Md5Checker is a free, faster, lightweight and easy-to-use tool to manage, calculate and verify MD5 checksum of multiple files/folders.Features: • Calculate and display MD5 checksum of multiple files at one time. • Use MD5 checksum to fleetly verify whether files have been changed. • Load, save, add, remove and update MD5 checksum conveniently. • It is less than 300 KB and does not require any installation (portable). What is MD5 checksum? MD5 checksum (MD5 hash) is a type of digests of files. It will become totally different if any modification has been made to the file, even a byte. WhatТ‘s New: • Fix: Accelerators (hot keys) may cause exception if no md5 item is focused in the list view.