Text to Binary Converter
Convert text to binary code and back — instantly in your browser
Real-Time
Unicode Support
Two-Way
Text → Binary
Binary → Text
Common ASCII / Binary Reference
| Char | ASCII | Binary | Char | ASCII | Binary | Char | ASCII | Binary |
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Frequently Asked Questions
Each character has a numeric code in the ASCII or Unicode standard. That number is converted to base-2 (binary). For example, 'A' = ASCII 65 = binary 01000001. Each digit in binary represents a power of 2, from right to left (1, 2, 4, 8, 16, 32, 64, 128).
8 bits (1 byte) is the standard unit in computing. Standard ASCII uses 7 bits (128 characters), but extended ASCII and UTF-8 use 8 bits for the first 256 characters. For characters outside the ASCII range (e.g., Chinese, Arabic, emoji), more bits are needed — which is why Unicode and UTF-8 encoding exist.