Geolocation Simulator

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Geolocation Simulator is a developer tool that lets you test location-based web applications by simulating GPS coordinates along a custom route. - Import GeoJSON files with LineString geometry - Paste GeoJSON directly from clipboard - Interactive map preview with MapLibre GL JS - Play, Pause, Stop, and Restart controls - Adjustable speed from 0.5x to 5x - Overrides navigator.geolocation API - Side panel mode for persistent access (Chrome 114+) The extension intercepts calls to navigator.geolocation.getCurrentPosition() and watchPosition(), returning simulated coordinates from your imported route instead of your real location. PERFECT FOR - Testing location-aware web applications - Developing delivery or logistics apps - QA testing geofencing features - Demonstrating location-based features - Learning about the Geolocation API Import any valid GeoJSON Feature with LineString geometry. Coordinates follow the GeoJSON standard: [longitude, latitude] in WGS84. All processing happens locally in your browser. No location data is sent to external servers. The extension only activates when you enable the Override toggle.

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