Free Online Hash Generator
SHA-1, SHA-256, SHA-512
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About Hash Generator
Generate SHA-1, SHA-256, and SHA-512 hashes from any text input. Useful for verifying data integrity, generating checksums, and security applications. Computed locally using the Web Crypto API.
How to Use Hash Generator
- 1
Enter your text
Type or paste the text you want to hash.
- 2
View hashes
SHA-1, SHA-256, and SHA-512 hashes are computed instantly.
- 3
Copy the hash
Click copy next to any hash value to use it.
Frequently Asked Questions
Is my data safe?
Yes. All processing happens entirely in your browser. Your data never leaves your device and is never uploaded to any server.
Are these hashes cryptographically secure?
SHA-256 and SHA-512 are considered cryptographically secure for integrity checks. SHA-1 is provided for compatibility but is not recommended for security-critical use.