Hex Encoder

Convert text or binary data into its hexadecimal representation for inspection, debugging, or protocol-level work.

Hex Encoder

Convert text to hexadecimal representation of UTF-8 bytes.

Input Text

Hex Output

About Hex Encoding

Hex encoding converts text to hexadecimal representation of UTF-8 bytes.

Common use cases:

Binary data representation
Cryptographic hash display
Low-level debugging
Color codes and memory addresses

What is Hex Encoding?

Hexadecimal (hex) encoding represents each byte of data as two hexadecimal digits (0–9, A–F), giving a clear, byte-by-byte view of the underlying binary content. Because each byte maps to exactly two characters, the output is always twice the length of the input in bytes.

Hex is the most common way to represent raw binary data in a readable form, and it is universally understood by developers, network engineers, and security researchers alike.

Common Use Cases

Cryptographic Hashes: SHA-256, MD5, and similar hash outputs are conventionally displayed as hex strings (e.g., git commit hashes). Color Codes: Web colors are expressed in hex format (#FF5733) representing red, green, and blue byte values. Network Packet Analysis: Packet payloads are displayed in hex dumps so engineers can inspect individual bytes in protocols. Binary File Inspection: Hex encoding lets you view and verify binary file headers, magic bytes, and raw content without a binary editor.

Tips

Hex output is case-insensitive; both uppercase (FF) and lowercase (ff) are equivalent and widely accepted. The output is always an even number of characters — one pair of hex digits per byte; an odd-length hex string indicates corruption or truncation. Prefix hex strings with 0x in code contexts (e.g., 0xFF) to signal to readers and parsers that the value is hexadecimal.