Text ↔ ASCII Code Converter
Convert text to ASCII decimal codes and decode ASCII codes back to text. Shows character-by-character breakdown.
Text
ASCII Codes (decimal)
💡 Definition
ASCII Codes
- ASCII (American Standard Code for Information Interchange) assigns a number to each character.
- Printable characters range from 32 (space) to 126 (~).
- This tool shows the decimal code for each character, plus a detailed breakdown table with hex, octal, and binary equivalents.
📖 How to use
Step by Step
- Type or paste text in the left panel
- ASCII decimal codes appear on the right
- A detailed table shows each character's codes
- Paste decimal codes on the right to decode
🎯 Use cases
When to use
- Understanding character encoding
- Debugging text processing issues
- Learning ASCII for programming courses
- Identifying non-printable characters
Frequently Asked Questions
What is ASCII?▾
ASCII is a character encoding standard that maps 128 characters to numbers 0-127. It includes control characters (0-31), printable characters (32-126), and DEL (127). Extended ASCII uses codes 128-255.
What about characters beyond ASCII?▾
Characters beyond code 127 (like accented letters or emoji) are part of Unicode. This tool shows their Unicode code points in the same format.