NMEA to CSV

Universal Format Converter

Convert between CSV, TSV, JSON, and Excel. Supports multiple files, primary data, and batch operations.

Select a data source to begin conversion

Upload Files

Single or multiple files

No data loaded

Upload files or use primary data to start converting

AboutNMEA to CSV

Convert raw NMEA 0183 GPS sentence logs (GGA, RMC) into CSV rows with decimal latitude, longitude, time and fix quality.Category: Scientific Formats

Turning raw GPS logs into readable spreadsheetsAuditing fix quality over a track

The NMEA to CSV tool is compatible with:GPS ReceiversMarine Navigation Logs. This tool alone can help you manage and analyze your data effectively. However, a composed workflow using GPX TO CSV, MULTIWAY CONVERTER may provide even more powerful data processing capabilities. Consider exploring these related tools for a comprehensive data solution.
NMEA 0183 is the low-level, comma-delimited sentence protocol that GPS receivers stream in real time — lines like $GPGGA and $GPRMC packed with degrees-minutes coordinates, fix quality codes and checksums that are meant for machines, not for reading. This tool parses GGA (fix data) and RMC (recommended minimum) sentences specifically, converts the degrees-and-minutes coordinate format into ordinary decimal latitude/longitude, and lays out time, fix quality and satellite count as clean columns. That's the difference between staring at a raw device log and having an actual table you can plot, sort by fix quality, or hand to someone auditing a marine or vehicle track. It also serializes rows back into checksummed GGA sentences, useful for feeding synthetic or edited position data back into NMEA-consuming software.

Frequently Asked Questions:

Which sentence types does it parse?

GGA (fix data) and RMC (recommended minimum) sentences specifically.

Why convert the coordinates?

Raw NMEA coordinates are in degrees-and-minutes format, the tool converts them to ordinary decimal latitude and longitude that's easier to plot or filter.

Developed by HowToCSV for our valued CSV Haters worldwide.