GeoJSON Validator

GeoJSON Validator — validate map JSON

Inspect GeoJSON type, feature and geometry counts. Tentaco GeoJSON Validator: review input and get an instant result — free, no sign-up.

Use the tool

Full tool — runs in your browser. No sign-up required.

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Does GeoJSON Validator store my input?

No. GeoJSON Validator processes the standard mode locally in your browser; Tentaco does not receive your input for that path.

Can I export the result?

Yes. Copy the output from GeoJSON Validator or download it when the tool offers a file.

Which standards are supported?

GeoJSON Validator follows the formats named in the UI and description. Unlisted variants are not guaranteed.

Can I use it offline?

After the first load, GeoJSON Validator often keeps working offline. Online dependencies are labeled.