Most graphics editors support several (some even dozens) graphics formats, so you can simply re-save *.tga images to *.gif files with them. Both are well supported formats, so there should be no problem.
Convert Truevision TarGA bitmap image to Graphics interchange file format.
We have found 13 software records in our database eligible for .tga to .gif file format conversion.
Microsoft Windows software - convert tga to gif on Windows
One of the best bitmap graphic editing program
Convert from tga file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned tga to gif. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
A presentation graphics application from Corel WordPerfect Office
A multifunctional media converter for Windows
A graphical art and design software
A batch graphics conversion software
A complete image retouching program
A dedicated conversion software
A freeware graphic program
Apple macOS / Mac OS X software - convert tga to gif on OS X
A basic document and image viewer in Mac OS X
Multiplatform software - convert tga to gif on any platform
Cross-platform batch image transcoder compatible with 500 picture image formats
On-line services software - convert tga to gif on web
An online graphics converter and resizer