MD5 Checksum For Mac Publisher's description
Calculates the MD5 checksum for the currently selected files in Finder
MD5 Checksum is a free Automator workflow designed for use as a Finder plugin that will calculate the MD5 checksum for files you select in Finder.
Select file(s) in the Finder. Control-click or right-click and select Automator->MD5 Checksum. The workflow will start and calculate the MD5 checksums for any files you have selected.
The larger the files in question are (in terms of size) the longer it will take to compute the checksums.
Installation: Download the Automator workflow and copy/move workflow file to the ~/Library/Workflows/Applications/Finder folder.
System Requirements:No special requirements.
Program Release Status: Minor Update
Program Install Support: Install and Uninstall