Free Checksum Verifier (Hash Cecker)

Not quite free this program is Donationware as stated on the homepage never the less its up to you if you want to pay.
(I personally would donate)

The main reason for adding this to my blog is that they are very hard to come across in all windows Operating systems: 2000, XP, Vista, and Seven. This one it supports the following checksum types:

- CRC32,
- MD4,
- MD5,
- SHA1,
- SHA-256,
- SHA-384,
- SHA-512,
- RIPEMD-128,
- RIPEMD-160,
- HAVAL 256,
- TIGER 192.

"Drag and drop" function - all you need to to is to drag a file from Windows Explorer onto the form to calculate selected checksum type

Context menu - optional integration with Explorer context menu with Your custom text and defined selected checksum to calculate

Compare checksums - with other selected checksum

Large files support - with size over 32 GB

Very fast - calculate 4 GB large DVD file/image in 2 minutes using md5 algorithm

Portable version - one-file program, just one executable file

Interface - simple, eye friendly with mini-form available

Keyboard shortcuts - as much handy shortcuts as possible, even for copy and paste checksum from clipboard

Save checksum to file - checksum and filename.

History - save all calculated checksums to file.

Additional settings - stay-on-top, save windows position and last used checksum type, show mini-form, show hashes in upper or lowercase, break function, high contrast themes support, log file, snap to edge - all are configurable.

Frequent updates - new releases even a week

Donationware - it's free of spyware to make it clear software, but donations are welcome to support further improvements.

Vision difficulties - this application provides support for users with vision difficulties (vision impairment) - respects Windows skins and color schemas.

Please visit the download page here
(where you will also find a Donation button)