Open GEOJSON files online
These formats describe geographic features and tracks. The viewer renders them on an interactive map (Leaflet + OpenStreetMap) — KMZ is unzipped automatically.
Drop a GEOJSON file to open it
or click to choose — everything stays on your device
Choose file🔒 100% private — files never leave your browser
You can also edit GEOJSON online — change the content with find & replace, then save it back. Nothing is uploaded. Or turn GEOJSON into an image — snapshot the preview, add arrows or notes, and download a PNG.
What is a GEOJSON file?
These formats describe geographic features and tracks. The viewer renders them on an interactive map (Leaflet + OpenStreetMap) — KMZ is unzipped automatically. The .GEOJSON extension identifies a GeoJSON / KML / GPX file, which is served with the application/geo+json media type. You can open it here instantly — drop the file into the box above and it renders in your browser. Nothing is uploaded.
Besides this free online viewer, you can open GeoJSON / KML / GPX files in desktop apps such as QGIS, Google Earth, Mapbox — but here all you need is a web browser.
Quick facts
| Format | GeoJSON / KML / GPX — GeoJSON / KML / GPX |
|---|---|
| File extensions | .geojson .kml .kmz .gpx |
| MIME type | application/geo+json |
| Developer | IETF / OGC |
| Category | 3D, CAD & GIS |
| Also opens in | QGIS, Google Earth, Mapbox |
How to open a GEOJSON file online
- Click Choose file above, or drag your GEOJSON file onto the box.
- The right viewer loads automatically and renders your file.
- Read, scroll or page through it. To open a different file, choose Open another file.
100% private — files never leave your browser.
Libraries used to render GEOJSON in the browser
This viewer is built entirely with open-source JavaScript that runs in your browser:
Frequently asked questions
What is a .GEOJSON file?
A .GEOJSON file is a GeoJSON / KML / GPX, identified by the application/geo+json media type. You can open and read it instantly in the viewer above without installing anything.
What programs open GEOJSON files?
On the desktop, GEOJSON files typically open in QGIS, Google Earth, Mapbox. Online, this page opens them in any modern browser — nothing to download.
Can I edit a GEOJSON file online?
Yes. Open your file, switch to Edit, change the text with built-in find & replace, then click Save. It all runs in your browser — nothing is uploaded.
How do I convert GEOJSON to an image?
Use Snapshot to capture the GEOJSON preview, optionally add arrows, text or highlights, then download it as a PNG image.
Is it safe to open my GEOJSON file here?
Yes. The file is read and rendered entirely by JavaScript inside your own browser. It is never uploaded to a server, so nothing leaves your device.
Do I need to install anything to view a GEOJSON file?
No. There is nothing to install and no account to create. Open the page, drop your file, and it displays instantly.
Does it work on my phone or iPad?
Yes. The viewer is fully responsive and works in modern mobile and tablet browsers such as Safari and Chrome.
Is there a file size limit?
There is no hard limit, but very large files depend on your device’s memory. Big files are processed in the background so the page stays responsive.