Free Online GIS Viewer
& Format Converter

Analyze and convert your spatial data directly in your browser. No uploads, no servers, 100% secure. Supports 20+ formats including GeoJSON, Shapefile, KML, GPX, and AutoCAD.

Launch App View Supported Formats

Earthquake Time Playback

20+

Geospatial formats supported

340+

Bidirectional conversion paths

100%

Client-side processing — no uploads

Free

No registration, no limits

100% Local & Secure

Your sensitive geospatial data never leaves your device. We use advanced WebAssembly technology to process everything right in your browser.

Universal Compatibility

Stop worrying about file formats. Drag and drop Shapefiles, KML, GeoJSON, GPX, DXF, DWG, and many more. We handle the conversion.

Professional Tools

Inspect attribute tables, filter data, style your maps, and export to modern formats like GeoJSON or FlatGeobuf with ease.

Open GeoJSON, Shapefile, KML & More Online

Click on a format to learn more about how to view and convert it online — from GeoJSON to Shapefile, KML to GPX, and beyond.

.json

GeoJSON Tools

View, edit, validate, and convert GeoJSON for web maps, APIs, and desktop GIS.

.shp

Shapefile Tools

Open SHP files, inspect sidecars and CRS metadata, and convert legacy GIS data.

.gml

GML Tools

Inspect OGC GML, check its coordinate system, and convert it for modern GIS tools.

.gpx

GPX Tools

View GPS tracks and waypoints, use the GPS converter, and export GPX for maps or GIS.

.shp ESRI Shapefile .json GeoJSON .kml KML / KMZ .gpx GPX Tracks .map.json kepler.gl JSON .dxf AutoCAD DXF .dwg AutoCAD DWG .csv CSV / Excel .xlsx MS Excel .parquet GeoParquet .gpkg GeoPackage .fgb FlatGeobuf .topojson TopoJSON .gml GML .pbf OSM PBF .fit Garmin FIT .igc IGC Flight Logs .wkt/.wkb WKT / WKB .tif GeoTIFF / COG

... + Many Others

Open, Inspect, and Convert GIS Files for Any Workflow

Start with the task at hand—no installation, upload, or account required.

Open an Unknown GIS File

Drop a file into your browser to identify the format, map its features, and inspect it without desktop GIS software.

Open a file in Studio

Open GeoJSON & Shapefile Online

View GeoJSON and Shapefile datasets in your browser. Inspect geometry, browse attributes, and validate your data before sharing or publishing.

Open GeoJSON Open Shapefile

Inspect Attributes Before You Share

Review feature attributes, spot missing values, and confirm the data you are about to hand off is ready to use.

Inspect your data

Convert Data for a Different Tool

Convert GIS data locally in your browser when a colleague, client, or downstream tool needs another format.

Convert GeoJSON to Shapefile

Check GML or GeoPackage Quickly

Open standards-based GML or portable GeoPackage data for a quick look before bringing it into your primary workflow.

Open GML Open GeoPackage

Validate Data for Web Maps

Validate GeoJSON before using it in a web map, application, or API, so your development and data teams can move faster.

Validate GeoJSON

How It Works

View and convert GIS data in three simple steps — no installation, no upload, no account required.

Drag & Drop Your File

Simply drag your Shapefile, GeoJSON, KML, GPX, DXF, or any supported file into the browser. GeoDataViewer automatically detects the format and prepares it for viewing.

View on the Map

Your data renders instantly on an interactive map. Inspect attributes, filter features, change styles, and explore your dataset with professional-grade tools.

Convert & Export

Need a different format? Convert to GeoJSON, KML, Shapefile, GeoPackage, DXF, and more — all processed locally in your browser with no server upload.

Why Choose GeoDataViewer?

A quick-look tool designed for GIS professionals, data analysts, and developers who need to inspect spatial data fast.

No Upload Required

Unlike most online GIS tools, GeoDataViewer processes everything in your browser using WebAssembly. Your sensitive data never leaves your device.

No Installation Needed

No need to download heavy desktop software like QGIS or ArcGIS. Works on any modern browser — Windows, Mac, or Linux.

20+ Format Support

From classic Shapefile and KML to modern GeoParquet and FlatGeobuf. One tool covers almost every geospatial format you will encounter.

Completely Free

GeoDataViewer is free to use with no registration, no credit card, and no usage limits. Just open the site and start working.

Frequently Asked Questions

Is GeoDataViewer really free?

Yes. GeoDataViewer is completely free to use. There is no registration, no subscription, and no hidden fees. You can view and convert as many files as you want.

Do I need to upload my files to a server?

No. All processing happens locally in your browser using WebAssembly technology. Your files are never uploaded to any server, ensuring complete privacy.

What geospatial formats are supported?

GeoDataViewer supports 20+ formats including Shapefile, GeoJSON, KML, KMZ, GPX, DXF, DWG, GeoPackage, GeoParquet, FlatGeobuf, CSV, WKT, GML, and more.

Can I convert between formats?

Yes. GeoDataViewer supports bidirectional conversion between 19 format families with over 340 conversion paths, all powered by GDAL running locally in your browser.

Do I need to install any software?

No installation is required. GeoDataViewer runs entirely in your web browser. Just visit the website and start dragging files.

Is GeoDataViewer a replacement for QGIS or ArcGIS?

GeoDataViewer is designed as a quick-look tool, not a full desktop GIS replacement. It is perfect for inspecting, previewing, and converting files. For complex analysis and editing, QGIS and ArcGIS remain the industry standards.

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Free Online GIS Viewer & Format Converter