Open .gml Files Online — Free GML Viewer
Open GML File Online — Free & Instant
No signup required. Works in your browser.
📁 Drag & drop your file here
or click to browse • Max 100MB
✅ Free • ⚡ Instant • 🔒 Secure • 💻 No install
What Is a .gml File?
A .gml file is a gis format known as GML. Geography Markup Language This format is created by OGC and is widely used by cartographers and urban planners.
GML files contain structured gis data that requires compatible software to open. With OpenAnyFile, you can map and overlay .gml files directly in your browser without installing any software.
How to Open .gml Files Online
- Visit OpenAnyFile GML page
- Drag and drop your .gml file onto the upload area, or click "Browse" to select it
- OpenAnyFile automatically detects the GML format using magic byte analysis
- View, analyze, and map and overlay your file contents in the browser
- Optionally convert to GEOJSON, KML, SHP or download
Software That Opens .gml Files
.gml files are primarily created by OGC. In the gis space, you may encounter .gml files from third-party tools, online converters, or export functions. Regardless of the source, OpenAnyFile handles them all.
Open .gml on Different Platforms
- Windows: Use the original software or upload to OpenAnyFile for instant access
- macOS: Preview may not support .gml — use OpenAnyFile as a universal viewer
- Linux: Open-source alternatives exist, or use OpenAnyFile in any browser
- Mobile (iPhone/Android): OpenAnyFile works on all mobile browsers
Common .gml File Problems
Schema complexity
Other common issues include: your OS not recognizing the file extension, the file appearing corrupted after download, or lacking the required software. OpenAnyFile bypasses all these issues with universal format detection.
Convert GML to Other Formats
GML files can be converted to 3 formats including GEOJSON, KML, SHP.
Related GIS Formats
If you work with .gml files, you may also encounter these gis formats:
- ADF (.adf) — Open & convert .adf files online
- CityGML (citygml) — Open & convert citygml files online
- COG (.tif) — Open & convert .tif files online
- COPC (.copc.laz) — Open & convert .copc.laz files online
- CZML (.czml) — Open & convert .czml files online
- DEM (.dem) — Open & convert .dem files online
- E00 (.e00) — Open & convert .e00 files online
- E57 (.e57) — Open & convert .e57 files online
- ECW (.ecw) — Open & convert .ecw files online
- EPT (.json) — Open & convert .json files online
Popular GML Conversions
Frequently Asked Questions
What is a .gml file?
A .gml file is a gis format called GML. Geography Markup Language
How do I open a .gml file without installing software?
Upload your .gml file to OpenAnyFile. Our browser-based tool instantly detects and displays it — no downloads needed.
What program creates .gml files?
.gml files are typically created by OGC.
Can I convert .gml to another format?
Yes. OpenAnyFile converts .gml to GEOJSON, KML, SHP.
Is it safe to open .gml files online?
Yes. OpenAnyFile processes files in a secure, isolated environment. Files are automatically deleted and all transfers use HTTPS.
Can I open .gml on my phone?
Yes. OpenAnyFile works on all mobile browsers including iPhone and Android.