MD5校验和（CheckSum）是一个长度为32字节的字符串，
通常用于校验从因特网高低载的文件是否完整或者被损坏。
miniMD5是一款非常小巧的MD5校验和（CheckSum）盘算工具。
当前版本miniMD5-V0.3.3，支撑多文件校验和批处理盘算。
What is it?
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A very simple and small MD5sum checker.
It can process many files in the same box.
How does it work?
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You can drag and drop your file(s) onto this area.
Then click the [Start] button.
Then you will get the MD5 checksum of the files.
What is MD5 used for?
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One of the most common uses is to make sure that a file
that you have downloaded is not corrupt.
Some websites post the MD5 checksum of a file on their
download page.
You can use it to get the MD5 checksum of the downloaded
the file on your computer.
Then make sure whether the two checksums are identical.