Browser Password and Passphrase Generator Audit
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ABEFGHIJKLMNOPQRSTUVWXYZ
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ScoreName/LinkLicenseGeneratorTypeCRNGUniformHTTPSEntropyMobileTrackersSRINotes
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10Aaron ToponceOpen SourceClientRandomYesYesYes70YesNoYesFull disclosure- personal generator.
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9Grégory PaulOpen SourceClient
Deterministic
YesYesYes101YesNoN/AChoice of scrypt or Argon2. Unless provided, static salt.
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9LessPassOpen SourceClient
Deterministic
YesYesYes104YesNoN/A
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8ClavemOpen SourceClient
Deterministic
YesYesYes128YesNoNo
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8Dave CassettariOpen SourceClient
Deterministic
NoYesYes256YesNoN/AUses the British pound symbol "£" as possible output
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8Generate Password 2017Open SourceClientRandomNoNoYes95YesNoN/A
The landing page of https://addons.mozilla.org/en-US/firefox/addon/generate-password/. Claims MPL v2.0
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8Get VaultOpen SourceClient
Deterministic
NoYesYes130YesNoN/A
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8Maarten BillemontOpen SourceClient
Deterministic
YesYesYes49YesNoN/AComputationally intensive. Sort of mobile, but too intensive on modern phones.
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8MasterPassXOpen SourceClient
Deterministic
YesYesYes48YesNoN/A
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8One Shall PassOpen SourceClient
Deterministic
NoYesYes72YesNoN/ASee also passphrase version.
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8Pain-free PasswordsOpen SourceClient
Deterministic
YesYesYes101NoNoN/A
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8RoboFormProprietaryClientRandomYesYesYes88YesYesN/Ahttps://twitter.com/AaronToponce/status/981193129280745473
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8SS64 (15 characters)Open SourceClient
Deterministic
NoYesYes90YesNoN/A
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8SS64 (20 characters)Open SourceClient
Deterministic
NoYesYes120YesNoN/ABased on SHA-256. 20 character version
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8SSH Communications SecurityProprietaryClientRandomYesYesYes96YesYesYes
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8Strong Password GeneratorProprietaryClientRandomYesYesYes98YesYesN/A
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8vPassOpen SourceClient
Deterministic
NoYesYes74YesNoN/AUI is wonky. Must refresh page for each password.
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7.5SS64 (10 characters)Open SourceClient
Deterministic
NoYesYes60YesNoN/ABased on SHA-1. 10 character version
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7.5Stanford PwdHashOpen SourceClient
Deterministic
NoYesYes60YesNoN/A
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7.5Stephen OstermillerProprietaryClientRandomYesNoYes66YesNoN/A
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7Alan KarpOpen SourceClient
Deterministic
NoYesYes70NoNoN/A
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7Amit AgarwalOpen SourceClient
Deterministic
YesYesYes32YesNoNoMinimum entropy is 25-bits with 4 characters.
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7Chen YufeiOpen SourceClient
Deterministic
NoYes
Not Default
96YesNoN/AFork of One Shall Pass
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7DuckDuckGoOpen SourceServerRandomYesNoYes48YesNoN/A
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7Hasło WygasłoOpen SourceClient
Deterministic
NoYesYes90YesYesN/A
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7Michael MeiselOpen SourceClient
Deterministic
NoNoYes98YesNoN/A
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7Michal SukupčákOpen SourceClient
Deterministic
NoYes
Not Default
192YesNoN/A
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7Pass ComboOpen SourceClient
Deterministic
NoYesYes90YesYesN/A
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7Tim StampProprietaryClientRandomYesNoYes203YesNoNoEntropy from smallest pw.
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6.5Pass IDProprietaryClient
Deterministic
NoYesYes63YesNoN/A
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6Intuitive PasswordProprietaryClientRandomNoNoYes119YesYesN/AAlso a browser password manager, but generator is outside the management app.
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6LunixPwnProprietaryClientRandomNoNoYes340YesNoNoAccount Suspended. Offline.
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6Nic Wolff (current)ProprietaryClient
Deterministic
NoYesNo78YesNoN/ABased on SHA-1.
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6PassCodesProprietaryServerRandomYesUnknownYes131YesYesN/AAd blocker blocker prevents you from using the site. Claims quantum random.
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6Passwd RocksProprietaryServerRandomUnknownUnknownYes95YesNoN/AHas a few different endpoints for password generation. Useful for scripts.
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6Sérgio Dinis LopesProprietaryClient
Deterministic
NoYesNo80YesNoN/ADeterministic domain-based generator. SHA-1 output is raw binary bytes.
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6Single PassProprietaryClient
Deterministic
NoYesYes95YesYesN/A
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6ThycoticProprietaryClientRandomYesNoYes72YesYesNoAnnoying sales chat popup if you stay on the site long enough.
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6Tom Van VleckOpen SourceClientRandomNoUnknownNo36YesNoN/A
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5.5Knut AhlersOpen SourceServerRandomNoNoYes65YesNoNo
Overly restricts what the password can be with filtering rules. Entropy is an estimation from zxcvbn.js.
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5.5Remko TronçonProprietaryClientRandomYesUnknownYes64YesYesNo
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5CNILOpen SourceClient
Deterministic
NoYesYes31YesYesNo
Converts a phrase by using the first character of each word. Entropy based on 2.62 bits per word.
