GpXfer

GpXfer transfers GPX files from your Android phone to common handheld GPS devices over USB — no PC, no internet, no account. Plug in your GPS, pick a file, tap SEND. That's it. HOW IT WORKS Connect a GPS device to your phone using a USB OTG cable. GpXfer detects the device within seconds. Select your GPX file, then send it directly over USB. Permissions are remembered — next time, the device reconnects automatically. KEY FEATURES Transfer & Manage • Send GPX files directly to GPS devices over USB • Browse, pull, and delete files on connected devices • Pull files to your phone's Downloads folder • Clean device waypoints or tracklog before sending • Send All — push a file to every connected device at once Multi-Device Support • Connect multiple GPS devices via USB hub • Each device tracked independently • Works with any combination of supported devices File Formats • GPX files — waypoints, routes, and tracks • KML/KMZ auto-converted to GPX before sending • GPX validation with auto-fix for corrupted files Map Preview • Preview waypoints, routes, and tracks on an offline map • Offline country borders, cities, and airports with ICAO codes • Elevation profile for routes and tracks Coordinate Converter • Convert between DD, DMM, DMS, and MGRS formats USB Auto-Detection • Detects GPS devices automatically when plugged in • USB mode detection with clear guidance if settings need changing SUPPORTED DEVICES Works with any handheld GPS that connects as USB mass storage — wrist-mounted, trail, and mapping units. Dual-volume devices (internal + card) are grouped automatically. If your device is not recognised, check its USB mode setting. Use Serial or Mass Storage mode. MTP is not supported. PRIVACY Fully offline. No ads, no analytics, no tracking, no accounts. Your files never leave your phone except over USB to your GPS device. REQUIREMENTS • Android 7.0 or higher • USB OTG capable phone or tablet • USB OTG cable or adapter • Compatible GPS device