FileMenu Tools is a free application which lets you customize the context menu of Windows File Explorer.

The main features are the following:

Add some built-in utilities that perform operations on files and folders. These utilities are explained below in more detail.
Add custom commands which run a specific action. The possible actions are the following:
Run external applications
Copy/move to a specific folder
Delete specific file types
Send the selected files as attachments to e-mail recipient(s)
Rename the selected files using a set of rules
Configure the "Send to..." submenu
Enable/disable commands which are added by other applications to the context menu