GeoJSONic ← Back

In the browser

GeoJSON validator.

Validate GeoJSON in your browser. Nothing is uploaded.

Up to 5 MB. A larger file is refused. Nothing is parsed, and the map stays off.

Paste GeoJSON

Choose a .geojson or .json file

Keep the file

On your iPhone. On your Mac.

The check stays in this browser. Open the file in either app.

PortaDrive with a PDF connected as a drive. The Sneakernet row sits under the drive. — Drop a PDF. It mounts like a drive.

Capturing field notes at the crosshair, with quick actions for photo, audio, and starting an activity — Write the note where you stand.

Finder showing a PortaDrive volume with files packed inside the PDF. — The files, in Finder.

Notes clustered by count across the globe, from a single pin to dozens in one area — The same notes, on the globe.

The GeoJSONic Sneakernet window. Notes from a journal sit on a globe, with Route 66 Classic, the Canadian Rockies, and Big Spring Park in the list. — The journal, on your Mac.

A field note in detail, with weather, GPS data, and recorded activities — The place, the weather, the note.

PortaDrive

Mac App Store · $8 once

Open this PDF in PortaDrive ($8) to mount it and work with the files on your Mac.

GeoJSONic

iPhone and iPad · App Store

Save the .geojson and open it in GeoJSONic on your iPhone.