Encode & Crypto
Base64 Encode / Decode
Encode text to Base64 or decode Base64 to text.
URL Encode / Decode
Percent-encode or decode URL components.
HTML Entity Encode / Decode
Escape or unescape HTML entities.
JWT Decoder
Decode a JWT to view its header and payload.
Hash Generator
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes.
UUID Generator
Generate random UUID v4 identifiers.
Password Generator
Generate strong random passwords with custom rules.
Bcrypt Hash Generator
Hash text with bcrypt at a chosen cost factor.
Base32 Encode / Decode
Encode text to Base32 and decode it back (RFC 4648).
HMAC Generator
Generate an HMAC signature from a message and secret key.
.htpasswd Generator
Generate Apache/Nginx .htpasswd entries.
Caesar Cipher
Encode and decode text with a Caesar shift cipher.
ASCII Code Converter
Convert text to ASCII/Unicode codes and back.
Hex Encode / Decode
Convert text to hexadecimal and back.
Vigenère Cipher
Encode and decode text with a keyword cipher.
Atbash Cipher
Encode and decode text with the Atbash cipher.
Base58 Encode / Decode
Encode and decode text using the Bitcoin Base58 alphabet.
Punycode Converter
Convert internationalized domains between Unicode and ASCII punycode.
Base64URL Encode/Decode
Encode and decode URL-safe Base64 (- and _ instead of +/, no padding) right in your browser.
Unicode Escape Converter
Convert text to \uXXXX unicode escape sequences and back, with full surrogate pair support.
Quoted-Printable Encoder/Decoder
Encode and decode Quoted-Printable (MIME) text with =XX hex escapes and soft line breaks.
CRC32 Checksum Generator
Compute the CRC32 checksum of any text instantly, shown in hex and decimal.
Rail Fence Cipher
Encrypt or decrypt text with the classic zigzag Rail Fence transposition cipher.