SHA256 Hash

What does this tool do?

SHA-256 Generator instantly computes the 64-character (256-bit) hexadecimal cryptographic digest of any text, right in your browser. It is a far more secure choice than MD5 for modern needs such as integrity verification, digital signatures, blockchain and API security keys.

How to use it

1. Enter the text you want to encode or decode.
2. The conversion happens automatically.
3. Copy the result and use it safely.

What it does

SHA-256 is part of the SHA-2 family and condenses any text into a fixed 64-character digest. It is widely used to verify file integrity, build certificates and digital signatures, secure transactions on blockchains like Bitcoin, and sign webhook or API requests via HMAC. It is collision resistant, which is why it is the default choice for security-critical work where MD5 is no longer acceptable.

Using it correctly

Identical input always produces the identical digest, and even a single extra space or line break changes the result entirely, so make sure the input matches exactly when comparing. Hashing passwords with plain SHA-256 is still discouraged; instead use salted, deliberately slow algorithms like bcrypt or Argon2. SHA-256 shines for integrity checks and signatures rather than credential storage.

Frequently asked questions