Bcrypt Hash Generator Tool
Create secure password hashes for storage in your applications
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Start Free TrialHow to Use the Bcrypt Hash Generator Tool
To create a secure hash, enter your password in the input field, adjust the cost factor if needed, and click "Generate Bcrypt Hash". For verification, click "Verify Password" to toggle the verification section.
Why Bcrypt Hashing Is Essential for Security
Bcrypt is a password hashing function designed to be slow and computationally expensive, making it resistant to brute-force attacks. It includes a salt to protect against rainbow table attacks and allows you to adjust the cost factor as computing power increases over time.
Use Cases in Development Workflows
Bcrypt hashing is perfect for:
- Securing user passwords in web applications and databases
- Implementing secure authentication systems
- Testing password verification routines during development
- Generating hashes for API keys and sensitive identifiers
Understanding Bcrypt Cost Factor
The cost factor (also known as work factor or rounds) determines how computationally intensive the hashing process will be. A higher cost factor increases security but also increases processing time. For most applications, a value between 10-12 provides a good balance.
Frequently Asked Questions
Q. Is this tool privacy-focused?
Yes, all hashing happens client-side in your browser using a JavaScript implementation of bcrypt. Your passwords never leave your device.
Q. Can I recover a password from a bcrypt hash?
No, bcrypt is a one-way function. It's designed to be irreversible - you can only verify if a plaintext password matches a hash, not recover the original password.
Q. What cost factor should I use?
For most applications, a cost factor of 10-12 is recommended in 2024. This balances security and performance. For highly sensitive applications, consider 12-14, but be aware of the increased processing time.
Q. How do bcrypt hashes compare to SHA or MD5?
Unlike SHA or MD5, bcrypt is specifically designed for password hashing. It's slow by design, includes automatic salting, and allows for adjusting the work factor over time as computing power increases.
Q. Why offer an "Optimized" mode?
The optimized mode uses a faster implementation that maintains security while improving performance. It's particularly useful for higher cost factors or when generating multiple hashes.
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