Free ASCII Converter Online

Convert text to ASCII codes or ASCII codes to text. Supports decimal, hexadecimal, and binary formats.

Convert text to ASCII codes and ASCII codes back to text with our free online ASCII Converter. Supports multiple output formats including decimal, hexadecimal, binary, and octal. Switch between text-to-ASCII and ASCII-to-text modes with one click. Includes a complete ASCII reference table for quick lookup. Essential for programmers, computer science students, and anyone working with character encoding.

How to Use ASCII Converter

1

Select Mode

Choose Text to ASCII or ASCII to Text conversion mode.

2

Choose Format

Select your preferred output format: decimal, hexadecimal, binary, or octal.

3

Enter & Convert

Type your input and see the converted output instantly. Copy the result with one click.

Features

4 Number Formats

Convert to/from decimal, hexadecimal, binary, and octal representations.

Bidirectional Conversion

Convert text to ASCII codes or ASCII codes back to text.

ASCII Reference Table

Built-in reference table showing all printable ASCII characters.

Instant Conversion

Results update in real-time as you type.

Benefits of Using ASCII Converter

Completely Free

Use ASCII Converter without any cost, limits, or hidden fees. No premium plans needed.

No Installation

Works directly in your browser. No software downloads or plugins required.

100% Private

Your files and data are processed locally. Nothing is uploaded to external servers.

Works Everywhere

Compatible with Chrome, Firefox, Safari, Edge on desktop, tablet, and mobile.

No Sign-Up

Start using the tool immediately. No account creation or email verification.

Always Available

Access this tool 24/7 from anywhere in the world, on any device.

Frequently Asked Questions

ASCII (American Standard Code for Information Interchange) is a character encoding standard that assigns numbers to letters, digits, and symbols. It uses 7 bits to represent 128 characters (0-127).
The tool supports decimal (0-127), hexadecimal (0x00-0x7F), binary (00000000-01111111), and octal (000-177) representations.
The tool handles Unicode characters up to code point 65535 (U+FFFF), which covers all Basic Multilingual Plane characters.