Free online KMZ to GDB converter
How to convert KMZ files to GDB format for Garmin GPS devices using GPSBabel or online tools.
Convert KMZ to GDB online - free
Your file is processed instantly and deleted as soon as you download it.
Import a file from a URL
Paste a direct link to the file. We download it to our server and it is converted exactly like an upload.
How it works
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Upload your .kmz file
Click to browse to select your file you want to convert or simply drag & drop your file into selected area.
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Perform .kmz to .gdb conversion
After successful file upload, click to convert when you are ready.
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Download converted .gdb file
Conversion result is ready to download.
How to convert kmz to gdb file
- GPS navigation, maps, GIS
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101convert.com assistant bot
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Understanding KMZ and GDB file formats
KMZ is a compressed version of the KML (Keyhole Markup Language) file format, widely used by Google Earth and other mapping applications to store geographic data, including placemarks, paths, and overlays. GDB is the Garmin MapSource Database file format, primarily used by Garmin GPS devices and software to store waypoints, routes, and tracks.
Why convert KMZ to GDB?
Converting KMZ to GDB is essential when you need to transfer map data from Google Earth or similar applications to Garmin GPS devices for navigation, route planning, or fieldwork.
How to convert KMZ to GDB
There are several methods to convert KMZ files to GDB format. The most reliable and user-friendly approach is to use specialized GIS conversion software. Here are the steps using the recommended tool:
Using GPSBabel
- Download and install GPSBabel from the official website (gpsbabel.org).
- Open GPSBabel.
- In the Input section, select Google Earth (Keyhole) Markup Language (KMZ) as the format and browse to your KMZ file.
- In the Output section, select Garmin MapSource - gdb as the format and choose your output file location.
- Click OK or Convert to start the conversion process.
Alternative: Using online converters
Web-based tools like MyGeodata Converter allow you to upload your KMZ file and download the converted GDB file without installing software. Simply upload your KMZ, select GDB as the output format, and download the result.
Best software for KMZ to GDB conversion
- GPSBabel – Free, open-source, and supports a wide range of GPS file formats.
- MyGeodata Converter – Convenient online tool for quick conversions.
- QGIS – Advanced GIS software that can import KMZ and export GDB via plugins.
Tips for successful conversion
- Ensure your KMZ file contains only supported data types (waypoints, tracks, routes).
- Check the converted GDB file in Garmin BaseCamp or MapSource before using it in the field.
- If you encounter issues, try converting KMZ to GPX first, then GPX to GDB.
Note: This kmz to gdb conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.
Suggested software and links: kmz to gdb converters
Frequently asked questions
Is the KMZ to GDB converter free?
Yes, converting KMZ to GDB on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.
How large can my KMZ file be?
You can upload KMZ files up to 50 MB and convert up to 20 files at once in a single batch.
What happens to my uploaded files?
Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.
Do I need to install any software to convert KMZ to GDB?
No. The KMZ to GDB conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.
Did the conversion fail?
In most cases, the cause is an incorrect file format. Please upload a valid KMZ file for this KMZ to GDB conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.