SHA-256 Hash Generator
NewGenerate SHA-256 cryptographic hashes from any text input, instantly in your browser using the Web Crypto API. SHA-256 is the industry-standard hash function used in SSL certificates, Bitcoin, digital signatures, and data integrity verification. More secure than MD5, SHA-256 produces a 256-bit hash that is practically impossible to reverse. Free, instant, and no server upload required.
SHA-256 Hash Generator
Generate SHA-256 hashes using the Web Crypto API. 100% client-side.
How to Use SHA-256 Hash Generator
- 1Type or paste your text into the input field
- 2The SHA-256 hash is computed instantly in real-time
- 3Click copy to copy the hex-encoded hash
- 4Compare hashes to verify file integrity
Your Privacy is Protected
SHA-256 Hash Generator runs entirely in your browser. Your files and data are never uploaded to any server, never stored, and never shared. Everything happens locally on your device using secure browser APIs.
Frequently Asked Questions
What is SHA-256?
SHA-256 (Secure Hash Algorithm 256-bit) is a cryptographic hash function that produces a fixed 256-bit output. It is part of the SHA-2 family and is used widely in security applications.
Is SHA-256 reversible?
No. SHA-256 is a one-way function — it is computationally infeasible to reverse a SHA-256 hash to its original input.
How is SHA-256 different from MD5?
SHA-256 is significantly more secure than MD5. It produces a longer hash (256 bits vs 128 bits), is collision-resistant, and is not vulnerable to known attacks that affect MD5.