Cryptography & Hashes100% In-BrowserFIPS Standard
SHA-256 / SHA-512 Hash Generator
Calculate NIST FIPS 180-4 SHA-256 and SHA-512 cryptographic digests for strings and files.
Real-time processing·No server uploads·Zero telemetry
sha-256-/-sha-512-hash-generator
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Input String
SHA-1 (160-bit)
⚠ Deprecated for cryptographic useComputing…
SHA-256 (256-bit)
Computing…
SHA-512 (512-bit)
Computing…
Comparison Table
| Algorithm | Output Size | Security Status | Use Case |
|---|---|---|---|
| MD5 | 128 bits | ⛔ Broken | Checksums only |
| SHA-1 | 160 bits | ⚠ Deprecated | Legacy systems |
| SHA-256 | 256 bits | ✅ Secure | Digital signatures, TLS |
| SHA-512 | 512 bits | ✅ Secure | High-security hashing |
| HMAC-SHA256 | 256 bits | ✅ Secure | API authentication |
How to Use SHA-256 / SHA-512 Hash Generator
01
Type or paste your text or drop a local file.
02
Select SHA-256 or SHA-512.
03
Copy the 64 or 128-character hexadecimal hash.
Privacy Guarantee
SHA-256 / SHA-512 Hash Generator runs 100% client-side in your web browser. Your data, passwords, keys, and files are processed using the Web Crypto API and never transmitted to any server. Zero telemetry, zero storage, zero cloud processing.
Frequently Asked Questions
Can SHA-256 be reversed?
No. SHA-256 is a one-way cryptographic hash function designed to be irreversible.
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