SHA-256 Hash Generator
Generate SHA-256 hash from any text online for free. Secure browser-side SHA-256 hashing using Web Crypto API.
About this tool
The SHA-256 Hash Generator creates a SHA-256 cryptographic hash from any text input. SHA-256 is part of the SHA-2 family and produces a 256-bit (64 hex character) hash. It is widely used in security applications including SSL certificates, blockchain (Bitcoin), digital signatures, and data integrity verification. Our tool uses the browser's native Web Crypto API for accurate and secure hashing.
How to use SHA-256 Generator
- 1Enter your text: Type or paste the text to hash.
- 2Hash is generated: The SHA-256 hash appears instantly using your browser's Web Crypto API.
- 3Copy the result: Click Copy to copy the 64-character hex hash.
Frequently Asked Questions
What is SHA-256?
SHA-256 is a cryptographic hash function producing a 256-bit hash. It is used in security protocols, digital certificates, and blockchain technology.
Is SHA-256 secure?
SHA-256 is considered cryptographically secure for most applications. No practical collision attacks are known. It is recommended over MD5 and SHA-1.
What is SHA-256 used for?
SHA-256 is used in TLS/SSL certificates, Bitcoin mining, code signing, password hashing (with a proper salt), and data integrity verification.