Generate a test password hash
Enter a sample password and choose a cost factor to create a bcrypt hash for fixtures, docs, or local authentication tests.
Security tools
Bcrypt Generator
Generate bcrypt hashes and verify passwords against bcrypt hashes locally in your browser.
Generate bcrypt hash
Use sample or test values. Avoid real production passwords.
Input size
15 bytes
Ready to generate a bcrypt hash.
Generated hash will appear here.
Verify bcrypt hash
Compare a password with an existing bcrypt hash.
Paste a bcrypt hash and password to compare.
- Password
- 15 bytes
- Rounds
- 10
- Result
- Not checked
Salt
$2b$10$cCG0H5lX9aeZ7/CQF5qt3e
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About bcrypt
Bcrypt is a slow password hashing algorithm that stores its salt and cost factor inside the hash string. This tool is for test values, examples, and local debugging.
Common uses
- Generate bcrypt hashes for sample passwords
- Verify whether a password matches a bcrypt hash
- Inspect the cost factor and salt embedded in a hash
- Create test fixtures for local authentication flows
Notes
Hashing and verification run in the browser. Avoid pasting real production passwords into any online tool, even browser-local ones.
Examples
Verify an existing hash
Paste a bcrypt hash and a candidate password to check whether they match without sending either value to the server.
FAQ
Does this bcrypt tool upload my password?ShowHide
No. Hash generation and verification run in your browser. Still avoid pasting real production passwords into any online tool.
What cost factor should I use?ShowHide
Cost 10 is a common testing baseline. Higher values are slower and may be more suitable for production systems after measuring your server performance.
Why does the tool warn about 72 bytes?ShowHide
Bcrypt only uses the first 72 bytes of a password input. Longer values are truncated before hashing or comparison.
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