PlantUML
SourceForge.net
Misc Files
mime-type/not-avalible
11/11/2021
To edit PLANTUML file, we strongly recommend installing software that works with PLANTUML files. Using tools such as PLANTUML Online Editors gives less editing possibilities than software adapted to work with the PLANTUML file format.
Remember, that not all of the mentioned programs will allow you to edit the PLANTUML file. If you want, you can learn more about the PLANTUML file extension.
This is definitely the surest way. Try to open the PLANTUML file with one of the programs and it will see if you can edit the PLANTUML file. It's safest to download the software from the developer's website. You can find direct links to the creators' websites on the subpages of each application. Below you will find some examples of software programs that support the PLANTUML file (so it is very possible that they can edit files in PLANTUML format).
And here is the full list of programs supporting the PLANTUML file
Most of the file formats are simply text format saved under a different extension - so you can open them e.g. with Windows Notepad However, it's dangerous, you can permanently damage your PLANTUML file. After saving the changes, it may not be possible to reopen the PLANTUML file. It is safest to use software that was created to edit files in the PLANTUML format.
It can definitely be said that any of the list of programs that support the PLANTUML extension should be able to edit the PLANTUML file. Still not resolved your file editing issue? Try other solutions. Below we found websites that help in editing PLANTUML files.
Free Online File Edit Service
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