Encryption & Hashing (37 tools)
MD5, Base64, AES, URL encoding and hash digests
#MD5 Hash GeneratorTurn text into a 32 or 16 character MD5 digest.⛓SHA Hash GeneratorGenerate SHA-1, SHA-256 and SHA-512 digests in one go.ⒷBase64 Encoder & DecoderEncode text to Base64 or decode it back.%URL Encoder & DecoderPercent-encode text or decode it back.01Number Base ConverterConvert between binary, octal, decimal and hex live.⬡Hex to Text ConverterConvert between text and hexadecimal.AzASCII Code ConverterConvert between characters and ASCII codes in three bases.⌸UTF-8 EncoderInspect UTF-8 bytes and Unicode escapes for your text.u4Unicode Escape ConverterConvert between text, Unicode escapes and HTML entities.🔑Password GeneratorCreate strong random passwords with custom rules.🔒Text Encrypt & DecryptEncrypt text with a passphrase or restore it.⚿JWT DecoderDecode JWT header and payload with expiry check.🛡Password Strength CheckerScore password strength with improvement advice.⧉UUID GeneratorBulk generate UUID v4 or v7 identifiers.⛨File Hash CheckerCompute file digests for integrity checks.🔏HMAC GeneratorGenerate HMAC signatures with a secret key.✔CRC32 ChecksumCompute CRC32 checksums for text or files.🔑PKCE GeneratorGenerate PKCE verifier and challenge pairs.📏Hash Length ReferenceList digest lengths for common hash algorithms.📻NATO Phonetic AlphabetConvert text into the NATO spelling alphabet.⚿Classic CiphersApply ROT13 and Atbash both ways.32Base32 EncoderEncode and decode Base32 per RFC 4648.😀Emoji EncoderConvert emoji to code points or HTML entities.⇋Base85 & ASCII85 CodecConvert between Base85 and plain text both ways.📧UUencode & XXencodeRun UUencode and XXencode both ways.🛡Fernet-style EncryptionSymmetric encryption with a tamper check.🗝NTLM Hash CalculatorCompute a Windows NTLM hash.🧮All Hashes at OnceGet every hash value in one go.💳Card Number Validator (Luhn)Check whether a card number is valid.🛡Passphrase Strength AdvisorCheck whether a passphrase is strong.🔐htpasswd GeneratorBuild .htpasswd lines for basic auth.🌐Punycode ConverterUnicode domain ⇄ Punycode.🔑RSA Encrypt / DecryptRSA keys, encrypt and decrypt.🔒DES / 3DES CipherDES and 3DES cipher for legacy systems.🌊RC4 CipherRC4 stream cipher.#RIPEMD-160 HashRIPEMD-160 digest.🀄SM2 / SM4 (Chinese Standards)SM2 / SM3 / SM4 notes plus SM3 hash.