ASCII Character Code Converter

Convert characters to ASCII code numbers or decode code sequences back to text.

Input Message / Ciphertext

Processed locally in your browser — nothing is uploaded.

How to Use

ASCII (American Standard Code for Information Interchange) assigns numbers 0-127 to characters.

ASCII Reference Table

Explore the complete standard ASCII code table with quick search.

Unicode Encoder / Decoder

Convert text to Unicode escape sequences and back.