Hex to Text Converter
Bidirectional text ↔ hexadecimal conversion in your browser.
What it's for
Text to hexadecimal without complexity
Universal usage
Hex is the standard in web development (CSS colors), networking (MAC addresses), and low-level debugging.
100% private
Your text and data are processed exclusively in your browser. Nothing is transmitted to external servers.
Guaranteed precision
Each byte is converted to its exact hexadecimal value per the UTF-8 standard without loss.
Instant
The hex representation appears in real time. No waiting, no server processing.
How it works
Three steps, no hassle
Choose the direction
Select whether you are converting from text to hex or from hex to text using the mode selector.
Enter your content
Type or paste your text or hex string. The result appears in real time in the output panel.
Copy the result
Copy the hexadecimal representation or decoded text to clipboard with one click.
FAQ
Got questions?
The hexadecimal system uses base 16, with digits 0-9 and letters A-F (where A=10, B=11, ..., F=15). Each text character is converted to its ASCII/Unicode numeric value and then expressed as two hexadecimal digits. For example, 'A' is 41 in hex because its ASCII value is 65 (4×16 + 1 = 65).
Hexadecimal is far more compact than binary: what requires 8 binary digits (01000001) is represented with just 2 hex digits (41). This makes it much more practical for humans to read and work with byte-level values, such as memory addresses, data dumps, or CSS color values.
Web colors are expressed in hex (#FF5733), network MAC addresses use hex (AA:BB:CC:DD:EE:FF), memory dumps for debugging and forensic analysis use hex, hex editors display binary file contents in hex, and byte values in network protocols are typically expressed in hexadecimal notation.
In C, JavaScript, Python and most languages, hex literals are prefixed with 0x (e.g. 0xFF = 255). In CSS, colors use # as a prefix. In bash and shell scripts, \x followed by the hex code can be used to escape characters. Hex is ubiquitous in low-level programming and embedded development.
All three are ways of representing binary data as readable text. Hex (base 16) is the most compact for byte-by-byte human inspection. Base64 (base 64) is more space-efficient for data transmission (3 bytes → 4 characters). Binary (base 2) is the most fundamental representation but the least compact. Conversion between them is mathematically trivial.
Hex to text: history of the hexadecimal system and its applications
The hexadecimal system has its roots in the practical need to represent binary data compactly. Although base-16 systems have been known since the 17th century, their mass adoption in computing came with the 8-bit computer architecture of the 1970s and 80s. IBM popularized hex in memory management and registers on its mainframes, and the standard spread throughout the industry.
In modern web development, hexadecimal is omnipresent: CSS colors (#RRGGBB) are one of the most visible uses. Each color component (red, green, blue) ranges from 0 to 255, which is perfectly expressed with two hex digits (00 to FF). Code editors automatically highlight hex color values, and tools like the Chrome DevTools color picker work natively with hex.
In digital forensics and cybersecurity, hexadecimal is the fundamental working language. Hex editors like HxD or Hex Fiend allow examining any file at the byte level, which is essential for analyzing malware, recovering corrupted files, understanding proprietary binary formats, or studying software vulnerabilities. The ability to read hex fluently is a valued skill in the field of computer security.