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Professional browser-based GIS editor with layer management, drawing tools, raster georeferencing, 9 geoprocessing operations, attributes table, AI chat assistant, measurement tools, version history, and multi-format export. Upload GeoJSON, KML, Shapefile, GeoPackage, or raster images.
Upload geospatial files, build operation pipelines with buffer, union, dissolve, and more, then export as GeoJSON, KML, or WKT
Answers to the most common questions about this tool
Web GIS Utils is a lightweight, browser-based GIS toolkit. It lets you upload geospatial files, apply spatial operations in a stackable pipeline, and export the processed results — all without installing any software.
You can upload GeoJSON and KML files. The tool automatically parses the geometry and displays features, area, perimeter, and vertex statistics. Export formats include GeoJSON, KML, and WKT (Well-Known Text).
The tool offers 9 operations: buffer (with configurable distance, units, and overlapping merge), union (merge polygons), simplify (reduce vertices), bounding box, convex hull, centroid, dissolve by property, area calculation, and feature split. Operations are stackable in a pipeline.
Each operation you add becomes a step in a sequential pipeline. Steps can be reordered by drag-and-drop, and the system automatically recomputes all downstream results. You can undo/redo any change with Ctrl+Z / Ctrl+Shift+Z, and delete individual steps at any time.
Your first spatial operation each session is completely free — no credits, no account needed. After that, operations cost just 0.1–0.2 credits each (area calculation is always free). With the default 10 free credits you can run 50–100+ operations. Sign up for more credits or purchase packages starting from EUR 19.90.
Yes. You can download the final processed geometry in three formats: GeoJSON (for web and GIS applications), KML (for Google Earth), or WKT (for database imports and interoperability with tools like PostGIS or QGIS).
The tool runs entirely in the browser using the Turf.js library. For buffer operations on complex geometries with more than 1,000 vertices, it automatically simplifies the input to prevent browser freezing, then applies the buffer. Statistics are recalculated at every step.
Most operations (union, simplify, bbox, hull, centroid, split) cost just 0.1 credits. Buffer and dissolve cost 0.2 credits due to their parameter complexity. Area calculation is always free. Your first operation each session costs nothing — you can try the tool without any commitment. With 10 free credits (granted on signup), you can perform 50–100+ operations before needing to purchase more.
Yes. The tool maintains a full undo/redo history (up to 20 steps). Use Ctrl+Z to undo and Ctrl+Shift+Z to redo. The history covers file uploads, operation additions, deletions, reordering, and resets.