🔤 ASCII Converter

Convert any text to ASCII codes or decode ASCII codes back to readable text with our powerful ASCII Converter. Perfect for developers, students, and anyone working with character encoding, data transmission, or text processing.

Choose whether to convert text to ASCII or ASCII to text
Enter text to convert to ASCII or ASCII codes to convert to text
Choose the numerical format for ASCII codes
Add spaces between ASCII codes for better readability
Display additional details about each character (category, description)

How to Use This ASCII Converter

How to Convert Text and ASCII:

  1. Choose your conversion direction: Text to ASCII or ASCII to Text
  2. Paste or type your input text or ASCII codes in the input area
  3. Select your preferred output format (decimal, hexadecimal, binary, or octal)
  4. For ASCII to text conversion, separate codes with spaces or commas
  5. Results appear instantly as you type with automatic format detection
  6. Copy the converted result or download as a text file

Pro Tips: Use decimal format for standard ASCII codes, hex for web development, and binary for computer science applications!

How It Works

The Science of ASCII Conversion:

ASCII (American Standard Code for Information Interchange) assigns unique numerical codes to characters. Here's how conversion works:

  1. Text to ASCII: Each character is mapped to its corresponding ASCII code (0-127)
  2. ASCII to Text: Numerical codes are converted back to their character representations
  3. Format Conversion: Codes can be displayed in decimal, hexadecimal, binary, or octal
  4. Batch Processing: Multiple characters or codes are processed sequentially

Example ASCII Conversions:

Text Input: "Hello"

ASCII Output (Decimal): 72 101 108 108 111

ASCII Output (Hex): 48 65 6C 6C 6F

ASCII Output (Binary): 1001000 1100101 1101100 1101100 1101111

Manual Conversion Process:

  • Each character has a fixed ASCII value (A=65, a=97, 0=48, etc.)
  • Decimal: Use the ASCII value directly (H = 72)
  • Hexadecimal: Convert decimal to base-16 (72 = 48 in hex)
  • Binary: Convert decimal to base-2 (72 = 1001000 in binary)
  • Octal: Convert decimal to base-8 (72 = 110 in octal)

When You Might Need This

Frequently Asked Questions

What's the difference between ASCII and Unicode?

ASCII uses 7 bits to represent 128 characters (0-127), including letters, numbers, and symbols. Unicode is a much larger character set that includes ASCII as a subset but supports thousands of characters from different languages and symbol sets.

Can this tool handle extended ASCII characters?

Yes, our converter supports the full extended ASCII range (0-255) which includes additional characters beyond the standard 7-bit ASCII set. This covers special symbols, accented characters, and other extended characters.

Why would I need to convert text to different number formats?

Different programming contexts use different formats: decimal for general purposes, hexadecimal for web colors and memory addresses, binary for low-level programming, and octal for Unix file permissions. Each format serves specific technical needs.