SHA-3 Hash Generator

Generate secure SHA-3 hashes (SHA-3-224, SHA-3-256, SHA-3-384, SHA-3-512) from text strings, files, or other content types

🔐

Multiple SHA-3 Variants

Generate hashes using SHA-3-224, SHA-3-256, SHA-3-384, or SHA-3-512 algorithms

🛡️

Cryptographically Secure

SHA-3 is the latest secure hash standard by NIST, resistant to known attacks

📋

1-Click Copy

Copy generated hash to clipboard with a single click

🔒 Client-Side Processing
All hashing is done in your browser using JavaScript. Your data never leaves your device, ensuring maximum privacy and security.

Select SHA-3 Algorithm

Text Input

File Upload

Enter text to hash

Upload a file to hash

Your SHA-3 hash will appear here...

💡 For developers: Generate SHA-3 hashes with:

echo -n "text" | openssl dgst -sha3-256

# Generate SHA-3-256 hash of text using OpenSSL

openssl dgst -sha3-512 filename

# Generate SHA-3-512 hash of a file using OpenSSL

About SHA-3 Hash Algorithm

SHA-3 (Secure Hash Algorithm 3) is the latest member of the Secure Hash Algorithm family, developed through a public competition by NIST. Based on the Keccak algorithm, it represents a completely different design from SHA-2 and provides enhanced security against potential attacks.

SHA-3 Hash Characteristics

• Based on sponge construction (Keccak algorithm)
• Completely different design from SHA-1 and SHA-2
• Resistant to length extension attacks
• Flexible output sizes: 224, 256, 384, 512 bits
• NIST standard for secure hashing (FIPS 202)

✅ Security Status: SHA-3 is considered cryptographically secure and is recommended for all security-sensitive applications. It provides strong resistance against collision attacks and other cryptographic vulnerabilities.

SHA-3 Variants Comparison

Algorithm	Output Size	Security Level	Common Uses
SHA-3-224	224 bits (56 hex chars)	112-bit security	Lightweight applications
SHA-3-256	256 bits (64 hex chars)	128-bit security	General purpose, recommended
SHA-3-384	384 bits (96 hex chars)	192-bit security	High security applications
SHA-3-512	512 bits (128 hex chars)	256-bit security	Maximum security, long-term protection

Common Uses of SHA-3

SHA-3 is increasingly being adopted in various security-critical applications:

Application	Usage
Cryptocurrencies	Some blockchain implementations use SHA-3 for transaction verification
Digital Signatures	Secure document signing and verification
Password Storage	Secure hashing of passwords in authentication systems
Data Integrity	Verifying file integrity and detecting corruption
Security Protocols	TLS, SSH, and other security protocols

SHA-3 vs Other Hash Algorithms

Algorithm	Design	Security Status	Performance
SHA-3	Sponge (Keccak)	Secure	Good in hardware, improving in software
SHA-2	Merkle-Damgård	Secure	Excellent in software
SHA-1	Merkle-Damgård	Broken	Fast
MD5	Merkle-Damgård	Cryptographically broken	Very fast
BLAKE2	HAIFA construction	Secure	Very fast in software

💡 For maximum security in new applications, consider using SHA-3-256 or SHA-3-512. SHA-3 provides a completely different cryptographic design from SHA-2, offering protection against potential future attacks on SHA-2.