MD5 Tool is a System Utilities software developed by Soft Grup Construct SRL. After our trial and test, the software was found to be official, secure and free. Here is the official description for MD5 Tool: You should MD5 Calculator to compute the MD5 hash of files and compare it with the one provided by the creator of that file. If the two hashes match then you are sure that nobody has changed the file on its way to you. This means that it does not contain stuff (like viruses) that the creator does not know about. you can download MD5 Tool free now.