Base16 Encoder/Decoder Online | Hexadecimal Encoding Tool

Online Base16 encoding and decoding tool. Standard hexadecimal encoding per RFC 4648.

Base16 Encoder/Decoder

Instructions

  • Encode text to Base16 (hexadecimal) format
  • Decode Base16 strings back to text
  • Option to output uppercase or lowercase letters

Base16 Knowledge

What is Base16?

Base16 is the standardized name for hexadecimal encoding, defined in RFC 4648. It uses characters 0-9 and A-F to represent data.

Difference from Hex Encoding

Base16 and hexadecimal encoding are essentially the same, but Base16 is the RFC-standardized name, typically using uppercase letters A-F.

Key Features

  • RFC 4648 standardized encoding
  • Each byte represented by 2 characters
  • Case-insensitive decoding

Common Applications

  • Data transmission and storage
  • Debugging and logging
  • Binary data in configuration files
Base16 Encoder/Decoder Online | Hexadecimal Encoding Tool