CoordTool Coordinate Converter

Convert any coordinates offline with full privacy. CoordTool supports DD, DMS, UTM (WGS84/NAD27), MGRS, SWEREF 99, RT90, Plus Codes & VOR. Professional-grade accuracy.

Overview CoordTool is a professional coordinate converter for pilots, military, surveyors, and outdoor professionals. Convert between all major systems, use the global VOR/NDB database, and work fully offline with complete privacy.

Key Features • Convert DD, DDM, DMS, UTM (WGS84/NAD27), MGRS, SWEREF 99, and RT90. • Aviation support with global VOR/NDB station lookup. • Interactive map with pin placement and live coordinates. • Copy all formats at once for quick sharing. • Works 100% offline – no account, no subscription. • 7-day free trial, then one-time Pro unlock. • Available in 5 languages (English, Swedish, German, French, Spanish).

Privacy Your data stays private. CoordTool never collects or shares personal information. All processing is done locally on your device. Location access is only used to show your position on the map and is never transmitted.

CoordTool is built for professional users who need accurate, offline coordinate conversions and aviation navigation tools.