ASP.NET Web Handler Format
Microsoft
Web Files
mime-type/not-avalible
10/26/2021
If you need to edit the ASHX file, one of the safest methods is to download and install the software dedicated to working with ASHX files. Of course, there are probably ASHX Online Editors available, but none of them will be able to provide such a wide range of available options as dedicated software.
Please note that not every program that supports ASHX will allow you to edit the file. If you want, you can learn more about the ASHX file extension.
This is definitely the surest way. Use any of the programs that support the ASHX file to check if it allows you to edit the 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 ASHX file (so it is very possible that they can edit files in ASHX format).
And here is the full list of programs supporting the ASHX file
Remember that many file types have a text format and you can preview their contents by opening them, for example, with Windows Notepad. But beware - making manual changes to the ASHX file or another may result in its damage. When you save the changes, you may no longer open the ASHX file. By far the safest way is to use file editing programs that works with the ASHX extension.
It seems that one of the software on the list must be able to edit the ASHX 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 ASHX online files.
Free Online File Edit Service
Copy and paste this link anywhere.