WinMD5Free v1.20

Freeware
Vista / Win2k / Win7 / Win95 / Win98 / WinME / WinXP

Description
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As an Internet standard (RFC 1321), MD5 has been used in a wide variety of security applications, and is also commonly used to check the integrity of file, and verify download. WinMD5 is a small and easy tool to calculate md5 hash or checksum for different files (including files larger than 4 GB).

Features:

Supports almost all Windows platforms including Microsoft Windows 95, 98, 2000, Me, XP, 2003, Vista and 7.
Fast and multi-threaded. It can compute a 2 GB file less than 1 minute.
Supports big files larger than 4 GB.
Low resource usage. It uses less than 5 MB RAM.
Don’t require .NET runtime installed. It is a standalone EXE file and the startup is speedy. There are MD5 tools for Windows on the market, but most of them requires .NET runtime and they may take a few seconds to start. This is also the reason I wrote the program.
Supports “Drag & Drop”. You may either select a file, or drag and drop a file to the program window to get the MD5 hash value.
Supports verification of original MD5 value and current MD5 value.
Most important, it is FREE. No spyware or adware bundle.
Small size, an effective and tiny tool for data security.