What is the SHA-256 hash of "hello"?

Q: What is the SHA-256 hash of "hello"?

The SHA-256 hash of "hello" is "2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824".

SHA-256 Hash of "hello"

SHA-256

2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824

The SHA-256 hash of "hello" is: 2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824

All hash values

SHA-256Recommended2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824

SHA-1aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d

SHA-38459e1748777448c69de6b800d7a33bbfb9ff1b463e44354c3553bcdb9c666fa90125a3c79f90397bdf5f6a13de828684f

SHA-5129b71d224bd62f3785d96d46ad3ea3d73319bfbc2890caadae2dff72519673ca72323c3d99ba5c11d7c7acc6e14b8c5da0c4663475c2e5c3adef46f73bcdec043

⚠️ Do not use SHA-1 for security

SHA-1 is considered cryptographically broken. Use SHA-256 or higher for all security-sensitive applications.

How SHA-256 works

SHA-256 is a cryptographic hash function that produces a fixed 256-bit (64-character hex) output. Even a tiny change in the input produces a completely different hash. It is one-way — you cannot reverse a hash to get the original input.

Common uses for hash functions

Password hashing and storage
File integrity verification
Digital signatures and certificates
Blockchain and cryptocurrency
Data deduplication

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More hash examples

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