SHA-256 Tools: Collision Finder & Calculator (Custom IV Added)

SHA-256 Calculator (Single Block)

Enter 16 hexadecimal block values (8 characters each) separated by spaces (defaults to random if empty):

Enter 8 hexadecimal IV values (8 characters each) separated by spaces (optional, used by some tools):

Calculator results will appear here...

Attempts to find collisions removing the compression function. Extremely unlikely to succeed for full SHA-256.

Finder output will appear here...