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What Is a GeoPackage (GPKG)? Single-File GIS Format Explained

What is a GeoPackage (GPKG) file? Learn why it replaces multi-file GIS formats, what it stores, and how to open or convert GeoPackage data online.

GeoPackage (GPKG) is an OGC standard built on SQLite that stores geospatial data in a single .gpkg file. It’s commonly used as a modern replacement for multi-file formats because it’s easy to share, archive, and manage.

Quick answer: A GeoPackage is a single SQLite-based .gpkg file that can store multiple vector layers, attributes, and metadata. It is a portable modern GIS container and can be inspected in the online GeoPackage viewer.

To preview a file quickly, use the GeoPackage viewer: /open-gpkg-online/.

What a GeoPackage can store

A GeoPackage may include:

  • Multiple vector layers in one file
  • Attributes and metadata stored alongside the geometry
  • A consistent container that works well for sharing and portability

When GeoPackage is a good choice

Use GeoPackage when you need:

  • A single-file format for exchange or archiving
  • Multiple layers in one dataset
  • A robust container format for modern workflows

Common issues

  • Large files may take longer to load than small text formats.
  • Some workflows require converting to a more web-native format like GeoJSON.

How to open a GeoPackage online

  1. Go to /open-gpkg-online/.
  2. Upload your .gpkg.
  3. Select layers and inspect the attribute table.

Convert GeoPackage to other formats

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GeoDataViewer Team
The GeoDataViewer team builds tools for GIS professionals who need quick, private, browser-based access to geospatial data. We write about formats, conversion workflows, and practical GIS techniques based on years of experience with QGIS, ArcGIS, GDAL, and web mapping libraries.