# Destinations (/docs/destinations)



Once captions are generated, they need to be sent to a destination for them to be displayed for the audience. Line 21 supports 5 categories of destinations:

| Category                                                  | Text                                  | Video                                 | Languages | Description                                                                                      |
| --------------------------------------------------------- | ------------------------------------- | ------------------------------------- | --------- | ------------------------------------------------------------------------------------------------ |
| [Browser](/docs/destinations/browser)                     | ✓ | ✗       | All       | A sharable browser page that displays captions.                                                  |
| [Overlay](/docs/destinations/overlay)                     | ✓ | ✗       | All       | A floating, borderless window that display captions on top of other content or applications.     |
| [Text Destinations](/docs/destinations/text-destinations) | ✓ | ✗       | All       | API-based delivery of captions as text to various target platforms, systems, apps, pages         |
| [RTMP Streaming](/docs/destinations/rtmp-streaming)       | ✓ | ✓ | Single    | Encoding captions into a RTMP video and simulcast it to Facebook, Twitch, Twitter or YouTube.    |
| [HLS Streaming](/docs/destinations/hls-streaming)         | ✓ | ✓ | All       | Publish video and captions to an HLS video player, embeddable in your own website or standalone. |
