A LITTLE HELP FOR YOUR NEXT TASK
Coordinate Format Converter
Convert geographic coordinates and Web Mercator records.
Private by design
Your inputs stay on your device and are not sent to our servers. Optional usage analytics does not receive your files or tool inputs.
Preparing private data workspace…
How to use Coordinate Format Converter
- Open or paste your data, or load the working sample.
- Choose columns and explicit processing rules. Review the proposed result and warnings.
- Download the chosen result dataset, JSON artifact or report; save a draft to continue later.
What are the limits of Coordinate Format Converter?
Supported CRS are WGS84 latitude/longitude and Web Mercator EPSG:3857 only. DMS sign and hemisphere must agree; minutes/seconds must be below 60. Web Mercator latitude limit is ±85.05112878. No datum transformations. Decimal output retains 8 places; DMS uses 3 decimal seconds. Inputs stay in browser memory. No workbook is created. Table limits: 5 MB total text, 25,000 rows, 64 columns and 200,000 cells; expensive operations have stricter limits. Processing can be cancelled.