ASCII Converter

Text

Plain text characters

ASCII Codes

Numeric ASCII values (0-127)

About ASCII Converter

Our free online ASCII Converter helps you convert text to ASCII codes and vice versa. Whether you're debugging string encoding issues, working with low-level data, or learning about character encoding, this tool provides instant conversions between text and ASCII values.

Key Features

Multiple Formats

Convert to decimal, hexadecimal, binary, and octal ASCII codes.

Bidirectional

Convert text to ASCII or ASCII codes back to text.

Real-time Conversion

All formats update automatically as you type.

100% Client-side

All conversions happen in your browser - your data stays private.

Copy Support

One-click copy for any format.

Character Details

View the ASCII value for each character.

How to Use

1Enter text to see its ASCII codes in various formats.
2Or enter ASCII codes (decimal, hex, etc.) to convert back to text.
3View conversions in decimal, hexadecimal, binary, and octal.
4Copy any format for use in your code or documentation.

Pro Tips

💡ASCII codes 0-31 are control characters (non-printable).
💡Uppercase letters are 65-90 (A-Z), lowercase are 97-122 (a-z).
💡Numbers 0-9 have ASCII codes 48-57.
💡Standard ASCII only covers characters 0-127; extended ASCII goes to 255.