About Golden Delta
Golden Delta syncs two videos of the same stage by the sound of the shots, stacks them into a vertical 9:16 frame, and adds a shot timer and stage results. It all runs in your browser — your video never leaves the device.
How to make a stage video from two cameras
- Upload two videos of the same stageFor example, a head cam and a side view. The files stay on this device.
- Wait for automatic syncGolden Delta aligns the videos by the sound of the shots and stacks them into a vertical 9:16 frame.
- Add a shot timer or resultsOptionally overlay a shot timer or a stage-results overlay from IPSC Calculator.
- Save the finished videoExport the vertical 1080×1920 frame for Instagram, TikTok, or Reels — nothing is uploaded.
Frequently asked questions
How do I sync two cameras from the same stage?
Golden Delta aligns the videos automatically by the sound of the shots. Upload both files — the offset is found on its own, with no manual measurement.
Are my videos uploaded to a server?
No. Everything is processed in your browser via WebCodecs — your video never leaves the device and is never sent anywhere.
What's the output format?
A vertical 1080×1920 (9:16) video, MP4 / H.264 — ready for Instagram, TikTok, or Reels.
Can I add a shot timer and stage results?
Yes. Golden Delta detects the shots and adds a timer, and the stage results are applied as an overlay (a PNG from IPSC Calculator).
What do I need to get started?
A modern browser (Chrome, Edge, or Safari) and two videos of the same stage — for example, a head cam and a side view.
Analytics
Videos are processed only in your browser and are never sent anywhere — that doesn't change. To see where the app is awkward, we collect anonymized interface events (mode choice, wizard steps, errors) via PostHog with an EU server. No video, no frames, no coordinates.
Updated: July 2026