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THE LINK IS THE SYNC
Twitch Stream Timer

Twitch Stream Timer — Countdown Overlay For Stream Starts

Streamers use this the same way as a "starting soon" screen — set the countdown, add the overlay version as a transparent browser source, and it counts down on stream. Share the same link with mods or co-streamers and their screens match exactly.

00servers to run this
Anyone opening your link right now sees exactly this.

Change the countdown

The board above is set to 5 minutes, ready when you are — adjust it here if you need something else.

Add it to OBS in 3 steps

  1. In OBS, go to Sources → + → Browser.
  2. Paste the overlay link below (not the regular sync link) and set the size — 400×160 is a good starting point.
  3. Check "Shutdown source when not visible" to save CPU between uses.
The overlay link is the same countdown with the background made transparent and every button/menu stripped out — just the digits, ready to sit on top of your scene.

Common questions

Will viewers on Twitch see the same countdown as my screen?

Yes — whatever is on your OBS scene is what viewers see, and the overlay's countdown is calculated from the same shared deadline, so there's nothing separate to keep in sync.

Can my co-streamer or mod use the same countdown on their own screen?

Yes — share the regular (non-overlay) link with them and their device shows the identical time remaining, useful for coordinating a multi-person stream start.

Does this cost anything or add a watermark to my stream?

No — it's free with no watermark. The one exception is if you use the QR-code button, which calls a third-party API only when clicked; the overlay/timer itself never does.