Encoding & Security
12 toolsFree online encoding & security tools — all fully client-side, no sign-up required.
Base64 Encoder/Decoder
Encode or decode Base64 strings.
Base64 encoderBase64 decoderBase64 encode
URL Encoder/Decoder
Percent-encode or decode URLs.
URL encoderURL decoderpercent encode
SHA-256 Hash Generator
Generate secure hashes.
SHA-256 generatorSHA256 hashgenerate hash
Password Strength Tester
Check password strength.
password strength testerpassword checkerpassword security
Password Generator
Generate random passwords.
password generatorrandom passwordstrong password generator
Passphrase Generator
Memorable random passphrases.
passphrase generatormemorable passwordrandom passphrase
ROT13 Cipher
Apply ROT13 rotation cipher.
ROT13ROT13 cipherROT13 encoder
Morse Code Converter
Convert text to and from Morse code.
Morse code convertertext to MorseMorse translator
Base32 Encoder/Decoder
Encode or decode Base32 strings.
Base32 encoderBase32 decoderBase32 encode
XOR Pad Cipher
Encrypt text with XOR cipher.
XOR cipherXOR encryptionXOR decrypt
Binary ↔ Text Converter
Convert text to binary (8-bit) and back.
binary to texttext to binarybinary converter
Password Entropy Estimator
Calculate password entropy in bits.
password entropyentropy calculatorpassword bits