AIS Online Decoder. AIVDM & AIVDO NMEA Messages

Offline AIS decoder

If you are looking for an offline AIS decoder our Advanced NMEA Data Logger can receive AIS and NMEA sentences, parse them, and export to different targets (databases, Excel, etc.)

AIS decoder API

Our Advanced NMEA Data Logger allows you to use custom plugins and process parsed data as you want.

Online AIS decoder

This AIS online decoder can decode AIVDM & AIVDO NMEA messages with codes #1-26. Paste your AIS message in the field below and click "Decode".

AIS message: (for example: AIVDM,1,1,,A,15MgK45P3@G?fl0E`JbR0OwT0@MS,0*4E)

Decoded message:

Name Value Description