EPSG Finder — Find CRS by Map Location
Click anywhere on the map to find applicable EPSG coordinate reference systems for that location. Identify the right projection for your area instantly.
Find the Right Projection Instantly
Stop guessing EPSG codes. Click on a map location and discover all applicable coordinate reference systems.
Visual Map Interaction
Click anywhere on the interactive world map to instantly find all EPSG coordinate reference systems whose area of use covers that location. See each CRS bounding box highlighted on the map.
Smart Filtering
Filter results by type — show only projected CRS for meter-based work, or view all types including geographic CRS. Results are sorted by relevance to help you find the right projection quickly.
Seamless Conversion Workflow
Found the right CRS? Click "Convert with this CRS" to jump directly to the coordinate converter with your selected CRS pre-loaded. Copy Proj4 definitions for use in your code.
How to Find EPSG Codes by Location
Click on the Map
Click any location on the world map where your data is located. A marker will be placed and the search begins automatically.
Browse Results
The panel shows all EPSG coordinate reference systems whose area of use contains your clicked point. Use the Projected/All filter to narrow results.
Inspect CRS Details
Click any result to expand it and see the full CRS information — type, area of use, units, and Proj4 definition. The bounding box is highlighted on the map.
Copy or Convert
Copy the Proj4 definition string for use in your code, or click "Convert with this CRS" to start converting coordinates immediately.
Why Use EPSG Finder
Bounding Box Visualization
Select any CRS to see its area of use displayed as a highlighted rectangle on the map, helping you verify coverage.
Complete Database
Search across 8000+ EPSG coordinate reference systems with full Proj4 definitions and area metadata.
Shareable Links
Clicked coordinates are saved in the URL. Share a link with your team to show CRS options for a specific location.
Instant Results
All searches run client-side against a preloaded database. Results appear instantly — no server round-trips.
100% Free
No usage limits, no account required. Professional EPSG lookup at zero cost.
Privacy First
All processing happens in your browser. No data is sent to any server. No tracking, no cookies.