GIS and Mapping Online Tools
Free online gis and mapping including JSON formatter, text compare, hash generator, Base64 encoder, URL parser, and more. With 17 IO Tools helps you quickly format, convert, encode, and work with data directly in your browser. Most tools run locally for speed and privacy, and most tool inputs are not stored on our servers. Some features that require storage (for example, Quick Paste) store data only to provide that feature. Built to keep useful tools simple, fast, and all in one place - dmlub2Ro
GIS and Mapping
17 tools
Geo Distance Calculator
Calculate great-circle distance between two latitude/longitude points.
Bearing Calculator
Calculate initial bearings between two geographic points.
Coordinate Format Converter
Convert coordinates between decimal degrees and DMS formats.
Geographic Midpoint Calculator
Compute midpoint coordinate between two points on Earth.
Polygon Area Calculator
Estimate polygon area and perimeter from latitude/longitude vertex list.
UTM Zone Finder
Find UTM zone number and hemisphere from latitude and longitude.
Geohash Tool
Encode lat/lon into geohash or decode geohash to approximate coordinate.
Map Scale Calculator
Calculate map ratio from map and ground distance or reverse-calculate ground distance.
Elevation Grade Calculator
Calculate grade percentage and slope angle from elevations and horizontal distance.
Destination Point Calculator
Compute destination coordinates from start point, bearing, and travel distance.
Survey Traverse Closure Calculator
Compute traverse closure error and relative precision from distance-bearing legs.
Coordinate Transformation Helper
Apply translation, rotation, and scale transformations between local and global coordinate frames.
Traverse Adjustment Bowditch
Adjust traverse latitude/departure values by Bowditch rule and compute corrected coordinates.
Contour Interval Volume Estimator
Estimate volume from contour elevation-area rows using end-area method.
Line of Sight Visibility Tool
Check theoretical line-of-sight visibility from heights and path length with curvature/refraction.
Solar Shadow Azimuth Calculator
Estimate solar azimuth/altitude and shadow direction/length from date and solar time.
Bearing Distance Resection Helper
Estimate unknown point coordinates from bearings observed to two known control points.