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Navigation: Home > GTL file

Informations about the GTL filename extension and the file formats associated with it

We collected the information you should know about the .gtl filename on this page. If you were sent a(n) .gtl file in an e-mail, but you don’t know what to do with it, then you can find help here. We strive to suggest free, open-source applications that are available to everyone for the file formats.

1 filename extension(s) are in our database

.gtl - Gerber Top Layer Data

The GTL file is a Data file, which is connected to the Gerber Top Layer Data according to our registry. With the adequate settings, the Gerber Top Layer Data (.gtl) files can be opened or converted with the help of Altium.

Format description:
GTL format
Category:
Data
Application:
Altium
Mime-type:
application/octet-stream
Magic string:
- / -
Aliases:
-
Related links:
-
Related extensions:
.apr
Gerber Aperture Data
.g1
Gerber Inner Routing Layer 1 Data
.gbl
Gerber Bottom Layer Data
.gbo
Gerber Bottom Overlay Data
.gbp
Gerber Bottom Paste Mask Data
.gbs
Gerber Bottom Solder Mask Data

Important! Programs other than the ones listed above may also use the .gtl file extension. Even harmful programs can create files with the .gtl extension to store data in them. Always be careful with .gtl files coming from unknown sources. Don’t open executable files that arrived in mails, even if you know the sender.

The .gtl file can’t be opened on your computer?

If the program necessary for opening the .gtl file is installed properly on your computer, then the quickest and simplest way to open the .gtl file is to double-click on the file’s name. If that doesn’t work, then the right software probably isn’t installed on your computer.

While opening the .gtl file, you may receive an error message from the associated application, this can be caused by the following:

Incorrectly given .gtl extension

The .gtl filename extension can be given incorrectly sometimes. The cause of the error could be a mistake or a simple typo. We found the following incorrectly given filename extensions that are the most frequent in the case of .gtl files.

tl, btl, rtl, htl, gto, gtk, gt, glt, ggl, ttl, ftl, tgl, ntl, gtp, gtm

Maybe you’re not even looking for the .gtl file extension?

It’s possible the the file’s extension was given incorrectly. Below, we list some filename extensions that are similar to the .gtl extension. It’s possible that the one you’re looking for is among them.

.ftl
Family Tree Legends Document
.ntl
D2NT Library
.gto
Gerber Top Overlay Data
.gt
IBM WebSphere sMash Groovy Template
.vtl
Velocity Template Language File
.ftl
FreeMarker Template

Associated applications

The Windows operating system stores information about the applications associated to the file extensions in the registry database. The associations can be queried or modified in the Command Prompt window with the "assoc" command.

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We gladly accept application suggestions, but our primary goal is to suggest reliable, open-source applications that can be freely distributed to the users.

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