Are my files uploaded?

No. This tool runs entirely in your browser tab. Files are read from your disk into memory and the result is generated locally.

Is it free? Are there limits or watermarks?

Free and open source (MIT). There are no file-size caps, daily quotas, accounts or watermarks.

Yes, once the page (and any engine it needs) has loaded, it keeps working without a connection thanks to the service worker cache.

Home / Maps & GPS / Plus Code & Geohash Converter

Convert between coordinates, plus codes, geohashes and Maidenhead locators, with a map.

Free, no uploads, no sign-up. Runs 100% in your browser.

Every code is computed with the published algorithms in your browser. The tool guesses what you typed, so you can paste any of them.

Input: Text. Output: Text.

The map has no background tiles by default, so your location area is not sent anywhere. Turn on the map background if you want street detail.
Most watches and apps export GPX. Look for Export or Share in the activity menu.

Are my files uploaded?: No. This tool runs entirely in your browser tab. Files are read from your disk into memory and the result is generated locally.
Is it free? Are there limits or watermarks?: Free and open source (MIT). There are no file-size caps, daily quotas, accounts or watermarks.
Does it work offline?: Yes, once the page (and any engine it needs) has loaded, it keeps working without a connection thanks to the service worker cache.

Coordinate Converter: Convert between decimal degrees, DMS, UTM and MGRS, and measure distance between points.
GPS / GIS Converter: Convert GPX, KML, KMZ, GeoJSON, Shapefile, TCX and CSV with a map preview and track stats.
GPX Elevation Profile: See the elevation profile of a route with grade colours, climbs, total ascent and a map.
GPX Pace & Splits: Per kilometre or mile splits with pace, speed, climbing and heart rate from any GPX or TCX activity.