Free Computer Science Tool
ASCII Code Converter
Convert text into ASCII codes and ASCII codes back into readable text. This tool is useful for programming students, computer science beginners, and anyone learning how computers represent letters, numbers, and symbols.
72 101 108 108 111
Type text like Hello or enter ASCII numbers like 72 101 108 108 111 to convert instantly.
Quick examples:
Conversion Mode
Text to ASCII
Characters / Codes
5
ASCII Status
Standard ASCII
Output Type
Decimal
| Character | Decimal | Hex | Binary | ASCII Status |
|---|---|---|---|---|
| H | 72 | 48 | 01001000 | Standard ASCII |
| ASCII Concept | Example | Simple Meaning |
|---|---|---|
| Text to ASCII | A = 65 | Each character has a number code that a computer can store or process. |
| ASCII to Text | 72 105 = Hi | ASCII numbers can be converted back into readable characters. |
| Space Character | Space = 32 | Even a blank space has its own ASCII code. |
| Standard ASCII Range | 0 to 127 | Standard ASCII codes are from 0 to 127. Values above this are not standard ASCII. |
Letters and Numbers
ASCII represents common English letters, digits, punctuation marks, and control characters using numeric codes.
Good for Beginners
Students can type a word and see how each character is represented as a number inside computer systems.
Programming Practice
ASCII conversion is useful when learning strings, characters, encoding, binary, hexadecimal, and number systems.
Note: This tool focuses on standard ASCII codes from 0 to 127. Characters outside this range may belong to Unicode or other encodings, so they are marked as “Not standard ASCII.”
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