CoordConv
Convert GPS coordinate format instantly all in your browser
CoordConv launched on March 23, 2026.
What it does
CoordConv converts coordinates between DD, DMS, DDM, UTM, MGRS, Geohash and Plus Code — instantly, in your browser. No account. No uploads. No server processing. Your data never leaves your device. Built for GPS users, GIS professionals, surveyors, drone operators and anyone who works with map coordinates. Tools included: UTM ↔ Latitude/Longitude converter、DMS ↔ Decimal Degrees converter、Batch converter — bulk convert from CSV or pasted tables
Convert coordinates between DD, DMS, UTM, MGRS, Geohash and more — all in your browser. Free, instant, no login. Works for GPS, GIS and Map.
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GridConvertProJun 2026 · gridconvertpro.com · ▲2Convert GPS coordinates between every format, free ⭐
CoordConversions NPM Module for Map Coordinate ConversionsOct 2025 · github.com · ▲8I have been working on a project that has multiple repos, all of which have to convert between multiple map coordinate types, so I made an NPM module that allows you to parse and convert between Decimal Degrees, Degrees-Minutes, and Degrees-Minutes-Seconds coordinate types. Niche? Yes. Useful? Also yes (I hope)!
Lat Long Converter - Online Free Tool2024 · latlongconverter.online · ▲9Free, Easy Map Coordinate Conversions with Batch Processing
Loc2country – Location coordinates to country in microseconds2018 · github.com · ▲42Lat/lon to country. Contribute to soorajb/loc2country development by creating an account on GitHub.
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I've recently been working with real-time geoJSON data at a rate of 50+ queries per second. SaaS solutions can be prohibitively expensive at this rate, thus, I created go-reverse-geo. Data is pulled from geonames.org and is stored in MongoDB (a requirement of my current project). It is very much a work-in-progress (I wrote it this morning). Hope someone finds it useful. https://paranoia.dev/vivi/go-reverse-geo
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