Number Base Converter
Convert numbers between Binary, Octal, Decimal, and Hexadecimal instantly.
Pro Tip: Minify, format, and parse code locally without exposing confidential tokens.
How It Works
Convert any number between the four main number systems: Binary (base 2), Octal (base 8), Decimal (base 10), and Hexadecimal (base 16). Supports large numbers and signed representation.
01
Enter a number
Type in any base (binary, decimal, hex, or octal).
02
View all bases
All equivalent values shown immediately.
03
Copy desired value
Click any value to copy it.
Key Features & Capabilities
Binary ↔ Octal ↔ Decimal ↔ Hex
Bit-length display (8, 16, 32-bit)
Large number support
Instant live conversion
Copy all formats
Frequently Asked Questions
Hexadecimal is used in programming to represent memory addresses, colors (#FF5733), and binary data in a more readable form.
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