Guides

Short practical guides for GPS file formats and conversions. Files stay in your browser when you use the tools.

• GPS File Formats — GPX, KML, KMZ, FIT & More

  Quick map of GPS file formats: GPX, KML, KMZ, FIT, NMEA and more. Pick a format guide or convert in the browser with no upload.

• GPX File Format — What It Is and How to Open One

  What the GPX file format is, what waypoints/tracks/routes look like, and how to open or edit a GPX online in your browser with no upload.

• What Is a KML File? Open It or Convert to GPX

  Learn what a KML file is, how it works with Google Earth and Maps, and how to convert KML to GPX for watches and trail apps—no upload.

• KMZ File — What It Is, How to Open It, Convert to GPX

  A KMZ file is a zipped KML package (usually doc.kml plus optional images). Learn how to open a KMZ file and convert it to GPX for GPS apps—no upload.

• What Is a FIT File? Convert FIT to GPX Free

  A FIT file is a binary sports-activity format from watches and bike computers. Learn what it stores and how to convert FIT to GPX in your browser.

• KML vs KMZ — What’s the Difference?

  KML is geographic XML; KMZ is usually that KML zipped with images. Learn the difference, how to open each, and how to get a GPX for watches.

• GPX vs KML — Which Should You Use?

  GPX vs KML compared by use case: sports and trail apps versus Google Earth. Convert either way in the browser with no upload.