Show HN: Free Online GIS Viewer and Format Converter

GeoDataViewer - Free Online GIS Viewer & Converter Menu

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Studio Formats

ESRI Shapefile GeoJSON KML / KMZ GPX Tracks kepler.gl JSON AutoCAD DXF AutoCAD DWG CSV / Excel MS Excel GeoParquet GeoPackage SQLite FileGDB FlatGeobuf MapInfo TopoJSON GML OSM PBF Garmin FIT IGC Flight Logs WKT / WKB GeoTIFF / COG

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Datasets Blog Documentation About Measure Distance Measure Area Radius Map Tool How Far Can I Drive Current Location & Weather Elevation Finder World Time Zones OpenClaw Exposure Map

Converters

GeoJSON GeoJSON to ESRI Shapefile GeoJSON to GeoPackage GeoJSON to PMTiles

ESRI Shapefile ESRI Shapefile to GeoJSON ESRI Shapefile to GeoPackage ESRI Shapefile to MBTiles

CSV CSV to GeoJSON CSV to GeoPackage CSV to GPX

GPX GPX to GeoJSON GPX to GeoPackage GPX to KML

GeoPackage GeoPackage to GeoJSON GeoPackage to ESRI Shapefile GeoPackage to File Geodatabase

FlatGeobuf FlatGeobuf to GeoJSON FlatGeobuf to GeoPackage FlatGeobuf to ESRI Shapefile

JSON-FG JSON-FG to GeoJSON JSON-FG to GeoPackage JSON-FG to ESRI Shapefile

KML KML to GeoJSON KML to GeoPackage KML to ESRI Shapefile

Mapbox Vector Tiles Mapbox Vector Tiles to GeoJSON Mapbox Vector Tiles to GeoPackage Mapbox Vector Tiles to ESRI Shapefile

PMTiles PMTiles to GeoJSON PMTiles to GeoPackage PMTiles to ESRI Shapefile

MBTiles MBTiles to GeoJSON MBTiles to GeoPackage MBTiles to ESRI Shapefile

AutoCAD DXF AutoCAD DXF to GeoJSON AutoCAD DXF to GeoPackage AutoCAD DXF to ESRI Shapefile

GML GML to GeoJSON GML to GeoPackage GML to ESRI Shapefile

Microsoft Excel Microsoft Excel to GeoJSON Microsoft Excel to GeoPackage Microsoft Excel to CSV

GeoRSS GeoRSS to GeoJSON GeoRSS to GPX GeoRSS to KML

MapInfo MapInfo to GeoJSON MapInfo to GeoPackage MapInfo to ESRI Shapefile

File Geodatabase File Geodatabase to GeoJSON File Geodatabase to GeoPackage File Geodatabase to ESRI Shapefile

SpatiaLite / SQLite SpatiaLite / SQLite to GeoJSON SpatiaLite / SQLite to GeoPackage SpatiaLite / SQLite to ESRI Shapefile

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 Shapefile, KML, GeoJSON, and AutoCAD.

Launch App

View Supported Formats

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.

Supported File Formats

Click on a format to learn more about how to view and convert it online.

.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 .sqlite SQLite .gdb FileGDB .fgb FlatGeobuf .tab MapInfo .topojson TopoJSON .gml GML .pbf OSM PBF .fit Garmin FIT .igc IGC Flight Logs .wkt/.wkb WKT / WKB .tif GeoTIFF / COG ... + Many Others

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...

Show HN: Free Online GIS Viewer and Format Converter

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