Developer
SHA256 Hash Generator
Generate secure SHA256 hash from any text. More secure than MD5 for modern applications.
SHA256 Hash (use server-side)
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How It Works
SHA256 produces a 256-bit hash shown as 64-character hex string. Much more secure than MD5 and collision-resistant. Industry standard for file verification and blockchain.
Example
Text: 'hello' β SHA256: 2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824.
Frequently Asked Questions
What is SHA256 used for?
File integrity, blockchain, digital signatures, password hashing with salt, and cryptographic commitments.
How long is SHA256?
Always exactly 64 hexadecimal characters (256 bits) regardless of input size.
Can SHA256 collide?
Theoretically yes, but computationally infeasible. No collision has been found.