Hex converter

Convert text to hexadecimal and the other way for any string input.

Conversion: Text ↔ Hex
Type: Encoding

Hex converter

Convert Text & Hexadecimal
Paste text or hex code to convert
Select conversion direction
Key Features
  • Bidirectional conversion
  • Supports ASCII and Unicode
  • Instant conversion
  • One-click copy results
  • No registration required

How to Convert

1
Enter Content

Paste text or hex code

2
Select Type

Choose conversion direction

3
Click Convert

Instant conversion

4
Copy Result

One-click copy

Conversion Examples

Text Hexadecimal Description
Hello 48656c6c6f Basic ASCII text conversion
A 41 Single uppercase letter
123 313233 Numbers as text
@#$ 402324 Special characters
Space 20 Space character representation

Perfect For

Programming

Developers use hex conversion for data encoding, debugging, and working with binary files and protocols.

Cryptography

Security professionals use hex encoding for encryption, hashing, and secure data transmission.

Data Analysis

Data analysts convert between formats for processing, storage, and transmission of information.

Web Development

Web developers work with hex for color codes, character encoding, and URL encoding.

Why Choose Our Tool?

⚡
Instant Conversion

Real-time processing

🔄
Bidirectional

Text ↔ Hex

🎯
Accurate Results

Precise conversion

📋
Easy Copy

One-click copying

📱
Mobile Friendly

Works everywhere

🆓
100% Free

No registration

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Complete Guide to Hex Conversion

What is Hexadecimal?

Hexadecimal (hex) is a base-16 numeral system that uses digits 0-9 and letters A-F to represent values. It's widely used in computing because it can represent binary data more compactly than decimal. Our Hex Converter tool makes it easy to convert between readable text and hexadecimal representation, which is essential for programmers, developers, and anyone working with computer systems.

Why Use Hexadecimal?

  • Compact Representation: Hex represents data more compactly than decimal or binary
  • Binary Mapping: Each hex digit maps to exactly 4 binary bits
  • Debugging: Developers use hex to read and understand binary data
  • Security: Encryption and hashing often use hexadecimal encoding
  • Color Codes: Web colors are specified in hexadecimal (#RRGGBB)
  • Memory Addresses: Computer memory is addressed using hexadecimal

How Hex Conversion Works

Text-to-hex conversion works by taking each character and converting its ASCII value to hexadecimal. For example, 'A' has ASCII value 65, which converts to hex 41. Hex-to-text conversion reverses this process by reading hex pairs and converting them back to ASCII characters. Our tool handles this automatically for all characters, including special symbols and numbers.

Hexadecimal Digit System

Hexadecimal uses 16 digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F. The letter 'A' represents 10, 'B' represents 11, continuing through 'F' which represents 15. This base-16 system allows data to be represented efficiently, with each hex digit representing 4 binary bits. Understanding this relationship is key to working with hexadecimal data.

Common Applications

Web developers use hex for color codes like #FF0000 for red. Programmers use hex to debug binary data and memory contents. Security professionals use hex encoding for cryptographic operations and hashing. System administrators view hex dumps to troubleshoot file corruption or malware. Database administrators use hex for storing and transmitting binary data safely.

Pro Tip: Hexadecimal is often prefixed with "0x" (like 0x48656c6c6f) to indicate it's hex notation. Our tool handles both formats automatically.

Frequently Asked Questions

Decimal uses base-10 (0-9), while hexadecimal uses base-16 (0-9, A-F). Hex is more compact for representing binary data and is commonly used in computing.
Yes! Our converter supports Unicode characters. Each character gets converted to its corresponding hex value based on its Unicode encoding.
Spaces are added for readability, separating each character's hex value. They're optional when converting back to text.
"0x" is a prefix used in programming to indicate that the following number is in hexadecimal notation. Our tool handles it automatically.
Yes! Special characters like @, #, $, and punctuation are all supported and will be converted to their hex equivalents.
Web developers use hex for color codes (#RRGGBB format), URL encoding, and HTML entity encoding.
Yes! Our converter uses standard ASCII/Unicode encoding and produces 100% accurate hexadecimal conversions.
Yes! Our Hex Converter is completely free with no hidden fees, premium features, or registration requirements.

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