LAUNCHVIZ
LaunchViz Pano: Virtual Tours Straight From the Browser
The challenge
Virtual tours for real estate usually mean agency invoices or clunky desktop software. I wanted a tour builder that runs entirely in the browser: upload panoramas, link scenes, publish a share link. The technical catch is that a full-resolution panorama is tens of megabytes, far too heavy to ship to a phone as a single file. It had to work for developments and hotels alike.
The build
Pano slices every panorama into 512 px multi-resolution tiles inside a Web Worker and uploads them straight to object storage with presigned URLs, so even huge scenes stream progressively. The viewer is Photo Sphere Viewer with virtual-tour, markers, gyroscope and stereo VR plugins.
- Floor plans and a minimap with a live view cone tracking the current scene
- Hotspots for scenes, video and info, plus a little-planet intro animation
- Publishing writes immutable versioned tour snapshots with QR codes
- Password-protected tours, superadmin with impersonation, Sentry monitoring
The results
Pano is live at pano.launchviz.com with 86 unit tests and a 30-item end-to-end checklist behind it. Billing runs monthly at 19 euros for Pro and 49 for Studio with 14-day trials. From first commit to a working, billable product took under two weeks of AI-first building.

LAUNCHVIZ