Stream Deck + Live Subtitles

Every button on your Stream Deck.
Now one of them runs subtitles.

Elgato Stream Deck gives you one-touch control over your entire stream. StreamTranslate gives you real-time captions and translation in 65 languages. The two work together naturally — OBS's Stream Deck integration lets you show, hide, and switch your caption layer without touching a keyboard.

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No downloads. No API keys. Works with any browser source compatible software.

The Short Answer
StreamTranslate is a browser source layer in OBS. Stream Deck controls OBS via the official plugin. Assign a Stream Deck button to show/hide the StreamTranslate source, or trigger scene transitions that include or exclude captions. You get hardware-button control over your subtitle overlay without any extra configuration.
ℹ What Stream Deck Controls (and What StreamTranslate Adds)
Elgato Stream Deck is a macro controller. Each button sends a command — to OBS, to your PC, to any connected application. It does not generate audio, do speech recognition, or produce captions. StreamTranslate handles that. The combination gives you the best of both: effortless caption control via physical buttons, with zero latency speech-to-text running in the background.

How to Control StreamTranslate from Stream Deck

Setup — about 2 minutes

  1. Go to streamtranslate.live and create your overlay. Copy the overlay URL.
  2. In OBS, add a Browser Source layer with your StreamTranslate URL. Name it clearly (e.g. "ST Captions").
  3. Install the OBS Stream Deck plugin if not already installed (free, from Stream Deck marketplace).
  4. On your Stream Deck, add an OBS — Source Visibility Toggle button. Select your "ST Captions" source.
  5. Press the button to show or hide captions live — without touching your keyboard or mouse.

What You Get With Stream Deck + StreamTranslate

ActionWithout StreamTranslateWith StreamTranslate + Stream Deck
Toggle captions on/offNot possible✓ One button press
Live speech captionsNot possible✓ Real-time, word-by-word
Real-time translationNot possible✓ 65 languages
Hardware button control—✓ Via OBS plugin
Conflicts with Stream Deck setup—None — separate OBS source

Common Questions

Which Stream Deck models work?
All of them — Stream Deck Mini, MK.2, XL, Pedal, and the newer Plus and Neo models. The OBS plugin works on all hardware. Any model with OBS integration can control StreamTranslate visibility.
Can I switch translation languages from Stream Deck?
You can use Stream Deck's URL launch action to open different StreamTranslate control pages or room configurations. Switching languages mid-stream via a single button is possible with advanced Stream Deck profiles, though the simplest workflow is toggling the overlay on and off.
Do I need the Stream Deck OBS plugin?
The OBS plugin (free, from the Stream Deck marketplace) is the easiest path for source visibility toggling. Alternatively, you can use Stream Deck's hotkey action to trigger OBS hotkeys that show/hide sources — this works without the plugin.
Does StreamTranslate work without a Stream Deck?
Yes. Stream Deck is optional. StreamTranslate works as a standalone browser source in any streaming software. Stream Deck just adds convenient hardware button control on top.

Ready to Add One-Touch Subtitles to Your Stream Deck Setup?

Takes 60 seconds. No downloads, no API keys, no configuration beyond pasting a URL.

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Also stream IRL

Also supports IRL with Moblin and the OBS audio plugin, including home and cloud OBS setups such as IRL Toolkit.

Use an OBS receiver for IRL Pro, Larix Broadcaster, PRISM Live Mobile or TVU Go. Cloud providers may need to install the plugin on your server.

Moblin · Moblin Browser Source · Cloud OBS · IRL Toolkit · OBS Studio · IRL Pro · Larix Broadcaster · PRISM Live Mobile · TVU Go · MediaMTX

IRL setup guide · Desktop setup guide