Try GView in your browser
Open the hosted Flutter web build and inspect Gerber or ODB++ files directly in the browser.
GView - Gerber & ODB++
Google Play release - Built in Flutter
Screenshots
Natural view (front)
Project Snapshot
GView is a pure Dart Gerber parser and viewer with support for RS-274-X and ODB++ formats. It is built for fast, offline inspection of PCB manufacturing data directly on mobile or desktop.
Highlights
Native Flutter UI for Android, iOS, Windows, Linux, macOS, and web.
Local parsing -- no files leave the device.
Works with multilayer boards, drill data, and apertures with precise zoom/pan.
Built to validate CAM output on the go, even without connectivity.