Convert FlatGeobuf to CSV

Convert FlatGeobuf (.fgb) to CSV (.csv) online for free. Fast, accurate geospatial format conversion with CRS reprojection.

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Upload your FlatGeobuf file and get CSV output in seconds.

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About FlatGeobuf

FlatGeobuf is a performant binary encoding for geographic data based on FlatBuffers. It supports streaming and random access for fast partial reads.

Extensions: .fgb

Software: QGIS, GDAL/OGR, Leaflet, OpenLayers, GeoServer

Limitations: Relatively new format with limited support in older software. Single layer per file.

About CSV

Comma-Separated Values (CSV) files store tabular data with coordinate columns (latitude/longitude or WKT geometry). A simple, universal format supported by virtually all data tools.

Extensions: .csv

Software: Excel, Google Sheets, QGIS, Python/Pandas, R

Limitations: No built-in geometry type — requires coordinate columns. No CRS metadata. No support for complex geometries without WKT.

How to Convert FlatGeobuf to CSV

Upload your FlatGeobuf file (.fgb)
Review detected layers, features, and coordinate system
Select CSV as your output format
Choose a target coordinate reference system (optional)
Click Convert and download your CSV file

Frequently Asked Questions

How do I convert FlatGeobuf to CSV?

Upload your FlatGeobuf file to ConvertGeoData, review the detected data, select CSV as the output format, and click Convert. Your converted file will be ready to download in seconds.

Is the FlatGeobuf to CSV conversion free?

Yes! ConvertGeoData offers free conversions for all users. No account required for basic conversions. Sign up for a Pro or Business plan for higher limits.

Can I change the coordinate system during conversion?

Yes. ConvertGeoData automatically detects your source CRS and lets you reproject to any EPSG coordinate reference system during conversion.

What software can open CSV files?

CSV files can be opened with Excel, Google Sheets, QGIS, Python/Pandas and more.