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Bcrypt Hash Generator & Verifier

Generate bcrypt hashes or verify candidate passwords locally.
Local browser processing
Your input is processed only in this browser and is not uploaded, stored, or proxied.
Mode
Generate
Password
Cost factor
Higher costs take exponentially longer and may briefly freeze a low-end device.
Result

What this tool does

Generate a salted bcrypt hash or check whether a candidate password matches an existing hash. No password or result leaves your browser.

How to use it

  1. Paste or enter the content you want to process.
  2. Choose a mode and run the tool.
  3. Review the result and limitations, then copy what you need.

Limitations

Bcrypt is one-way hashing and cannot be decrypted. Inputs beyond 72 UTF-8 bytes may be truncated by the algorithm, and this tool does not check breached passwords.

Related tools

Hash GeneratorPassword Strength Checker

Frequently asked questions

Can a bcrypt hash be decrypted?
No. You can only test whether a candidate password matches the hash.
Does each hash use a new salt?
Yes. Generation creates a fresh random bcrypt salt.
What cost factor is used?
The default is 12. You can choose 4 through 15; higher values take exponentially longer.
Are passwords uploaded?
No. Hashing and verification run in this browser.