# Test record: WebM to MP4

- Date: 2026-08-01
- Host: Windows x64 local development machine
- App: LocalFlux 1.0.7.0, dark UI smoke theme
- Route: WebM → MP4
- Source: `samples/source-video.webm` (69,893 bytes)
- Output: `samples/source-video_converted.mp4` (55,788 bytes)
- UI result: completed; 68.3 KB → 54.5 KB; 20% smaller
- Screenshots: `screenshots/01-ready.png`, `screenshots/02-completed.png`

Claim boundary: this proves the route completed for the included short fixture. It is not a general size, quality, subtitle, or multi-track guarantee.