Bcrypt Generator & Verifier
Generate salted Bcrypt password hashes locally with customizable cost factor rounds.
About Bcrypt Generator & Verifier
The Bcrypt Hash Generator & Password Verifier generates salted blowfish password hashes using the adaptive Bcrypt algorithm ($2a$, $2b$, $2y$) with configurable cost work factors (4 to 16 rounds) and real-time password hash verification.
How to Use Bcrypt Generator & Verifier
Step 1
Enter your plaintext password into the generator.
Step 2
Select cost factor work rounds (default: 10).
Step 3
Click "Generate Bcrypt Hash".
Step 4
Copy the resulting $2b$ hash string for your database records.
Practical Use Cases for Bcrypt Generator & Verifier
Database Password Seeding & Migration
Generate production-ready bcrypt password hashes for database user seeding in Node.js, Django, Laravel, Ruby on Rails, and Spring Boot.
Password Hash Verification & Auditing
Test whether a plaintext password matches an existing stored bcrypt hash string without deploying test scripts.
Input & Output Examples
Hashing Password "AdminPass123" with Cost Factor 10
Password: AdminPass123, Cost Factor: 10 Rounds
Hash: $2b$10$N9qo8uLOickgx2ZMRZoMyeIjZAgcfl7p92ldGxad68LJZdL17lhWy
Key Features & Performance
- ✓Generates standard Modular Crypt Format ($2b$) salted bcrypt hashes.
- ✓Adjustable Cost Factor / Work Rounds slider (4 to 14 rounds).
- ✓Built-in Hash Verification tab: Check plaintext password against any bcrypt hash.
- ✓100% Client-Side WebAssembly computation: passwords never transmit over the network.
- ✓1-Click Copy generated bcrypt hash.
Key Terminology & Definitions
Bcrypt Work Factor (Cost)
An exponential parameter (2^cost iterations) that determines how many rounds of key expansion the algorithm performs, protecting against brute-force attacks as hardware gets faster.
Cryptographic Salt
A random 128-bit string generated and stored alongside each password hash to prevent rainbow table attacks.