geohash-kit

Modern TypeScript geohash toolkit

npm GitHub

Explore

Click anywhere on the map to encode a geohash.

Mode

Precision

Geohash

Decoded

Error

Cell radius

radiusToPrecision

Point A

Point B

Distance

Contains?

Parent

Children (32)

Cover

Click on the map to place polygon vertices. Click the first point again or press "Finish" to close the shape.

pointInPolygon

Cells

After dedup

Precision range

Max cells 500

Merge threshold 0.5

Overlays

Nostr

Click anywhere on the map to generate Nostr tags.

Precision

g-tag ladder

REQ filter (createGTagFilter)

createGTagFilterFromGeohashes

nearbyFilter

parseGTags example

Rings 1

Radius (m)

© 2026 The Crypto Donkey · Powered by geohash-kit · GitHub