ASCII Converter

Convert Text, Decimal, Hex & Binary ASCII Instantly

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ASCII Character Table (0-127)

Decimal Hex Binary Character Description

What is ASCII Converter?

An ASCII Converter is a free online tool designed for developers, students, and digital professionals to seamlessly translate standard text into ASCII codes. ASCII (American Standard Code for Information Interchange) is a character encoding standard for electronic communication. Our tool supports bi-directional conversion between Text and ASCII Decimal, Hexadecimal, and Binary formats.

How to Use ASCII Converter?

Using the tool is straightforward:

  • Select Mode: Choose from the top tabs (Text to ASCII, Decimal to Text, Hex to Text, or Binary to Text).
  • Enter Data: Type or paste your text or ASCII codes into the input area. The tool handles separators like spaces, commas, and newlines automatically.
  • Get Results: If "Auto Convert" is checked, results appear instantly. Otherwise, click "Convert".
  • Copy or Download: Use the copy buttons to grab individual formats or download the entire result as a TXT file.

ASCII Decimal, Hexadecimal and Binary

Computers understand numbers, not letters. ASCII assigns a unique number to each character.

  • Decimal (Base 10): The standard numeric representation (e.g., 'A' is 65).
  • Hexadecimal (Base 16): Commonly used in programming, using 0-9 and A-F (e.g., 'A' is 41).
  • Binary (Base 2): The fundamental machine language of 0s and 1s (e.g., 'A' is 01000001).

ASCII Standard 0–127

The original ASCII standard strictly defines 128 characters (values 0 through 127). This includes unprintable control codes (0-31 and 127) like NUL, LF, CR, and printable characters (32-126) like letters, digits, and punctuation. Values from 128-255 are considered "Extended ASCII" and may vary based on specific encoding (like ISO-8859-1 or UTF-8). Our tool strictly validates the standard 0-127 range to ensure data integrity.

Common ASCII Examples

Here are some frequently referenced ASCII values:

  • A = 65 (Dec) | 41 (Hex)
  • B = 66 (Dec) | 42 (Hex)
  • a = 97 (Dec) | 61 (Hex)
  • b = 98 (Dec) | 62 (Hex)
  • 0 = 48 (Dec) | 30 (Hex)
  • Space = 32 (Dec) | 20 (Hex)
  • Enter (LF) = 10 (Dec) | 0A (Hex)

Frequently Asked Questions

What is the difference between ASCII and Unicode?
ASCII uses 7 bits to represent 128 standard characters, making it very lightweight but limited to basic English text. Unicode is a modern standard that uses up to 32 bits, capable of representing millions of characters, including emojis and international alphabets.
Can I convert decimal ASCII to text?
Yes, simply select the "Decimal → Text" tab, enter your space or comma-separated numbers (e.g., 72 101 108 108 111), and the tool will decode it instantly.
Can I convert hexadecimal ASCII to text?
Absolutely. Choose the "Hex → Text" mode. The tool accepts standard hex pairs (e.g., 48 65) and handles formats with or without the '0x' prefix.
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