This Link Generator allows you to create permanent direct download of your Google Drive, Dropbox and OneDrive files. You just need to past your link and hit generate button to get direct download link. (alert-success)
This tool will work only for Google Drive, Dropbox and OneDrive links only.
NOTE This will only work for files that you UPLOAD to Google Drive. It will not work for documents, presentations, etc. created inside Google Drive, OneDrive and Dropbox public folder. If you want to create a direct link to those, first download them to your computer then upload that file back on to Google Drive. (alert-warning)