Standard library for hashing passwords. Generate secure Bcrypt hashes or verify if a plain-text string matches an existing hash.
About Bcrypt Hash Generator & Verifier
Bcrypt is a password-hashing function designed by Niels Provos and David Mazières in 1999. It is essentially a slow, salted hash function based on the Blowfish cipher. Its primary design goal is to be computationally expensive to slow down brute-force attacks and rainbow table lookups.
Why use Bcrypt?
Adaptive Work Factor: The "cost" or "rounds" can be increased over time as hardware becomes faster, ensuring passwords remain secure against brute-force attempts.
Built-in Salting: Bcrypt automatically handles salting, generating a random salt for each hash to prevent rainbow table attacks.
Security Standard: It is widely considered the industry standard for storing user passwords securely in databases.
How to use this tool
Generate Mode: Enter your plain text password and select the number of salt rounds (default 10). The higher the rounds, the longer it takes to generate.
Compare Mode: Paste an existing Bcrypt hash (starting with $2a$, $2b$, or $2y$) and enter the plain text password to verify if they match.
Privacy First: Like all our tools, this runs 100% in your browser. We never transmit your passwords or hashes to our servers.
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