📖 What is this tool?
Hex Encoder/Decoder converts text to hexadecimal representation where each character becomes its two-digit hex code, and decodes hex strings back to readable text. Essential for debugging binary data, network packets and cryptographic outputs.
🛠️ Common Use Cases
- Debug binary data and network packets
- Encode binary content for text transmission
- Decode hex dumps from debugging tools
- Analyze cryptographic hashes and signatures
- Understand color codes in CSS and design
❓ Frequently Asked Questions
What is hexadecimal? ▾
Hexadecimal (base-16) uses digits 0-9 and letters A-F. Each hex digit represents 4 bits, so two hex digits represent one byte (8 bits). It's more compact than binary and easier to read.
Why do developers use hex for colors? ▾
CSS hex colors like #FF5733 represent RGB values — FF=255 red, 57=87 green, 33=51 blue. Hex is compact and maps directly to the 0-255 byte range for each color channel.
What is a hex dump? ▾
A hex dump displays binary file contents in hex format, showing each byte as two hex digits. Debuggers and network analyzers use hex dumps to inspect raw binary data.
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Your data stays private. All processing happens entirely in your browser. Nothing is ever sent to our servers. You can use this tool offline after the page loads.