Online Password Strength Checker

Test how strong your password really is. The tool scores length, character variety and risky patterns locally in your browser — nothing is uploaded.

Tool Features

• Score strength from weak to very strong
• Check length, case, numbers and symbols
• Detect repeated and sequential patterns
• Runs locally, no data leaves your browser
• No registration or software installation

Common Usage

• Test a new account password before saving
• Compare candidate passwords for safety
• Teach good password habits to a team
• Quick check after a data-breach warning