Bcrypt Hash Generator (SHA-256 Demo)
Enter a password to generate a SHA-256 hash using the Web Crypto API. Note: This is a simplified demonstration. For production password storage, use server-side bcrypt with proper salting and rounds.
Real bcrypt is computationally intensive and designed to be slow to protect against brute-force attacks. This tool uses SHA-256 for a quick, client-side hashing example.
About Bcrypt Hash Generator
A bcrypt hash generator is an essential tool for developers who need to securely hash passwords before storing them in databases. While this demo uses SHA-256 for client-side demonstration, real bcrypt implementation provides superior security through adaptive hashing and built-in salt generation.
Why Use Password Hashing?
Password hashing is a fundamental security practice that protects user credentials even if your database is compromised. Unlike encryption, hashing is a one-way process that makes it virtually impossible to retrieve the original password from the hash.
Bcrypt vs SHA-256: Understanding the Difference
- Bcrypt: Designed specifically for password hashing with built-in salting and adjustable work factor
- SHA-256: Fast cryptographic hash function, suitable for data integrity but not ideal for passwords alone
- Security: Bcrypt is intentionally slow and resistant to brute-force attacks
- Salting: Bcrypt automatically generates unique salts for each password
Best Practices for Password Security
✅ Do
- Use bcrypt with appropriate cost factor (10-12)
- Implement server-side hashing
- Use unique salts for each password
- Validate password strength
- Implement rate limiting
❌ Don't
- Store passwords in plain text
- Use MD5 or SHA-1 for passwords
- Hash passwords client-side only
- Use the same salt for all passwords
- Ignore password complexity requirements
Common Use Cases
This bcrypt hash generator is perfect for:
- Learning about password hashing concepts
- Testing hash generation for development purposes
- Understanding the difference between various hashing algorithms
- Preparing test data for applications
- Educational demonstrations of cryptographic principles
Implementation Guidelines
For production applications, always implement bcrypt on the server side using established libraries like bcrypt.js (Node.js), bcrypt (Python), or similar packages in your preferred programming language. The cost factor should be adjusted based on your server's capabilities and security requirements.
⚠️ Security Notice
This tool demonstrates hashing concepts using SHA-256 for educational purposes. For actual password storage in production applications, always use proper bcrypt implementation with server-side processing, appropriate cost factors, and secure coding practices.