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Free Online ASCII to Text Converter Tool
Convert text to ASCII codes and decode ASCII back to readable text instantly. Useful for programming, data encoding, and character reference. All processing runs locally in your browser.
💡 ASCII码转换
How to Use ASCII Converter
Quick Start Guide
1
Paste or type your text into the input field
2
Click Encode to convert text to ASCII decimal codes
3
Or click Decode to convert ASCII codes back to text
4
Copy the result for use in your programming works
💡Pro Tips
✓Text to ASCII: each character becomes its ASCII code number
✓ASCII to Text: enter space-separated numbers like 72 101 108 108 111
✓All conversion happens locally in your browser
Frequently Asked Questions
ASCII is a character encoding standard that assigns a number from 0 to 127 to each letter, digit, and symbol. Uppercase A is 65, lowercase a is 97, and space is 32.
Type or paste your text and click Encode. Each character converts to its ASCII decimal value, separated by spaces. "ABC" becomes "65 66 67".
Yes. Enter space-separated numbers like "72 101 108 108 111" and click Decode. The tool converts each number back to its character, giving you "Hello".
ASCII covers 128 basic Latin characters. Unicode covers over 150,000 characters including Chinese, Japanese, Korean, and emoji. For multilingual text, try our Unicode Converter.
Still have questions? Check out our other tools or contact us for support.
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