Why is the same password different every time?

Bcrypt includes a random salt, embedded in the hash itself, so identical passwords produce different hashes.

Is bcrypt still secure?

For most applications, yes. Argon2id is modern and slightly preferred, but bcrypt remains a safe choice.

Bcrypt Generator / Checker

Generate bcrypt hashes with configurable work factor, or check a password against an existing bcrypt hash. Suitable for building or debugging auth systems.

Runs locally in your browser

Password

Cost factor (rounds)12

Cost factor

2^12 = 4,096 rounds

Last hash time

—

Algorithm

bcrypt ($2a$)

Hash Generator

Compute MD5, SHA-1, SHA-256, and SHA-512 hashes.

HMAC Generator

Compute HMAC signatures with a shared secret.

Password Generator

Generate strong random passwords with custom rules.

JWT Debugger

Decode, verify, and edit JWTs with a signing secret.

About Bcrypt Generator / Checker

Generate bcrypt hashes with configurable work factor, or check a password against an existing bcrypt hash. Suitable for building or debugging auth systems.

Bcrypt Generator / Checker is part of FizzKit — a collection of focused, browser-based tools. Because everything runs locally, it works offline once loaded and never exposes your data to a remote server.

Frequently asked questions

12 is a sensible default in 2026. Higher values increase security but also login time. Benchmark on your target hardware.

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