Bcrypt Generator
Generate hashes and verify passwords securely directly in your browser.
Generate Hash
Check Hash Match
About Bcrypt Password Hash Generator & Checker
A vital utility for backend developers to quickly generate and verify Bcrypt password hashes without setting up a server or compromising plaintext passwords. Select custom salt rounds securely online.
How to Use
- 1To generate: Enter your plaintext string and select the cost factor (salt rounds), then click Generate.
- 2To test: Paste a known Bcrypt hash (e.g. $2a$10$...) and type the suspected string. Verification is instant.
- 3The check automatically extracts the embedded salt and verifies if the inputted text matches the algorithmic output.
- 4Easily copy the generated hash output to seed your database or integration tests.
Key Benefits
- 100% Client-Side Processing keeps passwords safe from man-in-the-middle attacks.
- Visual verification lets you instantly know if a hash matches.
- Adjustable rounds (cost factors) let you simulate different security setups and compute times.
What is the Bcrypt Algorithm?
Bcrypt is a highly secure, industry-standard password hashing function based on the Blowfish cipher. Unlike fast algorithms like MD5 or SHA-256, Bcrypt is intentionally slow and computationally expensive. Using a Bcrypt password hash generator allows developers to natively apply a randomized "salt" (a random string appended to the password before hashing) to defend effectively against rainbow table and brute-force attacks.
Why adjust the Salt Rounds (Cost Factor)?
Bcrypt allows developers to define "work factors" or salt rounds (typically 10 to 12). As hardware gets faster, you can increase this number to ensure the hashing timeframe remains slow enough to deter attackers while fast enough for legitimate users logging in. Our verify bcrypt hash online tool allows you to simulate hashes from 4 rounds up to 14 rounds seamlessly, operating entirely via client-side WebAssembly and JS logic for absolute security.