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5DeadboltOpen SourceClient
Deterministic
NoYesNo92YesYesNoDoesn't actually use a randomness function
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5Gibson Research CorporationProprietaryServerRandomUnknownUnknownYes256NoNoN/A
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5Nex-TechProprietaryClientRandomNoNoYes26YesYesN/A
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5Nic Wolf (MD5 hex)ProprietaryClient
Deterministic
NoYesNo32YesNoN/A
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5Nic Wolff (SHA-1 1a)ProprietaryClient
Deterministic
NoYesNo48YesNoN/A
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5Nic Wolff (SHA-1)ProprietaryClient
Deterministic
NoYesNo48YesNoN/A
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5Oleg EterevskyOpen SourceClient
Deterministic
NoYesNo52YesYesN/A
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5Passwds NinjaOpen SourceClientRandomNoNoYes28YesYesNoHTTP->HTTPS redirect, but no supported cipher suite available.
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5PWGenProprietaryClientRandomNoNoYes72NoYesN/A
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5
Strong Random Password Generator
ProprietaryClientRandomNoNo
Not Default
100NoNoN/AToo many knobs, switches, and buttons. Confusing UX.
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4.5Bruce GuenterProprietaryServerRandomUnknownUnknownYes69NoNoN/A
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4.5Erik HeuschProprietaryClientRandomNoNoYes64NoYesN/AOther randomness functions on the site
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4.5LastPassProprietaryClientRandomUnknownUnknownYes62YesYesNoUX may be a bit intimidating.
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4.5Neal AgarwalProprietaryClientRandomNoNoYes55YesYesNoEmoji generator. Use with caution.
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4.5Password ChameleonProprietaryClient
Deterministic
NoYesYes60NoYesN/A
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4DalenryderProprietaryClientRandomNoNoNo47YesNoNo
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4DashlaneProprietaryServerRandomUnknownUnknownYes104YesYesNo
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4HyperioneProprietaryClientRandomNoNoYes41YesYesNoRussian language page.
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4Iconic PasswordsProprietaryClient
Deterministic
NoYesYes34YesYesNo
Not desktop friendly. Best viewed on mobile devices. Browser extensions and mobile OS apps available.
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4Jordan WiensProprietaryClient
Deterministic
NoYes
Not Default
32NoNoN/ACSS is broken
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4MSD ServicesProprietaryServerRandomUnknownUnknownYes49YesYesYes
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4Ravina VermaProprietaryClientRandomNoNoNo34YesYesN/A
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4Robert AccetturaProprietaryServerRandomUnknownUnknownYes35YesYesN/A
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4SecureSafe ProProprietaryServerRandomUnknownUnknownYes95YesYesNo
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4Tyler AkinsProprietaryClientRandomNoYesNo33NoYesN/ANot mobile-friendly with mouse-based entropy.
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4Wight Hat, Ltd.ProprietaryClientRandomNoNoNo98YesYesNoHas QR Code for sending password to mobile device.
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3.5Free Password GeneratorProprietaryClientRandomNoNoNo58NoYesN/A
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3APG OnlineProprietaryServerRandomUnknownUnknownNo45NoNoN/A
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3GaiJinProprietaryServerRandomUnknownUnknownYes37NoYesN/APassword format: VcvcvcvcvNNN, without [BCcDFHJjKLMNPQqRSTVWXxYyZz]
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3HashapassProprietaryClient
Deterministic
NoUnknownNo48YesYesN/A
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3Jon WinstanleyProprietaryClient
Deterministic
NoUnknownNo32YesYesN/ADoes not display fonts in Firefox. UI is really strange. Entropy from smallest pw.
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3MaordProprietaryServerRandomUnknownUnknownYes77NoYesNo
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3Password BossProprietaryServerRandomUnknownUnknownYes49YesYesNo
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3Password DogProprietaryClient
Deterministic
NoNoYes40YesYesNoUses cookies.
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3Stefan FreiProprietaryServerRandomUnknownUnknownNo98NoYesN/A
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3Tony LieuallenProprietaryClientRandomNoNoYes14NoYesNo
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2.5The BitmillProprietaryClientRandomNoNoNo65NoYesNo
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2Adam FarrarProprietaryServerRandomUnknownUnknownNo33NoYesN/A
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2DinoPassProprietaryServerRandomUnknownUnknownNo28YesYesNo
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2DomainDiagnosisProprietaryServerRandomUnknownUnknownYes41NoYesNo
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2Free Passwords GeneratorProprietaryServerRandomUnknownUnknownNo31YesYesNo
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2Greg RenzaProprietaryClientRandomNoNoNo31NoYesNo
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2Hugh ChouProprietaryServerRandomUnknownUnknownNo0NoYesN/A0-bits, because the generator is still human-based.
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2Koshevoy DmitryProprietaryServerRandomUnknownUnknownNo40YesYesNoPassword format: LLLDDDUUSL, where "S" is special characters !, $, ., @, #, +.
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2Norton Identity SafeProprietaryServerRandomUnknownUnknownYes40NoYesNoSite gives 404- offline?
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2Random.orgProprietaryServerRandomUnknownUnknownYes25NoYesNoThe TRNG has not been independently tested for bias.
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2Stefan SchollProprietaryServerRandomUnknownUnknownNo26NoYesN/A
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2WebpageFXProprietaryServerRandomUnknownUnknownYes28NoYesNo
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2Whats My IPProprietaryClientRandomNoNoNo40NoYesNo
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