DevKit4You/Base Converter

Number Base Converter

Convert numbers between Binary (2), Octal (8), Decimal (10) and Hexadecimal (16) instantly. Custom bases 2–36 supported.

Input Base
Decimal Input
🔢
Binary (Base 2)
Used in all digital electronics and programming. Each digit is a single bit — 0 or 1.
🔟
Hexadecimal (Base 16)
Compact binary representation. 2 hex digits = 1 byte. Used in colors, addresses, hashes.
8️⃣
Octal (Base 8)
Historically used in Unix file permissions (chmod 755). Each digit represents 3 bits.
🔡
Custom Bases
Bases 2–36 use digits 0–9 and letters A–Z. Base 36 is used for short IDs and slugs.
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