Text to HEX

Text to HEX Converter — Encode Plain Text to Hexadecimal Online

The Text to HEX Converter is a free online tool that translates any plain text into its hexadecimal representation. Each character in your text gets converted to its underlying byte value and displayed in hex — the standard format programmers, security researchers, and reverse engineers use to inspect raw data. Whether you are encoding passwords for storage tests, preparing data for binary protocols, debugging file formats, or studying character encoding, this tool delivers instant results.

How Text Becomes Hex

Every character in modern text is stored as one or more bytes using an encoding standard — typically UTF-8 for international text or ASCII for basic English. Each byte is an 8-bit number, which displays cleanly as two hex digits (00 to FF). The letter "A" is decimal 65 in ASCII, hex 41. The string "Hi" becomes 48 69. Emoji, accented characters, and non-Latin scripts use multiple bytes per character in UTF-8 — the tool handles this correctly without truncation.

How to Use the Converter

Paste or type your text into the input box, choose your output format (continuous string, space-separated bytes, comma-delimited, or with "0x" prefix per byte), and click Convert. The tool encodes everything entirely in your browser — your text never touches a server, so you can safely process sensitive content. Copy the hex result to the clipboard with one click.

Common Use Cases

Security researchers inspect what a string actually transmits over the wire. Developers debug encoding issues between systems. Reverse engineers prepare patches for binary files. Cryptography students explore how text is represented at the byte level. The tool is free, fast, mobile-friendly, requires no signup, and handles every character set Unicode supports.

Tamer Baghdadi

CEO / Co-Founder