Free online hexadecimal translator. Convert text to hex and back, hex to decimal and decimal to hex. Choose space, comma, 0x prefix, or no separator. Pure frontend processing — no data uploaded to servers.
1. Select conversion mode (Text↔Hex or Hex↔Decimal)
2. Enter content in the input field
3. Results appear automatically in real-time
4. Copy or download the results
Network packet captures display data in hex. Developers convert hex to readable text to analyze protocol content.
CSS colors use hex notation (e.g., #FF5733F51B5). Designers and developers frequently convert between color formats.
Security researchers analyzing binary files need to convert hex data to readable text or decimal values.
Hexadecimal (base-16) uses 0-9 and A-F. Widely used in computer science because one hex digit represents exactly 4 binary bits, making binary data compact and readable. Common applications: memory addresses (0x7FFF), color codes (#FF0000), Unicode code points (U+4E2D), MAC addresses.
A base-16 number system using 0-9 and A-F. Commonly used in programming as a compact representation of binary data.
Decimal uses 0-9 (base 10), hex uses 0-9 and A-F (base 16). In hex, A B C D E F = 10 11 12 13 14 15.
Hex is a compact representation of binary. Every 4 binary bits map to 1 hex digit.
0x is the standard prefix for hex numbers in programming. E.g., 0xFF = 255 in decimal.