Cue your straps.
Go live.
Strapline is a cue-based lower thirds tool for OBS. Build your rundown, advance your cues, and push broadcast-quality name straps to screen – no coding, no fuss, no subscription.
Build your rundown.
Run the show.
Add your speakers, set their titles, and advance through cues in real time. Strapline pushes each lower third to OBS via a browser source – no switching, no manual edits mid-show.
Install Strapline on macOS. Open it before your show. Your cue list is ready to build.
Point OBS to the local URL Strapline generates. That's your live lower third layer – persistent and always ready.
http://localhost:4000/overlay Add names and titles. Hit Next to bring each strap on screen. Hit Clear to take it off. That's the whole workflow.
Built for the people
running the show.
Strapline is designed for freelance AV techs and broadcast operators who need a tool that just works – built by someone who's been in that seat.
Build your rundown in advance. Advance through cues in real time without touching your video software.
Strapline outputs a live HTML overlay. Drop it into OBS as a browser source and it updates instantly on cue advance.
Upload a logo or graphic per cue. Works alongside the built-in lower third designs at no extra cost.
No account. No cloud dependency. No internet required. Strapline runs entirely on your machine.
Native macOS desktop app with a lightweight footprint that won't compete with your encode.
Designed for standard broadcast resolution. Clean and crisp, ready for your stream or recording.
Free to download.
No account. No subscription. No internet required. Strapline runs entirely on your machine.
- – Unlimited cues per event
- – OBS browser source output
- – Built-in tray designs (bar, box, pill)
- – 1920×1080 output
- – Fully local and offline
- – macOS