Encoding & Conversion
Base64, URL, HTML, Unicode and more encoders.
Popular across all categories
All tools A–ZASCII to Text
Convert decimal ASCII codes to text.
Base32 Encode
Encode text to Base32 (RFC 4648).
Base58 Encode
Encode text to Base58 (Bitcoin alphabet).
Base64 Decode
Decode Base64 back to text.
Base64 Encode
Encode text to Base64 (UTF-8 safe).
Base64URL Decode
Decode URL-safe Base64 back to text.
Base64URL Encode
URL-safe Base64 encoding without padding.
Binary to Decimal
Convert binary numbers to decimal.
Binary to Hex
Convert binary numbers to hexadecimal.
Binary to Text
Convert 8-bit binary back to text.
Caesar Cipher
Shift letters by a fixed amount (Caesar cipher).
Decimal to Binary
Convert decimal numbers to binary.
Decimal to Hex
Convert decimal to hexadecimal.
Gray Code to Binary
Convert Gray code to binary.
Hex to Decimal
Convert hexadecimal to decimal.
Hex to Text
Convert hexadecimal bytes back to text.
HTML Decode
Convert HTML entities back to characters.
HTML Encode
Escape special HTML characters to entities.
JSON Escape
Escape a string for use inside JSON.
Morse Code Decoder
Convert Morse code back to text.
Morse Code Encoder
Convert text to Morse code.
NATO Phonetic Alphabet
Spell text using the NATO alphabet.
Rail Fence Cipher
Encrypt/decrypt text with the rail fence cipher.
ROT13 Cipher
Apply the classic ROT13 letter cipher.
Text to ASCII
Convert characters to decimal ASCII codes.
Text to Binary
Convert text to 8-bit binary.
Text to Hex
Convert text to hexadecimal bytes.
Text to Octal
Convert text to octal bytes.
Unicode Escape
Convert non-ASCII chars to \uXXXX escapes.
Unicode Unescape
Convert \uXXXX escapes back to characters.
URL Decode
Decode a percent-encoded string.
URL Encode
Percent-encode a string for URLs.
A1Z26 Decode
Decode A1Z26 numbers back to letters.
A1Z26 Encode
Encode letters to numbers (A=1 ... Z=26).
Ascii85 Decode
Decode Ascii85 back to text.
Ascii85 Encode
Encode text to Ascii85 (Base85).
Atbash Cipher
Reverse the alphabet (Atbash cipher).
Bacon Cipher Decode
Decode Bacon's cipher back to text.
Bacon Cipher Encode
Encode text to Bacon's cipher (A/B).
Base32 Decode
Decode Base32 back to text.
Base36 Decode
Decode Base36 back to text.
Base36 Encode
Encode text to Base36.
Base58 Decode
Decode Base58 back to text.
Binary to Gray Code
Convert binary to Gray code.
Binary to Octal
Convert binary numbers to octal.
Decimal to BCD
Convert decimal to binary-coded decimal.
Decimal to Octal
Convert decimal to octal.
Float to Hex
Convert a float to its IEEE 754 hex.
Hex to Binary
Convert hexadecimal to binary.
Hex to Float
Convert IEEE 754 hex to a float.
Hex to Octal
Convert hexadecimal to octal.
JSON Unescape
Unescape a JSON string.
Netstring Decode
Decode a netstring back to text.
Netstring Encode
Encode text as a netstring.
Octal to Binary
Convert octal numbers to binary.
Octal to Decimal
Convert octal to decimal.
Octal to Hex
Convert octal to hexadecimal.
Octal to Text
Convert octal bytes back to text.
Quoted-Printable Decode
Decode Quoted-Printable text back.
Quoted-Printable Encode
Encode text to Quoted-Printable (MIME).
ROT18 Cipher
Combine ROT13 + ROT5 (letters and digits).
ROT47 Cipher
Apply ROT47 cipher on printable ASCII.
ROT5 Cipher
Shift digits by 5 (ROT5).
ROT8000
Apply the ROT8000 cipher.
Tap Code
Encode text to tap code (Polybius taps).
Text to Braille
Convert text to Braille characters.
UUdecode
Decode UUencode text back.
UUencode
Encode text to UUencode format.
XXdecode
Decode XXencode text back.
XXencode
Encode text to XXencode format.
Z85 Decode
Decode Z85 back to text.
Z85 Encode
Encode text to ZeroMQ Z85.