BLAKE Hash Generator
Calculate BLAKE2b, BLAKE2s and BLAKE3 hash values for text and files. Fast, secure, runs entirely in browser.
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BLAKE Hash Result
About BLAKE Hash Functions
What is BLAKE?
BLAKE is a family of cryptographic hash functions that was one of the five finalists in the NIST hash function competition. BLAKE2 is its improved version, faster than MD5, SHA-1, SHA-2, and SHA-3 while providing at least the same level of security. BLAKE3 is the latest member of the family, offering better performance through parallelization.
BLAKE2 Overview
BLAKE2 has two main variants: BLAKE2b (optimized for 64-bit platforms) and BLAKE2s (optimized for 8 to 32-bit platforms). Both variants support keyed hashing, personalized hashing, and parallel hashing modes.
BLAKE3 Overview
BLAKE3 is a single algorithm that combines the best features of BLAKE2 while providing tree hashing and extensible output capabilities. It is designed for high parallelization and is significantly faster than BLAKE2.
Key Features
- Speed: BLAKE2 is faster than MD5 and SHA series on modern CPUs; BLAKE3 is even faster
- Security: Provides 256-bit security (BLAKE2b-512, BLAKE3)
- Flexibility: Variable output length, optional keys and personalization
- Parallelism: BLAKE3 can utilize multi-core CPUs for large inputs
Common Use Cases
- File integrity verification
- Password hashing (with appropriate key derivation)
- Digital signatures and certificates
- Content addressing in distributed systems
- Random number generation
Algorithm Comparison
| Algorithm | Output Size | Platform | Speed |
|---|---|---|---|
| BLAKE2b | 1-64 bytes | 64-bit | Fast |
| BLAKE2s | 1-32 bytes | 32-bit | Fast |
| BLAKE3 | Variable | All | Fastest |
FAQ
Is BLAKE3 more secure than BLAKE2?
Both BLAKE3 and BLAKE2 provide strong security guarantees. BLAKE3's main advantage is speed and simplicity, not necessarily higher security than BLAKE2.
Should I use BLAKE2b or BLAKE2s?
Use BLAKE2b on 64-bit systems for best performance. Use BLAKE2s on embedded or 32-bit systems for memory and performance-constrained scenarios.
Can I use BLAKE for password hashing?
While BLAKE is a secure hash function, for password hashing you should use specialized algorithms like Argon2, bcrypt, or scrypt, which are designed to be slow and memory-intensive.