Base Converter

Number Bases

• Binary (Base 2): Uses digits 0-1
• Octal (Base 8): Uses digits 0-7
• Decimal (Base 10): Uses digits 0-9
• Hexadecimal (Base 16): Uses 0-9, A-F
• Base 32: Uses A-Z, 2-7
• Base 64: Uses A-Z, a-z, 0-9, +, /

Common Prefixes

• 0b: Binary (e.g., 0b1010)
• 0o: Octal (e.g., 0o12)
• 0x: Hexadecimal (e.g., 0xA)

Use Cases

• Programming: Convert between number systems
• Computer Science: Understand data representation
• Networking: IP addresses, subnet masks
• Cryptography: Hash values, encoding

Tips

• Binary Grouping: Binary shown in 4-bit groups (nibbles)
• Click to Copy: Click any result to copy to clipboard
• Validation: Invalid characters for base are rejected
• Powers of Two: Special significance in computing

Examples

• 255 (decimal): 11111111 (binary), FF (hex)
• 1024 (decimal): 10000000000 (binary), 400 (hex)
• 42 (decimal): 101010 (binary), 2A (hex)