A versatile tool for programmers and students to convert numbers between different numeral systems. Supports concurrent conversion: type in one field, and all others update instantly.
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Universal Number Base Converter
Convert numbers between Binary, Decimal, Hexadecimal, and Octal bases in real-time. 100% offline accuracy. Fast, free, and 100% private browser tool.
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About Universal Number Base Converter
1
Enter Number
Type your number into any field (Decimal, Binary, Hex, or Octal).
2
Instant Conversion
The tool automatically converts your input to all other bases instantly.
3
Copy Result
Click the copy icon next to any value to save it to your clipboard.
4
Reset
Use the Reset button to clear all fields and start over.
Key Features
All Bases
Convert between Binary, Octal, Decimal, and Hexadecimal.
Concurrent Conversion
Type in any field and see all others update simultaneously.
Error Checking
Prevents invalid input (e.g., '2' in binary mode).
Developer Tool
Perfect for debugging low-level data and memory addresses.
Frequently Asked Questions
It uses JavaScript's native integer precision. Extremely large numbers might lose precision or require BigInt support (future update).
No, this tool is for numerical values. Use our 'Text to Binary' tool for converting strings.
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