Developer Tools
Formatters, validators, encoders, decoders, generators, and converters — all running entirely in your browser. Nothing you paste here is sent to a server.
Filtered by category "encoding" Clear filter
Encoding (27)
Base64 Encoder
Encode text to Base64.
Base64 Decoder
Decode a Base64 string back to text.
URL Encoder
Percent-encode text for safe use in a URL.
URL Decoder
Decode a percent-encoded URL back to readable text.
Text to Binary
Convert text to binary, or binary back to text.
ASCII to Decimal
Convert text to its decimal ASCII character codes.
Decimal to ASCII
Convert decimal ASCII character codes back to text.
ASCII to Hex
Convert text to its hexadecimal byte representation.
ASCII to Text
Convert ASCII character codes back to readable text.
Text to ASCII
Convert text to its ASCII character codes.
Text to Hex
Convert text to its hexadecimal representation.
Hex to ASCII
Convert hexadecimal byte values back to text.
Hex to Text
Convert hexadecimal byte values back to readable text.
Binary to Decimal
Convert a binary number to decimal.
Binary to Hexadecimal
Convert a binary number to hexadecimal.
Binary to Octal
Convert a binary number to octal.
Decimal to Binary
Convert a decimal number to binary.
Decimal to Hex
Convert a decimal number to hexadecimal.
Decimal to Octal
Convert a decimal number to octal.
Hex to Decimal
Convert a hexadecimal number to decimal.
Hexadecimal to Binary
Convert a hexadecimal number to binary.
Hexadecimal to Octal
Convert a hexadecimal number to octal.
Octal to Hexadecimal
Convert an octal number to hexadecimal.
Word to Number Converter
Convert English number words into a numeral.
Number to Words Converter
Convert a numeral into English number words.
Roman Numeral Converter
Convert numbers to Roman numerals, or Roman numerals back to numbers.
HTML Encoder / Decoder
Encode text to HTML entities, or decode HTML entities back to text.