HashTab

HashTab screenshots

HashTab provides OS extensions to calculate file hashes
Settings Window
HashTab 5.2 : Settings Window

Alternative downloads

Hash Tool
Find the hash value for a file, quickly and easily.
1.1
FREE
Shell Extension Pack
Displays property page for files compatible with Portable Executable File Format.
2.4
FREE
Free MD5 SHA1 Verifier
It can calculate and verify checksums (hash) of downloaded files.
1.22.20
FREE