How does text to binary conversion work?

Text to binary conversion works by converting each character to its ASCII or Unicode value, then representing that value as an 8-bit binary number. For example, 'H' (ASCII 72) becomes '01001000' in binary.

What is the difference between ASCII and Unicode in binary conversion?

ASCII uses 7-8 bits and represents 128-256 characters (English letters, digits, symbols). Unicode supports over 1 million characters from all languages and uses variable-length encoding (UTF-8 uses 1-4 bytes per character).

Can I convert binary back to text?

Yes! Our converter supports bidirectional conversion. Simply switch to 'Binary → Text' mode and paste your binary code. The binary string must be a multiple of 8 bits (one byte per character).

What binary format should I use?

Choose 'Spaced' for readability (each byte separated), 'No Spaces' for compact representation, or '8-bit Groups' for organized display. The format doesn't affect the actual binary data, only its presentation.

Does the converter support Unicode characters and emojis?

Yes! Our converter supports Unicode characters including emojis and characters from various languages. Each character is converted to its Unicode value and represented in binary.

Is the text to binary converter free?

Yes, completely free! No registration, no limits, no hidden fees. All conversions happen in your browser - we never see or store your data.

💻 Text to Binary / Binary to Text Converter

Convert text to binary code and binary to text online for free. Support for ASCII, Unicode characters. Multiple formatting options. Real-time conversion. No registration required.

Conversion Mode:

Binary Format:

Each byte separated by space (01001000 01100101)

Auto-convert (real-time)

Quick Examples:

Text Input

What is Binary Code?

Binary code is a system of representing text, computer processor instructions, or any other data using a two-symbol system. The two symbols are typically "0" and "1" from the binary number system. Each character in text is represented by a unique sequence of 8 bits (1 byte).

For example, the letter "A" is represented as 01000001 in binary, and the letter "B" is 01000010. This binary representation allows computers to store and process text data.

How Text to Binary Conversion Works

1. Character Encoding

Each character in the text is converted to its ASCII or Unicode value:

'H' → 72 (decimal) → 01001000 (binary)
'e' → 101 (decimal) → 01100101 (binary)
'l' → 108 (decimal) → 01101100 (binary)
'o' → 111 (decimal) → 01101111 (binary)

2. Binary Representation

Each character is represented as an 8-bit binary number. The binary string for "Hello" would be:

01001000 01100101 01101100 01101100 01101111

3. Formatting Options

Spaced: Each byte separated by space for readability
No Spaces: Continuous binary string
8-bit Groups: Grouped in 8-bit chunks

Common Use Cases

Computer Science Education: Learning how computers represent and process text data.

Data Encoding: Converting text to binary for storage or transmission in binary formats.

Debugging: Analyzing binary representations of text data in debugging scenarios.

Cryptography: Understanding binary representation is fundamental to many cryptographic algorithms.

Network Protocols: Some network protocols require binary encoding of text data.

ASCII vs Unicode

ASCII (American Standard Code for Information Interchange)

Uses 7 bits (128 characters)
Represents English letters, digits, and common symbols
Extended ASCII uses 8 bits (256 characters)
Limited to Latin alphabet

Unicode

Supports over 1 million characters
Includes characters from all languages
UTF-8 encoding uses variable-length encoding (1-4 bytes)
Backward compatible with ASCII

Note: This converter uses UTF-16 encoding (JavaScript's native encoding), where most characters are represented as a single 16-bit value, but we display them as 8-bit bytes for compatibility.

Tips for Using Binary Converter

✓Valid Binary Input: When converting binary to text, ensure the binary string length is a multiple of 8 (one byte per character).
✓Whitespace: Spaces and other whitespace characters in binary input are automatically removed during conversion.
✓Unicode Support: The converter supports Unicode characters, including emojis and characters from various languages.
✓Format Selection: Choose the binary format that best suits your needs - spaced for readability, no spaces for compact representation.
✓Real-time Conversion: Enable auto-convert for instant conversion as you type, or disable it for manual control.