비밀번호 강도
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Use these tools directly in Chrome
Install the DailyDevTools extension — access all tools from your browser toolbar
What is Password Strength?
A strong password is long, unpredictable, and avoids common patterns — but 'strong' is hard to define without a scoring system. DailyDevTools' Password Strength Checker evaluates passwords using the zxcvbn algorithm, which estimates crack time based on pattern matching, dictionary attacks, and common password databases — giving you a realistic assessment rather than just checking for uppercase letters.
How to use Password Strength
- 1Type a password into the input field — the strength meter updates in real-time
- 2View the estimated crack time for different attack scenarios (offline fast hash, online throttled)
- 3Read the specific warnings about what makes the password weak (common words, patterns, repeated characters)
- 4Click Suggestions to see specific improvements recommended for your password
Frequently asked questions
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