Binary Converter - Online Binary Converter

Convert between Decimal, Binary, Hex, Octal

Convert number

Text ↔ Binary

Binary Converter Online - Free professional binary conversion tool for Developers and Students

Tan Phat Digital's Binary Converter tool is a comprehensive solution for developers, students, and professionals who need to convert numbers between the most popular base systems in computing: Decimal (decimal, base 10) - a familiar everyday coefficient, Binary (binary, base 2) - the foundational language of every computer with only 0 and 1, Hexadecimal (hexadecimal, base 16) - widely used in programming for CSS colors, memory addresses, and bytes. values, and Octal (octal, base 8) - common in Unix file permissions. There is a special feature to convert Text to Binary and vice versa - each ASCII character is represented by 8 bits (1 byte), allowing you to see how computers actually store text in binary form. Enter numbers in any cell (Decimal, Binary, or Hex), the remaining cells automatically update in realtime without needing to press the convert button, saving significant time. Copy each result with one click on the clipboard. Intuitive interface with clear labels for each base system. The tool handles completely offline in the browser using native JavaScript functions, does not send data to the server, ensuring security and privacy. Completely free, unlimited number of conversions, no need to register an account. This is a great learning tool for students learning about computer science fundamentals, number systems, and how computers store and process data at a low-level level. Also useful for developers working with binary data, embedded systems, network protocols, and debugging hex dumps.

Outstanding features

Realtime conversion between Decimal, Binary, Hex, Octal
Type in any cell, other cells automatically update
Convert Text to Binary (each character = 8 bits)
Convert Binary to Text
Copy each result with one click
Display Hex in uppercase
Intuitive, easy-to-use interface
Offline processing in browser
Great learning tool
Completely free

What is Binary and why is it important?

Binary (binary) is a base 2 number system, using only two digits 0 and 1. This is the basic language of computers because transistors in the CPU have only two states: on (1) and off (0). All data in a computer - text, images, videos, programs - is stored in binary format. Understanding binary helps you understand how computers work at the most basic level. Hexadecimal (hex) is an abbreviation for binary (1 hex = 4 bits), widely used in programming because it is easier to read. Octal is less common but still appears in Unix permissions.

Benefits when used

  • •Understand how computers store data
  • •Debug code when working with binary data
  • •Read and understand memory dumps and hex editors
  • •Working with CSS hex colors
  • •Learn about encoding and character sets
  • •Compute bitwise operations
  • •Verify manual calculation results
  • •Computer science teaching tools

Detailed instructions on how to use Binary Converter

  1. 1To convert numbers: enter Decimal, Binary, or Hex
  2. 2in the box The remaining cells are automatically updated in realtime
  3. 3Click the copy icon to copy the results you need
  4. 4To convert Text to Binary: enter text in the Text
  5. 5Click
  6. 6box to see the binary representation
  7. 7To convert Binary to Text: enter binary (separated by space)
  8. 8Click
  9. 9to decode

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