BLAKE3 Hash Generator

Generate ultra-fast BLAKE3 cryptographic hashes from text, files, or other content with our high-performance online tool

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Ultra-Fast Performance

BLAKE3 is significantly faster than SHA-256, MD5, and even BLAKE2

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Tree Structure

Parallelizable architecture for maximum performance on modern hardware

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Modern Security

256-bit security level with protection against length extension attacks

🔒 Client-Side Processing
All hashing is done in your browser using WebAssembly for maximum performance. Your data never leaves your device.

Text Input

File Upload

Advanced

Enter text to hash

Upload a file to hash

Hash Length (bytes)

Output Format

Your BLAKE3 hash will appear here...

💡 For developers: Generate BLAKE3 hashes with:

b3sum filename

# Generate BLAKE3 hash of a file using b3sum

echo -n "text" | b3sum

# Generate BLAKE3 hash of text using b3sum

cargo install b3sum

# Install b3sum tool (requires Rust)

About BLAKE3 Hash Algorithm

BLAKE3 is a cryptographic hash function that was announced in 2020 as the successor to BLAKE2. It was designed by the same team that created BLAKE2, including Jean-Philippe Aumasson, Samuel Neves, Zooko Wilcox-O'Hearn, and Christian Winnerlein. BLAKE3 is significantly faster than its predecessors while maintaining strong security guarantees.

BLAKE3 Key Innovations

• Tree structure: Enables massive parallelism and incremental verification
• Single algorithm: The same algorithm works for hashing, key derivation, and authentication
• Extensible output: Can produce any number of output bytes, not just 32
• Hardware acceleration: Optimized for SIMD and modern CPU architectures

✅ Security Status: BLAKE3 is considered cryptographically secure and is resistant to all known practical attacks. It provides a 128-bit security level against collision attacks and 256-bit security against preimage and second preimage attacks.

Performance Advantages

BLAKE3 demonstrates remarkable performance improvements over other cryptographic hash functions:

Algorithm	Speed (x SHA-256)	Key Advantage
BLAKE3	~10-20x	Fastest, parallel, extensible
BLAKE2	~3-5x	Fast, well-established
SHA-256	1x	Industry standard
MD5	~2-3x	Legacy speed

Common Uses of BLAKE3

🔐 Cryptographic Applications

Digital signatures, certificate verification, and secure communications where performance matters.

💾 Data Integrity

File verification, backup systems, and data deduplication requiring fast hashing of large files.

🌐 Content Addressing

Distributed systems, peer-to-peer networks, and content-addressable storage.

BLAKE3 vs Other Hash Algorithms

Algorithm	Output Size	Security Status	Performance
BLAKE3	Extensible (default 256 bits)	Secure	Excellent ⭐⭐⭐⭐⭐
BLAKE2	256/512 bits	Secure	Very Good ⭐⭐⭐⭐
SHA-256	256 bits	Secure	Good ⭐⭐⭐
SHA-3	224/256/384/512 bits	Secure	Good ⭐⭐⭐
MD5	128 bits	Broken	Fast but insecure

💡 BLAKE3 is the recommended choice for new applications requiring high-performance cryptographic hashing. It combines the security of the best modern algorithms with unprecedented speed and flexibility.