Convert Shapefile Polygon to Line Online

Extract Shapefile polygon boundary rings as line features. Upload as a ZIP archive.

Powered by GDAL WebAssembly and Turf.js for accurate geometry conversion.

Shapefile line output is best for desktop GIS compatibility. Upload your polygon Shapefile as a ZIP archive containing .shp, .dbf, and .prj.

→ Full guide: Polygon to Line Tools

Convert Shapefile

Shapefile to GeoJSON
Shapefile to KML
Shapefile to GeoPackage
Shapefile to CSV

Visualization Tools

Shapefile Viewer
Visualize Any Format
GeoJSON Viewer
KML Viewer
CSV Viewer
GPX Viewer

Grid Tools

Grid Generator

Bounding Box Tools

Shapefile Bounding Box
GeoJSON Bounding Box
KML Bounding Box
GeoPackage Bounding Box
GML Bounding Box

Measurement Tools

Measure Shapefile Features
Measure GeoJSON Features
Measure KML Features
Measure GeoPackage Features
Measure GML Features

Buffer Tools

Buffer Shapefile
Buffer GeoJSON
Buffer KML
Buffer GeoPackage
Buffer GML

Dissolve Tools

Dissolve Shapefile
Dissolve GeoJSON
Dissolve KML
Dissolve GeoPackage
Dissolve GML

Centroid Tools

Shapefile Centroid
GeoJSON Centroid
KML Centroid
GeoPackage Centroid
GML Centroid

Simplification Tools

Simplify Shapefile
Simplify GeoJSON
Simplify KML
Simplify GPX
Simplify GeoPackage

Data Inspection

Shapefile Inspector
Geospatial File Inspector
GeoJSON Inspector
GeoTIFF Inspector

Feature Selection Tools

Select Shapefile Features
Select GeoJSON Features
Select KML Features
Select GeoPackage Features
Select GML Features

Filter by Attribute Tools

Filter Shapefile by Attribute
Filter GeoJSON by Attribute
Filter KML by Attribute
Filter GeoPackage by Attribute
Filter GML by Attribute
Filter Any Vector Format

Convex Hull Tools

Convex Hull Shapefile
Convex Hull GeoJSON
Convex Hull KML
Convex Hull GeoPackage
Convex Hull GML

More Polygon to Line Tools

GeoJSON Polygon to Line
KML Polygon to Line
GeoPackage Polygon to Line
GML Polygon to Line

Line to Polygon Tools

Shapefile Line to Polygon
GeoJSON Line to Polygon
KML Line to Polygon
GeoPackage Line to Polygon
GML Line to Polygon

Explode to Points Tools

Explode Shapefile to Points
Explode GeoJSON to Points
Explode KML to Points
Explode GeoPackage to Points
Explode GML to Points

Flatten Multi-Geometry Tools

Flatten Shapefile
Flatten GeoJSON
Flatten KML
Flatten GeoPackage
Flatten GML

Combine Features Tools

Combine Shapefile Features
Combine GeoJSON Features
Combine KML Features
Combine GeoPackage Features
Combine GML Features

Spatial Operations

Clip Shapefile
Repair Shapefile
Clip GeoJSON
Clip Vector Data
SQL Query
Explode Multi-Geometries

Raster Operations

Crop GeoTIFF
Crop Raster
Resize GeoTIFF
Resample Raster
Extract Band
Reproject GeoTIFF

Rasterization Tools

Rasterize Shapefile
Rasterize GeoJSON
Rasterize KML
Rasterize GPX
Rasterize GeoPackage
Rasterize GML

Reprojection Tools

Reproject Shapefile
Reproject GeoTIFF
Reproject Vector
Assign CRS

Coordinate Conversion Tools

Lat/Long to DMS

Decimal to degrees/minutes/seconds

DMS to Lat/Long

Degrees/minutes/seconds to decimal

Lat/Long to UTM

Geographic to UTM coordinates

UTM to Lat/Long

UTM to geographic coordinates