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Vecaria

GeoJSON to FlatGeobuf

Local

Convert GeoJSON to FlatGeobuf (.fgb, streamable, random access), locally in your browser.

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Supports .geojson,.json,application/geo+json

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GeoJSON → FlatGeobuf (.fgb), locally in your browser.

What is it? GeoJSON to FlatGeobuf converts GeoJSON to FlatGeobuf (.fgb), a compact, streamable format with fast random access.

TL;DR: Convert GeoJSON to streamable FlatGeobuf.

How to use

  1. Open a GeoJSON layer.
  2. Download the .fgb file.

FAQ

Why FlatGeobuf?

It is compact and supports streaming/random access, which is ideal for web maps.

Is it local?

Yes.

Limitations

  • Output is a single layer.
  • No reprojection.

Privacy

Privacy first: this tool runs entirely in your browser. Your input and files never leave your device.