Buffer Analysis Tool
Generate buffer zones around any GeoJSON geometry. Click the map or paste GeoJSON, set distance and units, and see the buffer in real time. All processing happens in your browser.
Create Buffer Zones Instantly
Generate buffer areas around points, lines, and polygons with adjustable distance and units — results update in real time on the map.
All Geometry Types
Buffer works with Point, LineString, Polygon, MultiPoint, MultiLineString, MultiPolygon, and FeatureCollection. Click the map for a quick point buffer or paste complex geometries.
Real-Time Map Preview
See the buffer zone update instantly on the map as you adjust the distance or change units. The input geometry is shown in blue and the buffer in orange for clear visual distinction.
Shareable Buffer Links
Your input point, distance, and unit settings are saved in the URL. Share the link with colleagues to reproduce the exact buffer configuration.
How to Create a Buffer Zone
Choose Input Method
Select 'Click Map' to place a point by clicking on the map, or 'Paste GeoJSON' to input any GeoJSON geometry directly.
Set Buffer Distance
Enter the desired buffer distance and select the unit (kilometers, miles, meters, feet, or nautical miles).
View the Buffer
The buffer zone appears instantly on the map in orange. The input geometry is shown in blue for reference.
Copy or Export
Copy the resulting GeoJSON to clipboard or export it as a .geojson file for use in other GIS applications.
Why Use Buffer Analysis Tool
All Geometry Types
Works with points, lines, polygons, and multi-geometries. Paste any valid GeoJSON or click the map for quick point buffers.
Real-Time Results
Buffer zones update instantly as you change distance or units. No need to click a compute button.
Shareable Links
Point coordinates, distance, and unit are encoded in the URL. Share a link to reproduce the exact buffer.
Powered by Turf.js
Uses the industry-standard Turf.js library for geodesic buffer computation, ensuring accurate results worldwide.
100% Free
No usage limits, no account required. Generate as many buffer zones as you need at zero cost.
Privacy First
All computations happen in your browser. No data is sent to any server.
Frequently Asked Questions
What geometry types can I buffer?
What distance units are supported?
How accurate is the buffer computation?
Can I export the buffer result?
Is my data sent to a server?