Number Base Converter
100% Client-SideSynchronized bidirectional base converter for decimal (base 10), binary (base 2), hex (base 16), and octal (base 8) numbers.
How to Use Number Base Converter
Enter a value into Decimal, Binary, Hexadecimal, or Octal input fields.
Typing in any box instantly translates and updates all other bases.
Click any Copy button to copy that specific base representation.
Key Features & Privacy
Edits in binary, decimal, hex, or octal instantly propagate to all four fields.
Detects illegal digits (such as 2 in binary or G in hex) gracefully.
Handles big integers accurately up to JavaScript safe integer limits.
This tool runs entirely in your local browser runtime. No logs, analytics tracking, or remote server transmissions occur.
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