Binary Decimal Hex Converter

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About this app

Convert whole numbers between binary (base 2), octal (base 8), decimal (base 10) and hexadecimal (base 16) with Binary Decimal Hex Converter.

Choose the input base, enter a value with the dedicated keypad, and tap Convert to see BIN, OCT, DEC and HEX results together on one screen. Copy converted values when you need them for coding, study, programming checks, computer science practice or quick number system checks.

Supported number systems:
• Binary / BIN — base 2
• Octal / OCT — base 8
• Decimal / DEC — base 10
• Hexadecimal / HEX — base 16

Features:
• Convert from any supported base to all four formats
• Dedicated keypad for binary, octal, decimal and hexadecimal input
• Display BIN, OCT, DEC and HEX results together
• Copy converted values for easy reuse
• Clear input and start a new conversion quickly
• Supports whole numbers from 0 to 4,294,967,295
• Clean dark interface focused on quick conversion

Useful for:
• Binary to decimal conversion
• Decimal to binary or hexadecimal conversion
• Hexadecimal to decimal conversion
• Octal number conversion
• Programming, computer science and digital logic study

How to use:
1. Select the input base
2. Enter a whole number with the keypad
3. Tap Convert
4. Check BIN, OCT, DEC and HEX on the same screen
5. Copy the result if needed

This app is a simple reference tool that displays conversion results based on the whole number you enter. For important use, please check the converted values before using them.
Updated on
Jun 14, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Content rating
Everyone
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About the developer
横堀俊樹
yokobodeveloper@gmail.com
旭区今宿東町896 横浜市, 神奈川県 241-0032 Japan

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