Subtitles for YouTube

Caption your YouTube videos with AI, add styling and publish them to YouTube.

Start by pasting a YouTube video link below. No upload required.

Improve your YouTube SEO and get a wider audience with subtitles

Auto-generate subtitles

Get better quality auto-generated subtitles than YouTube's using OpenAI.

Review and polish subtitles

Modify, add styles and fix typos with Captionfy's subtitle editor.

Publish subtitles on YouTube

Connect your YouTube account and publish captions with a simple click.

The best YouTube subtitling platform


  • Generate YouTube subtitles automatically.
  • Easy YouTube subtitle editor to polish your captions.
  • Add colours to your YouTube subtitles.
  • Auto translate subtitles.
  • Publish captions on YouTube.


  • Subtitles improve your YouTube SEO, and your videos can get more views.
  • YouTube viewers are using subtitles more than ever.
  • Subtitles make your videos accessible to international audiences.
  • You can choose to get help from your viewers to polish/create captions for your videos.
Captionfy's subtitle editor
Captionfy's subtitle editor

🤔 Not sure what video to caption?
Check out the caption requests page and help users who need them 🙌

How it works

*Anyone can create subtitles for any public YouTube video.*
Only YouTubers can publish the subtitles on YouTube.

How to create subtitles and publish them on YouTube

1 Search video by its URL/link.
Captionfy search functionality
2 Click "Create subtitles"
Captionfy create new subtitles
3 Choose how you want to create the subtitles
Captionfy create subtitles options
You can either create new subtitles using the editor, upload an existing subtitle file, or generate subtitles automatically if you have enough credit.
4.1 Auto-generating subtitles
Captionfy auto-generate subtitles functionality
If you auto-generate subtitles, you will be notified once they are finished and a new subtitle project will be created in your profile and in the video page.
The new subtitles will be private and only you will be able to see and work on them. You can then use the editor to polish them (fix any errors or add colors, for example).
4.2 Using the editor to create your subtitles
Captionfy subtitle editor
If you use the editor to create your subtitles, you have many options. You can start with existing captions (e.g. YouTube's auto-generated subtitles) or create subtitles from scratch. You can also auto-translate existing subtitles.
5.1 Connect your YouTube account to easily publish the subtitles to YouTube (if you are the YouTuber).
Captionfy connect with YouTube
You can connect your YouTube channel to Captionfy to publish the subtitles very quickly. To connect, go to your profile and click "Connect YouTube" and follow the instructions you will receive.
5.2 Publishing the subtitles on YouTube (if you are the YouTuber).
Captionfy publish captions on YouTube
If you have connected your YouTube account (see step above), you can simply click "Publish to YouTube" and the subtitles will be automatically published.
If you haven't connected your YouTube account, you can download the subtitles and upload them manually on YouTube Studio. Here is a YouTube tutorial for uploading subtitles

How to view and share subtitles created on Captionfy

1 Search video by URL/link or title/channel.
Captionfy search functionality
3 Watch, share or embed the video page with the selected subtitles.
Captionfy embed video with subtitles
To embed the video with the subtitles from Captionfy on your site, follow the embed dialog instructions.
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