Hex Encode
Encode text to and from Hex format. Free, fast, and secure Hex encoder. 100% client-side processing, no server upload.
Input
What is Hex Encode?
Hexadecimal (Hex) encoding represents binary data using base-16 notation with characters 0-9 and A-F. Each byte is represented by exactly two hexadecimal digits, making it straightforward to read and debug. It's the most common way to display raw binary data in a human-readable format.
How to Use Hex Encode
1. Enter or paste your text into the input field. 2. The Hex encoded result appears instantly in the output field. 3. Click "Copy" to copy the encoded text to your clipboard. 4. Use "Clear" to reset and start over.
When to Use Hex Encode
Use Hex encoding when debugging binary data, displaying hash outputs, showing color codes, or inspecting memory dumps and raw file contents.
How Hex Encode Works
Each byte (8 bits) is split into two 4-bit nibbles. Each nibble (0-15) is represented by a single hex character (0-9, A-F). For example, byte 255 becomes "FF", and byte 0 becomes "00". This doubles the data size but maintains a 1:1 byte-to-representation ratio.
Common Use Cases
- Debugging binary data
- Color codes in CSS/HTML
- Memory addresses
- Hash digest display (MD5, SHA)
- MAC addresses
- Binary file viewers/editors
- Character encoding inspection
FAQs
1 What is Hex used for?
Hex is primarily used for debugging binary data, color codes in css/html, and many other applications where hex encoding is needed.
2 Is Hex secure?
Hex is an encoding method, not encryption. It provides no security and can be easily reversed.
3 Is this tool safe to use?
Yes! All encodeing happens in your browser. Your data never leaves your device and is not sent to any server.