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Base Converter

Convert numbers between Binary, Dec, Hex, and Octal bases

Powerful base conversion tool for programmers and students. Convert any number between bases 2 and 36 reliably. Includes specialized tabs for Text to Binary and Text to Hexadecimal encoding/decoding with proper formatting.

Categories
Encoder Tools
Common Base Conversions
Decimal to Binary
Number
Convert 255 to 8-bit binary
255
Hex to Decimal
Number
Convert 0xFF to decimal
FF
Text to Binary
Text
Convert 'Hello' to binary
Hello World
Text to Hex
Text
Convert 'JSON' to hexadecimal
JSON
Octal to Decimal
Number
Convert octal 777 to decimal
777
Hex to Binary
Number
Convert Hex BE EF to binary
BEEF

From Base
To Base
Number Input
Result
About Base Conversion
Conversion between different number systems (Binary, Hex, Octal, Decimal) and between text and its binary/hexadecimal representations.

Common Bases:
Binary (Base 2): Used in digital electronics (0s and 1s).
Octal (Base 8): Sometimes used in computing, digits 0-7.
Decimal (Base 10): Standard human numbering system.
Hexadecimal (Base 16): Widely used in programming and web colors.

Accurate Base Conversion for Developers

In the world of computing, different numbering systems (bases) serve different purposes. While we use Decimal (Base 10) in daily life, computers communicate in Binary (Base 2), and developers often use Hexadecimal (Base 16) to represent memory addresses or color codes.

Our Online Base Converter is designed to provide quick, accurate translations between these systems, supporting any base from 2 up to 36.

Supported Conversion Types

1. Numeric Conversions (Base 2 - Base 36)

Easily switch between the most common computing bases:

  • Binary (Base 2): Fundamental computer language using only 0 and 1.
  • Octal (Base 8): Legacy systems and Unix file permissions.
  • Decimal (Base 10): Standard human numbering system.
  • Hexadecimal (Base 16): Compact representation of binary data (0-9, A-F).
  • Custom Bases: Need Base-12 or Base-36? Our tool handles it seamlessly.

2. Text to Binary & Hexadecimal

Convert entire sentences into their machine-readable equivalents:

  • Text to Binary: See your words as a sequence of bits (0s and 1s).
  • Text to Hex: Convert strings into hexadecimal bytes—ideal for debugging network protocols or file headers.
  • Decoding: Easily convert Binary or Hex strings back into readable text.

Professional Features

  • Grouped Output: Binary and Hex outputs are automatically grouped with spaces (e.g., 1111 0000) for better readability.
  • Interactive Presets: Use our quick-launch cards to instantly see how common values (like the color White or the number 255) look in different bases.
  • Validation: The tool alerts you if you enter characters that are invalid for the selected input base.

Practical Use Cases

  1. Programming: Convert number types while writing code (e.g., 0xFF to decimal).
  2. Web Design: Convert RGB color values to Hexadecimal codes.
  3. Networking: Calculate subnets or analyze packet headers in Hex format.
  4. Education: Learn how numbers are represented across different mathematical systems.
  5. Security: Encode messages into Binary or Hex to hide their immediate readability.

Frequently Asked Questions

Because one Hex character represents exactly 4 bits (half a byte). This makes it much more compact and efficient than Binary while being easier to map to computer memory than Decimal.

Can I convert negative numbers?

This tool is optimized for positive integers and character encoding. For advanced signed-integer representations (like two's complement), specialized computer science tools are recommended.

Is there a limit to the number size?

For standard base conversion, we support very large numbers. However, extremely large values may lose precision if they exceed the JavaScript safe integer limit.

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