Yutao Liu GIS Tools

GIS Tools

Online GIS tools

Batch coordinates, tracks, tables, and map measure. All math runs locally and does not replace licensed survey products.

Map measure

Measure

Measure distance, area, and angles on a 3D globe

Click the globe to add points. Draw a path for distance, a polygon for area, or three points for an angle. Free and local.

Coordinates

Coordinates

Batch coordinate converter

Paste or upload a CSV, choose a conversion (including China map offsets), and download the result locally.

 Pick

Map coordinate picker

Draw on the map at left; read coordinates in the panel at right for the active CRS. Switch basemap and projection.

Files

Convert

CSV and geospatial file conversion

Select longitude and latitude columns, preview, then download.

 Map bars

CSV map 3D bars

Upload province or city values as CSV and build a rotatable 3D map bar chart.

 GPX

GPX track cleaning

Upload a GPX: clean noise, or add timestamps by duration/speed, then download.

 EXIF

Aerial photo EXIF extraction

Select multiple photos, parse EXIF locations, and download a point table.

Other regions

China

GCJ02 / WGS84

China map offset conversion for internet maps (Amap basemap).