HashMyFiles a freeware tool to compare file content using MD5, SHA1 and CRC32 Video
This is a quick look at HashMyFiles, an excellent freeware tool that will display a unique MD5, SHA1 or CRC32 hash from your files.
This is very handy when you want to compare the exact content of some files. It has a handy drag and drop interface and is pretty quick at generating the hashes. You can also copy or export the hashes to a text/html/xml file and there is an option to enable the utility as a contextual menu. The tool does not require installation.
In the video I mention being able to determine a file is exact, but of course this unique hash could be faked; from a security perspective MD5 is less secure that SHA1 due to the length of the hash but as with everything online always scan files for viruses and malware to be certain.
You can download HashMyFiles here http://www.nirsoft.net/utils/hash_my_files.html (scroll towards the bottom of the page).
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