Open KML file

KML files: what are they and how do I open them?

kml file icon Are you facing difficulties opening unknown files on your computer, or wondering exactly what this file is?
We've got the information and best software solutions for opening these files effortlessly.

.kml file type #1: Data in Keyhole Markup Language for Google Earth

Navigation/map files saved in Google's KML (Keyhole Markup Language) file format typically have a kml extension.

Further details:

KML (Keyhole Markup Language) is a file format used to display geographic data in an Earth browser, such as Google Earth, Google Maps, and Google Maps for mobile.

KML uses a tag-based structure with nested elements and attributes and is based on the XML standard. KML files can contain a variety of geographical data like points, lines, polygons, images, text, and more. This data can be used to mark locations, create paths, provide descriptions, and even animate the view of the map.

The KML file format is an open standard, meaning it can be used and implemented by anyone without restrictions. It was originally developed for use with Google Earth, which was initially named Keyhole Earth Viewer.

Open file with:

Google Earth icon

Google Earth

A virtual globe, map and geographical information application by Google

Google Earth for Mac icon

Google Earth for Mac

A geographical information platform


A commercial converter of various GPS maps


A digital map conversion software

GPSBabel for Linux icon

GPSBabel for Linux

Program for Linux that allows users to convert waypoints, tracks, and routes between popular GPS receivers

GPSBabel for Mac icon

GPSBabel for Mac

Application that allows users to convert waypoints and GPS map formats


A plug-in for World Wind application

GPS Visualizer

A GPS mapping tool

GPSBabel icon


A program for conversion of various waypoint and GPS map formats

TOPO! State and Weekend Explorer

A topographic mapping software from National Geographic Maps

.kml file type #2: Hiebook e-Book

A kml file extension is related to the Hiebook e-Book format. Probably obsolete.

Further details:

The kml file extension is also used for Hiebook eBook format. This format was used on Hiebook Reader, a Korean e-book reader sold in 2002. Ebooks in this format are still commercially available.

.kml file type #3: HP 48 emulator Win48 script

A kml file extension is related to the Win48, an emulator of HP 48 calculator. A kml file stores script.

Further details:

The kml file extension is associated with the Win48, an emulator of HP 48, a series of graphing calculators using Reverse Polish Notation (RPN) and the RPL programming language.

The kml file contains Win48 script.

Open file with:


A HP calculator emulators for the PC

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.kml" has the file extension "kml". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

We can help you open your file

In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

Only verified software links are provided

We have verified every software listed in our database. The software listed in our database includes links to the developer's or software's website. These links should allow you to download the right program for each file type. Using verified software from reputable sources helps minimize the risk of malware and viruses infecting your computer.