Text to Binary Converter

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Convert text to binary code (0s and 1s) and binary back to text instantly. Free online text to binary translator with UTF-8 support.

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Mode: Text → Binary

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Why convert text to binary?

Computers store everything as binary — 0s and 1s. Each character maps to a number (ASCII or Unicode), and that number is written in base-2. Converting text to binary is a classic way to understand how computers work, and it is also used in education, cryptography experiments, and low-level programming.

This free text to binary converter shows each character as its 8-bit (or wider) binary form, clearly separated, and reverses the process just as easily.

Binary in the real world

Binary is the foundation of every digital system: files, images, network packets, CPU instructions. Understanding it helps developers debug encoding issues and appreciate how data flows through machines. For students, seeing "Hello" become "01001000 01100101..." makes the concept concrete.

How to Use

Type or paste text into the box
Choose Text → Binary or Binary → Text
The conversion appears instantly
Copy the result with one click

Features

⚡ Live ConversionUpdates as you type.

🔄 Two-WayText → binary and binary → text in one tool.

🌍 UTF-8Handles emojis and Unicode correctly.

🔒 PrivateRuns entirely in your browser.

Frequently Asked Questions

How do you convert text to binary?

Each character is converted to its ASCII/Unicode number, then that number is written in base-2 (0s and 1s). This tool does it automatically.

What is "Hello" in binary?

Hello = 01001000 01100101 01101100 01101100 01101111 (8 bits per character, ASCII).

Is binary to text conversion free?

Yes, completely free with unlimited use and no signup.