Recommend to me a md5 checksum program

[QuantumComputers]

Can someone recommend to me a good md5 checksum program to check download integrity?

 

[Cromewell]

http://mdhashtool.mozdev.org/installation.html This can check them right from firefox.

 

[QuantumComputers]

that sounds too good to be true, but it is not compatible with firefox 3

 

[QuantumComputers]

m5d hasher plugin works well