Bcrypt Hash & Verify
Generate and verify bcrypt password hashes with a tunable cost factor. Free, private, runs in your browser.
Cost factor10
fast (dev)slow (prod)
Bcrypt hash
—bcrypt is a deliberately slow password-hashing function. Cost N means 2N internal iterations — every +1 doubles the time. 10–12 is typical for production logins; 4–6 only for development fixtures.
The salt is embedded in the hash — store the whole string, including the cost prefix.