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Overlay studio

Design a clock or countdown for OBS, then copy the browser source URL. The preview is the overlay itself.

Overlay
Presets
Display
Appearance
Paper
Ink

Saves the overlay type, appearance, and countdown settings in this browser. A live countdown keeps running in its own browser source.

Nothing saved for this tool yet.

Set the OBS browser source to 1920 × 1080.

https://clockbeam.com/overlay/countdown/
OBS setup
  1. Copy the browser source URL.
  2. In OBS, add a Browser Source and paste that URL.
  3. Set the width to 1920 and the height to 1080. Leave the custom CSS empty.
  4. A transparent overlay stays clear. A solid preset fills the source.
  5. An event time, or a duration with Anchor to now, keeps the same end after a reload. Otherwise a duration is remembered only in that browser source.
  6. Pause needs Controls, then right-click the source and choose Interact. This overlay does not play sound.