Faster calculating and verifying
Uses an optimized algorithm. Faster than most MD5 programs.
Multiple files handling
Can display, process and manage multiple files in a categorized, sortable list view.
Small and installation-free
It is less than 300 KB and does not require any installation.
Convenient to add files and folders
Can add files and folders via Open File dialog, drag and drop or command line.
Enhanced Open File dialog
Can add folders and set corresponding options using this dialog.
Options for adding folders
Can set to include which types of files, exclude which types of files, and whether recurse sub-folders or not.
Can do any operations while adding and checking. For example, adding files, removing md5 items , sorting, etc.
Full management of saved md5 items in MD5 files
Can update, delete saved md5 items in MD5 files conveniently.
Three ways to save
Can save md5 items per folders silently, per files silently, or use Save File dialog to save them to one MD5 file.
Can view all md5 items or view one category of md5 items.
Three types of copy commands
Can copy md5 items into the format you need.
Supports Unicode. And, when open/save MD5 files, user can choose to use a code page other than the current system setting.
Has options to: Associate with MD5 files; Create Program Groups shortcut; Add to Shell context menu; Add to Send To menu.
Integrated Shell commands
Provides two Shell commands: Locate and Properties, to be convenient to locate files and view their properties in Explorer.
Compare MD5 dialog
Only needed if there is no previously saved MD5 file.
Compare MD5 dialog allows user to compare file's current MD5 checksum with input or another file's rather than manually comparison.
MD5 Calculator dialog
Provides an MD5 Calculator dialog to calculate the MD5 hash of specified text.
 Md5 item - A definition used in Md5Checker, consists of a file path, some file properties like size, modified date, and current and saved MD5 hashes.