About this Tool
The SHA-256 algorithm generates an almost-unique, fixed-size 256-bit (32-byte) hash. It is the industry standard for cryptographic security, widely used for data integrity verification, password hashing architectures, and blockchain technology. Enter any text string to instantly compute its SHA-256 hexadecimal hash.
Frequently Asked Questions
Can a SHA-256 hash be decrypted back to text?
No. SHA-256 is a one-way cryptographic hash function, not an encryption algorithm. It is mathematically infeasible to reverse the hash back into the original plain text.
Will the same text always generate the same hash?
Yes. SHA-256 is deterministic. Identical inputs will always produce the exact same hash output, which is why it is perfect for verifying file integrity or comparing passwords.