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Security
Detailed ASN.1 OID Decoder
Decode ASN.1 OID nodes inside DER/PEM automatically resolving known OIDs (commonName, sha256WithRSAEncryption, etc).
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Related Tools
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Password Generator
Generate strong, random passwords with custom length, uppercase letters, numbers and symbols. Generated in the browser โ no data leaves your device.
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Encrypt Text
Apply classic ciphers (Caesar, ROT13, Atbash) or Base64. Useful for puzzles, CTFs and testing โ do not use for real security.
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Password Strength Checker
Check the strength of a password with entropy calculation, common-password check and improvement tips. Runs in your browser โ no data is sent.