Convert GML → GeoJSON Online — Free
Convert Geography Markup Language (GML) to GeoJSON.
Drag & drop or click to browse
Accepts .gml files up to 100 MB
Free plan includes 3 conversions/day. Need more? Talk to us →
What is a .gml file?
GML is a widely-used format in the GIS & Maps category. Convert Geography Markup Language (GML) to GeoJSON. Files in this format are commonly used across various tools, pipelines, and workflows.
What is a .geojson file?
GEOJSON is a popular format in the GIS & Maps ecosystem. Converting from GML to GEOJSON gives you access to its unique features, broader tooling support, and improved interoperability.
How to convert GML → GeoJSON online
Upload your file
Drag & drop your .GML file onto the upload zone, or click "Browse" to select it.
Validate & preview
The tool checks the file type and size before uploading. Invalid files are rejected immediately with a clear error.
Convert on the server
Click "Convert" to upload and process your file. Server-side conversion typically takes ~10 seconds.
Download your result
When done, click "Download .GEOJSON" to save your converted file. Files are securely deleted after 1 hour.
Frequently asked questions
Is this GML to GEOJSON converter free?
Yes. The GML → GeoJSON tool is free for up to 3 conversions per day. Pro (50/day) and Business (unlimited) plans unlock higher limits.
Is my file secure on the server?
Your file is uploaded over an encrypted HTTPS connection to a secure server worker. The converted file is stored temporarily and automatically deleted after 1 hour. We never share or store your files longer than necessary.
What is the maximum file size for GML?
You can convert files up to 100 MB. If your file is larger, consider compressing it first or upgrading to a Business plan for increased limits.
What is the difference between GML and GEOJSON?
GML and GEOJSON are both formats in the GIS & Maps category, each with different use cases, tooling support, and feature sets. Convert Geography Markup Language (GML) to GeoJSON.
Can I convert multiple files at once?
Batch conversion is available on Pro and Business plans. Free users convert one file at a time.