H.265 RAW Video Format
Video Files
mime-type/not-avalible
11/15/2021
If you want to edit HM91 file and not damage it, you should install dedicated software Using tools such as HM91 Online Editors gives less editing possibilities than software adapted to work with the HM91 file format.
The installation of the program that supports the HM91 file does not guarantee that the file can be edited. Additional information about the HM91 file extension can be found here.
This is definitely the surest way. Use any of the programs that support the HM91 file to check if it allows you to edit the file. The most proven method is to download the installer from the developer's website. Links to the websites of software producers can be found on the software subpages. Below you will find some examples of software programs that support the HM91 file (so it is very possible that they can edit files in HM91 format).
The full list of HM91 supporters
Most of the file formats are simply text format saved under a different extension - so you can open them e.g. with Windows Notepad But beware - making manual changes to the HM91 file or another may result in its damage. If you make inappropriate changes and save the file, it may happen that you do not reopen the HM91 file.. By far the safest way is to use file editing programs that works with the HM91 extension.
It seems that one of the software on the list must be able to edit the HM91 files. However, if for some reason you did not find this option, you can try using tools prepared by external websites. Below we found websites that help in editing HM91 files.
Free Online File Edit Service
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