Online Hex Dump Tool

Free UTF-8 Compatible Hex Dump Tool
Convert any text to hexadecimal bytes and see the ASCII/Unicode representation. Perfect for debugging character encoding issues, analyzing binary data, or learning about UTF-8 encoding. This tool runs entirely in your browser - no data leaves your computer.

🔒 Privacy First

All processing happens in your browser. Load files or enter text - your data never leaves your computer.

🌍 Unicode Support

Full UTF-8 support including emojis, accented characters, and international text.

⚡ Instant Results

Real-time hex dump updates as you type or paste. No button clicks needed!

📱 Mobile Friendly

Works on desktop, tablet, and mobile devices with responsive design.

Enter your text below for instant hex dump:

Output:

Start typing in the text area above to see the hex dump...

How to read the output:
• Address: Shows the byte offset in hexadecimal
• Hex bytes: Each pair of hex digits represents one byte
• ASCII column: Shows the actual characters (dots for non-printable)
• Multi-byte characters: Unicode characters may span multiple bytes

Need help? See this UTF-8 table for character code reference.