DER Certificate Format
N/A
Web Files
mime-type/not-avalible
11/20/2021
If you want to edit DER file and not damage it, you should install dedicated software Using tools such as DER Online Editors gives less editing possibilities than software adapted to work with the DER file format.
Please note that not every program that supports DER will allow you to edit the file. If you want, you can learn more about the DER file extension.
This is the best way. Try to open the DER file with one of the programs and it will see if you can edit the DER file. You will avoid the danger of virus installation if you download the software from the software developer 's website. You will find links to the software developers' websites on the subpage of each program. Examples of programs cooperating with DER files, which make it possible to edit it.
And here is the full list of programs supporting the DER file
Some file formats are just plain text files that you can open with Notepad. However, it's dangerous, you can permanently damage your DER file. If you make inappropriate changes and save the file, it may happen that you do not reopen the DER file.. For this reason, try to use software created to edit DER files.
It seems that one of the software on the list must be able to edit the DER files. However, if for some reason you did not find this option, you can try using tools prepared by external websites. Below are tools that allow you to edit DER online files.
Free Online File Edit Service
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