Text to Binary Converter

Text to Binary

Use this text to binary converter to translate words, letters, numbers, and symbols into binary code. Each character is encoded as bytes and displayed as groups of 0s and 1s that you can copy or adjust with separator and grouping options. If you want the full background, our guide on how to convert text to binary walks through every step by hand.

Example: Hello → 01001000 01100101 01101100 01101100 01101111

Converting text to binary follows four steps, which the tool performs automatically as you type:

1. Look up each character's code point (for "H" the value is 72, the same number you find in an ASCII binary table)
2. Convert that number from decimal to base-2 (72 becomes 1001000)
3. Pad the result to a full 8-bit byte (01001000)
4. Join each byte with a space, comma, or no separator

For example: Hi → 72, 105 → 01001000 01101001

Binary to Text

Switch to the Binary to Text tab to decode binary groups back into readable text. The converter accepts spaced binary bytes like 01001000 01100101 and continuous 8-bit groups like 0100100001100101.

Binary to text conversion follows three steps:

1. Split the binary string into groups (typically 8 bits per character for ASCII/UTF-8)
2. Convert each binary group to its decimal equivalent (see binary-to-decimal conversion to do this by hand)
3. Map each decimal value to its corresponding character using UTF-8 decoding

For example: 01001000 01101001 → 72, 105 → "Hi"

0 and 1 Translator

A 0 and 1 translator is a binary translator for people who want to convert normal text into binary digits or decode binary digits back into text. Binary is a base-2 number system using only two digits: 0 and 1. Every piece of data your computer processes, from text messages to streaming video, is ultimately stored and transmitted as sequences of binary digits (bits). To understand why, read what binary code is and how machines use it.

In text encoding, each character is assigned a numeric value, which is then represented in binary. For example, the letter "A" is 65 in decimal, which translates to 01000001 in binary. This binary translator handles the conversion instantly in your browser.

Supported Number Systems

Beyond binary, this tool converts between multiple number systems commonly used in programming and computer science:

• Decimal (Base-10): The standard number system (0–9). Each ASCII character maps to a decimal value (A=65, Z=90, a=97).
• Hexadecimal (Base-16): Uses digits 0–9 and letters A–F. Compact representation — every byte is two hex digits (A=41, Z=5A). See binary vs hexadecimal for when to use each.
• Octal (Base-8): Uses digits 0–7. Common in Unix file permissions and some legacy systems (A=101, Z=132).

Working with negative numbers? Learn how computers store them with signed binary and two's complement.

Common Uses for Text-to-Binary Conversion

Converting text to binary is more than an academic exercise. Here are the most common reasons people reach for a binary translator:

• Computer science classwork: Students convert their name or a sentence to binary to learn how characters, bytes, and place value work in a base-2 system.
• Binary puzzles and ciphers: Escape rooms, geocaching, CTF challenges, and ARGs frequently hide messages as strings of 0s and 1s that need decoding back to text.
• Debugging byte data: Developers inspect the exact bits of a character or control code when troubleshooting encoding bugs, serial protocols, or file formats.
• Encoding and ASCII art: Hobbyists encode hidden notes, watermarks, or playful messages in binary inside documents, images, or chat.
• Teaching place value: Educators use the text-to-binary mapping to demonstrate how a single byte represents 256 possible values and why each letter takes 8 bits.
• Quick reference checks: Anyone verifying a single byte (like confirming that "A" is 01000001) can paste the character and read the result instantly.