Generate passwords, passphrases and PINs, or explore password strength. Everything runs in your browser.
Local processing · No tracking · No saved passwords
Password strength checker
Enter a password to see the analysis.
Characters
Character groups
Entropy / upper bound (bits)
Generator estimates assume independent uniform choices. The checker cannot know how a password was chosen.
A heuristic is not a security guarantee. The entropy figure is an upper bound, not measured resistance to guessing. No breach database is queried. Use unique passwords and enable multifactor authentication.
Privacy
Passwords and PINs are generated or analyzed in browser memory. This application does not send them to the server, save them, put them in URLs or log them. No advertising, analytics, external scripts, cookies or browser storage are used. Copying explicitly writes to your system clipboard; other software or clipboard history may retain it. Navigation clears the interface. The hosting server can receive ordinary technical request data, such as IP address and requested path; its log policy must be verified by the operator before deployment.
PRIVATE BY DESIGNStronger secrets. Made here.Generate passwords, passphrases and PINs, or explore password strength. Everything runs in your browser.Local processing · No tracking · No saved passwordsAll toolsPassword generatorPassphrase generatorPIN generatorPassword strength checkerPrivacyTermsContactLengthUppercaseLowercaseNumbersSymbolsExclude ambiguous characters (I l 1 O o 0)Word countSeparatorHyphenSpaceDotUnderscoreCapitalize wordsAppend two random digitsGenerateRegenerateCopyCopied to clipboardCopy unavailable. Select and copy the result manually.ShowHideYour resultEntropy / upper bound (bits)Enter a password to analyze locallyClearCharactersCharacter groupsEstimated strengthVery weakWeakFairStrongVery strongFound in the small local common-password list.Repeated characters or blocks detected.Simple keyboard or sequential pattern detected.A heuristic is not a security guarantee. The entropy figure is an upper bound, not measured resistance to guessing. No breach database is queried. Use unique passwords and enable multifactor authentication.Enter a whole number within the displayed range.Select at least one character group.Secure randomness is unavailable. Generation has been stopped.Use at most 4096 characters for local analysis.These tools require JavaScript. Nothing is generated or analyzed without it.Choose 4–128 characters (default 20). Every selected group is included. Ambiguous characters can be excluded. The displayed entropy is an upper bound because group requirements reduce the space of possible outputs.Choose 3–12 independently selected words from a bundled English list. The interface language does not translate the generated words. Capitalization and separators add no randomness. Two optional digits add log₂(100) bits.Choose 4–12 random digits. Leading zeros are preserved. A short PIN needs attempt limits on the service where it is used.A little length goes a long wayLonger randomly chosen secrets have more possibilities. A passphrase combines random words for easier reading; a password uses random characters. We use crypto.getRandomValues and unbiased selection rather than Math.random. Never reuse a secret across accounts.Local English word listwordsPasswords and PINs are generated or analyzed in browser memory. This application does not send them to the server, save them, put them in URLs or log them. No advertising, analytics, external scripts, cookies or browser storage are used. Copying explicitly writes to your system clipboard; other software or clipboard history may retain it. Navigation clears the interface. The hosting server can receive ordinary technical request data, such as IP address and requested path; its log policy must be verified by the operator before deployment.These tools offer random generation and an approximate local analysis. No result guarantees account security or proves that a password has never leaked. You are responsible for choosing, storing and using your secrets securely. This site is not a password manager. Contact us about questions or faults.Questions or a problem with this tool? Email info@xunglee.com. Do not include passwords, PINs or other secrets in your message.Page not foundBack to all toolsSkip to contentLanguageChoose your options, then generate a new secret.Generator estimates assume independent uniform choices. The checker cannot know how a password was chosen.Xunglee · Secrets stay in your browserEnter a password to see the analysis.
