Convert text to ASCII codes and decode ASCII numbers back to readable text. Useful for character codes, protocols, parsers, and beginner programming tasks.
Hello
72 101 108 108 111
Convert readable text into decimal ASCII character codes.
72 101 108 108 111
Hello
Restore readable text from decimal ASCII values.
A1!
65 49 33
ASCII represents letters, digits, punctuation marks, and common symbols as numeric codes.
A B
65 32 66
The space character is part of ASCII and is represented by decimal code 32.
ASCII assigns a numeric code to each supported character. For example, uppercase A is 65, lowercase a is 97, digit 0 is 48, and the space character is 32.
During encoding, the converter reads each character and replaces it with its ASCII code. During decoding, numeric codes are converted back into readable characters.
Standard ASCII contains 128 values and mainly covers English letters, digits, punctuation marks, and control characters. It is the foundation for many later character encodings.
ASCII conversion is not encryption. It only changes how characters are represented and can be easily reversed without a password or secret key.
Use ASCII conversion for learning, debugging, protocol inspection, and character code analysis. Use real cryptographic tools when confidentiality is required.
ASCII codes are commonly used in programming, text processing, network protocols, parser development, debugging, and educational exercises. They make it easier to inspect how characters are represented as numbers.
Developers often use ASCII values when working with protocol messages, control characters, command formats, file parsing, and low-level text processing.
ASCII is a limited character set with 128 standard values. It covers basic English letters, digits, punctuation, and control characters.
Unicode is much larger and supports many languages, symbols, emoji, and writing systems. ASCII remains important because the first 128 Unicode code points match the original ASCII table.
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