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.
Install Strapline on macOS or Windows. 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://127.0.0.1:58080/lower-third Build your rundown right in the app – or import a CSV. Hit Next to bring each cue on screen. Advance again to clear. 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.
Choose from bar, box, or pill lower third designs. Set your colors once and every cue uses them. No image editing, no Photoshop.
No account. No cloud dependency. No internet required. Strapline runs entirely on your machine.
Native desktop app for macOS and Windows 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
- – Save and reload show files
- – Built-in tray designs (bar, box, pill)
- – 1920×1080 output
- – Fully local and offline
- – macOS & Windows