Number Base Converter
Convert between binary, octal, decimal, and hexadecimal in real time with high precision integer support.
Additional Properties & Insights
Quick Reference Guide (0 to 15)
Common values mapped across decimal, hexadecimal, binary, and octal numbering systems.
| Decimal (Base 10) | Hex (Base 16) | Binary (Base 2) | Octal (Base 8) |
|---|---|---|---|
| 0 | 0 | 0000 | 0 |
| 1 | 1 | 0001 | 1 |
| 2 | 2 | 0010 | 2 |
| 3 | 3 | 0011 | 3 |
| 4 | 4 | 0100 | 4 |
| 5 | 5 | 0101 | 5 |
| 6 | 6 | 0110 | 6 |
| 7 | 7 | 0111 | 7 |
| 8 | 8 | 1000 | 10 |
| 9 | 9 | 1001 | 11 |
| 10 | A | 1010 | 12 |
| 11 | B | 1011 | 13 |
| 12 | C | 1100 | 14 |
| 13 | D | 1101 | 15 |
| 14 | E | 1110 | 16 |
| 15 | F | 1111 | 17 |
Why Use Our Number Base Converter?
Comprehensive breakdown of features designed to make numeral system conversions and bitwise analysis fast and effortless.
Converting between number bases is a foundational task in computer science, digital logic design, and low-level programming. Whether you are debugging memory addresses in hexadecimal, examining permission masks in octal, or checking bit flags in binary, manual conversions are tedious and prone to human error.
Our Number Base Converter provides instant, bidirectional conversion across all standard numbering systems simultaneously. Built with arbitrary-precision BigInt arithmetic, it handles everything from tiny flags to massive integers with absolute accuracy right inside your web browser.
Bidirectional Live Conversion
Type into any base input field and watch all other bases update instantly without needing to click submit buttons.
Arbitrary Precision Integers
Leverages modern JavaScript BigInt parsing to eliminate floating-point precision loss on large numbers.
100% Client-Side Processing
All conversion calculations execute entirely within your web browser. No data is ever transmitted or stored externally.
Smart Error Validation
Instantly detects invalid digit entries (such as typing '9' in binary or octal fields) and flags them with clear notifications.
Quick Copy Actions
Convenient copy buttons attached to every base block let you copy converted strings to your clipboard instantly.
Bitwise Insights & ASCII
Provides extra analytical data including bit length, parity checks, and standard ASCII character mappings.