Security & Network
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Hash Tools 14
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MD5 Hash GeneratorCompute the MD5 digest of any string.SHA-1 Hash GeneratorCompute the SHA-1 digest of any string.SHA-384 Hash GeneratorCompute the SHA-384 digest of any string.SHA-512 Hash GeneratorCompute the SHA-512 digest of any string.HMAC GeneratorCreate keyed HMAC signatures with SHA-256/384/512.CRC32 ChecksumCalculate the CRC32 checksum of text or files.Adler-32 ChecksumCompute the fast Adler-32 checksum used by zlib.Hash Type IdentifierGuess which algorithm produced a hash from its length, encoding and character set.CRC-16 CalculatorCompute CRC-16 in six variants: CCITT-FALSE, XMODEM, KERMIT, MODBUS, X.25 and DNP.FNV-1a HashCompute the Fowler-Noll-Vo non-cryptographic hash in 32, 64 or 128 bits.MurmurHash3 CalculatorCompute MurmurHash3 x86_32 or x86_128 with a configurable seed.CRC-16/MODBUS CalculatorCompute the CRC-16/MODBUS checksum used by RS-485 and industrial PLC protocols.SnefruSnefru is a cryptographic hash function invented by Ralph Merkle in 1990 while working at Xerox PARC. The function supports 128-bit and 256-bit output. It was named after the Egyptian Pharaoh Sneferu, continuing the tradition of the Khufu a
Cryptography Tools 16
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AES DecryptDecrypt AES-GCM/CBC payloads produced by the AES Encrypt tool.RSA Key Pair GeneratorGenerate 2048/4096-bit RSA keys and export them as JWK.XOR CipherEncrypt or decrypt bytes with a repeating XOR key.RC4 EncryptionClassic RC4 stream cipher — for study and legacy interop.Vigenere CipherPolyalphabetic keyword cipher, encrypt and decrypt.Affine Cipher EncodeThe Affine cipher is a type of monoalphabetic substitution cipher, wherein each letter in an alphabet is mapped to its numeric equivalent, encrypted using simple mathematical function, (ax + b) % 26 , and converted back to a letter.Bifid Cipher DecodeThe Bifid cipher is a cipher which uses a Polybius square in conjunction with transposition, which can be fairly difficult to decipher without knowing the alphabet keyword.Bifid Cipher EncodeThe Bifid cipher is a cipher which uses a Polybius square in conjunction with transposition, which can be fairly difficult to decipher without knowing the alphabet keyword.Cetacean Cipher DecodeDecode Cetacean Cipher input. e.g. EEEEEEEEEeeEeEEEEEEEEEEEEeeEeEEe becomes hiCetacean Cipher EncodeConverts any input into Cetacean Cipher. e.g. hi becomes EEEEEEEEEeeEeEEEEEEEEEEEEeeEeEEeRail Fence Cipher DecodeDecodes Strings that were created using the Rail fence Cipher provided a key and an offsetRail Fence Cipher EncodeEncodes Strings using the Rail fence Cipher provided a key and an offsetSIGABAEncipher/decipher with the WW2 SIGABA machine. SIGABA, otherwise known as ECM Mark II, was used by the United States for message encryption during WW2 up to the 1950s. It was developed in the 1930s by the US Army and Navy, and has up to thiTypexEncipher/decipher with the WW2 Typex machine. Typex was originally built by the British Royal Air Force prior to WW2, and is based on the Enigma machine with some improvements made, including using five rotors with more stepping points and WhirlpoolWhirlpool is a cryptographic hash function designed by Vincent Rijmen (co-creator of AES) and Paulo S. L. M. Barreto, who first described it in 2000. Several variants exist: Whirlpool-0 is the original version released in 2000. Whirlpool-T
Network Tools 7
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Domain RDAP / WHOIS LookupFetch registrar, status and expiry data via RDAP.HTTP Request Headers InspectorSee exactly which headers your client sends.Port Number LookupFind the service behind a port number, or the port behind a service name, with the IANA class.IP Address ExtractorPull every IPv4 address out of a log file, packet capture summary or config dump, deduplicated.URL ExtractorFind and list every http/https URL in unstructured text, one per line, deduplicated.Parse UDPParses a UDP header and payload (if present).
IP Tools 6
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IPv6 Address ExpanderExpand abbreviated IPv6 to the full 8-group form.IPv6 Address CompressorCompress IPv6 to its shortest RFC 5952 form.IP to Decimal ConverterConvert IPv4 addresses to 32-bit integers and back.Decimal to IP ConverterTurn a packed integer back into dotted-quad IPv4.MAC Address ValidatorValidate MAC formats and inspect unicast/multicast and admin bits.
URL Tools 4
Security Tools 12
Strong Password GeneratorCrypto-random passwords with full policy control.JWT DecoderInspect JWT header, payload and signature metadata.
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Passphrase GeneratorDiceware-style memorable passphrases.Password Strength TesterEstimate entropy and crack-time of a password.API Key GeneratorRandom hex / Base64 secrets of any length.Basic Auth Header GeneratorBuild and decode Authorization: Basic headers.Checksum VerifierCompare a file hash against the published digest.Secret ScannerFind leaked API keys, tokens, private keys, JWTs and connection strings in config files, logs or code.PII RedactorMask emails, phone numbers, SSNs, card numbers, IPs, IBANs, MACs and JWTs in logs before sharing them.TOTP Code GeneratorGenerate RFC 6238 time-based one-time passwords from a Base32 secret, with the otpauth URI.JWT Signature VerifierDecode a JWT and verify its HS256 signature locally, with exp/nbf/iat claim checks.To Bech32Bech32 is an encoding scheme primarily used for Bitcoin SegWit addresses (BIP-0173). It uses a 32-character alphabet that excludes easily confused characters (1, b, i, o) and includes a checksum for error detection. Bech32m (BIP-0350) is an