ASCII (American Standard Code for Information Interchange) assigns numbers 0–127 to characters. Extended ASCII goes to 255.

How does conversion work?

Enter one character to get its decimal code, or enter a decimal 0–255 to get the character (in decimal-to-ASCII tool).

Online ASCII to Decimal Converter

Convert a character or ASCII code to its decimal value (e.g. A → 65).

Character

What is ASCII?: ASCII (American Standard Code for Information Interchange) assigns numbers 0–127 to characters. Extended ASCII goes to 255.
How does conversion work?: Enter one character to get its decimal code, or enter a decimal 0–255 to get the character (in decimal-to-ASCII tool).

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