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Open Any File for Hash is the best choice to view various file information and calculate hashes like MD5 or SHA.
After the first run, the application can be easily accessed by right-clicking any file and select the Open Any File for Hash option.
The application will open and it will do the magic showing the information.

It can be used to multiple MD5 or SHA calculations. Simply just click the "Select File(s)" button and by keeping the CMD button pressed you can select the files you want to process and calculate the hashes.