Keys & secrets
RSA, ECC, Ed25519 and AES keys, API keys, tokens, PEM and SSH.
18 tools · nothing uploaded
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- AES Encrypt & DecryptEncrypt or decrypt text with a password.
- PopularAES Key GeneratorGenerate a random AES-128 or AES-256 key.
- PopularAPI Key GeneratorGenerate API keys with a readable prefix and real entropy behind them.
- PopularBulk Password GeneratorGenerate hundreds of strong passwords at once, with no modulo bias.
- PopularECC Key GeneratorGenerate an elliptic-curve key pair on P-256, P-384 or P-521.
- Ed25519 Key GeneratorGenerate an Ed25519 key pair — short, fast, and hard to misuse.
- HMAC Key GeneratorGenerate an HMAC key at the right length for your hash.
- PopularPassphrase GeneratorGenerate word-based passphrases that are strong and possible to remember.
- PopularPassword Entropy CalculatorMeasure a password in bits and see how long each kind of attack would take.
- PopularPEM DecoderRead a PEM block and see what the bytes inside it are.
- PEM EncoderWrap raw DER bytes into a PEM block with the correct label.
- Random Bytes GeneratorGenerate cryptographically secure random bytes as hex.
- RSA Key GeneratorGenerate an RSA public and private key pair.
- PopularRSA Key Pair GeneratorGenerate an RSA key pair in your browser — the private key never leaves it.
- Secret Key GeneratorGenerate a random secret key for signing tokens and cookies.
- PopularSecure Token GeneratorGenerate URL-safe random tokens for sessions, resets and invitations.
- PopularSSH Fingerprint GeneratorGet the SHA256 and MD5 fingerprints of an SSH public key.
- SSH Public Key DecoderRead the type, size and comment out of an SSH public key.