Local coordinate and file tool

GeoJSON Formatter and Validator

Format and inspect common GeoJSON objects safely in your browser.

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What GeoJSON Formatter and Validator does

Validate, beautify, minify, inspect, and download GeoJSON locally.

How to use GeoJSON Formatter and Validator

  1. Paste or upload GeoJSON.
  2. Validate and inspect its summary.
  3. Beautify, minify, copy, or download.

Method and calculation

Input is parsed as inert JSON, checked for recognized GeoJSON object and geometry types, then summarized without executing property content.

Privacy and external map tiles

All coordinates and files are processed locally in your browser and are not uploaded.

Limitations

Structural validation does not guarantee topological validity, coordinate reference correctness, or suitability for a particular GIS system.

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Frequently asked questions

Are properties rendered as HTML?

No. Values are handled as text.

What is the file limit?

GeoJSON and JSON files are limited to 5 MB and 10,000 features.