Free

no credit card required

Start your journey with text-based editing

Get started

1 transcription hour / month

Export 720p, with watermarks

Limited trial of Basic AI Actions

Limited trial of AI Speech

Hobbyist

$16

per person / month, billed annually

Elevate your projects, watermark-free

Get started

10 transcription hours / month

Export 1080p, watermark-free

20 uses / month of Basic AI Actions suite including Filler Word Removal, Studio Sound, Draft Show Notes, Create Clips, and more

30 minutes / month of AI speech with stock AI speakers and custom voice clones

5 minutes / month of avatars

Questions? We have answers

What formats of VTT files are supported by the tool for adding to MP4 videos?
The tool supports standard WebVTT (.vtt) files for adding captions to MP4 videos. It ensures compatibility with most video players and platforms, making it easy to enhance your video content with accurate and synchronized subtitles.
Can I customize the appearance of the subtitles when using the tool to add VTT to MP4?
Yes, you can customize the appearance of the subtitles when using the tool to add VTT to MP4. Options include changing the font, size, color, and positioning to match your video's style and enhance viewer experience.
What pricing plans does Descript offer for individual users and teams?
Descript offers flexible pricing plans for both individual users and teams. Individual plans start with a free tier, followed by a Creator plan at $12/month. Teams can opt for the Pro plan at $24/month per user, which includes advanced features and collaboration tools.
Does Descript provide any collaboration features for team projects?
Yes, Descript offers robust collaboration features for team projects. Team members can edit, comment, and share files in real-time, ensuring seamless communication and efficient workflow. This makes it easy to manage and complete projects collaboratively.