🔢 Number Base Converter

Convert between binary, octal, decimal, hex & custom bases (2–36)

Input

Invalid input for the selected base.

Results

BIN (2)
OCT (8)
DEC (10)
HEX (16)

Custom Base

Prefixed Formats

C/JS Hex
C/JS Oct
C/JS Bin
Python Hex

Supports integers up to JavaScript's safe integer limit (2⁵³ − 1). For bases > 10, letters A–Z represent digits 10–35. Input is case-insensitive.

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