ASCII Table

Complete ASCII code table with control characters, printable characters and extended ASCII codes.

Tool Guide

Tool Introduction

ASCII (American Standard Code for Information Interchange) is a character encoding standard used to represent characters in text. It was originally developed in the 1960s, primarily for English characters and some control characters.

ASCII uses 7-bit binary numbers (0 to 127) to represent 128 characters, including: uppercase letters (A-Z), lowercase letters (a-z), digits (0-9), punctuation marks (such as commas, periods, etc.), and some control characters (such as line feeds and carriage returns).

Because of its limitations, ASCII cannot represent characters from many other languages, so later encoding systems (such as Unicode) expanded the character set to support more languages and symbols.

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