3GPP Multimedia Format
Third Generation Partnership Project
If you want to edit 3GP file and not damage it, you should install dedicated software There are many tools known as 3GP Online Editors, but it is not certain that they operate in a way that keeps the data contained in the file safe.
Please note that not every program that supports 3GP will allow you to edit the file. Click here for more information on 3GP file extension
This is the best way. Try to open the 3GP file with one of the programs and it will see if you can edit the 3GP file. It's safest to download the software from the developer's website. You will find links to the software developers' websites on the subpage of each program. Below you will find some examples of software programs that support the 3GP file (so it is very possible that they can edit files in 3GP format).
And here is the full list of programs supporting the 3GP file
Remember that many file types have a text format and you can preview their contents by opening them, for example, with Windows Notepad. However, such manual editing of the 3GP file or any other file may result in damage to the file. If you make inappropriate changes and save the file, it may happen that you do not reopen the 3GP file.. For this reason, try to use software created to edit 3GP files.
It can definitely be said that any of the list of programs that support the 3GP extension should be able to edit the 3GP file. Use other options if you still haven't found a way to edit 3GP. Below are tools that allow you to edit 3GP online files.
Free Online File Edit Service
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