Convert decimal or hexadecimal ASCII character codes into readable text with clear validation and optional Unicode support.
You can enter decimal values, hexadecimal values with a 0x prefix, or unprefixed hexadecimal when Hexadecimal mode is selected.
Use spaces, commas, semicolons, pipes, or line breaks between values.
Standard ASCII values range from 0 through 127.
Yes. Enable Unicode code points to allow valid values up to U+10FFFF, excluding invalid surrogate values.
Yes. Invalid tokens and out-of-range values are identified instead of being silently ignored.
Yes. The codes are decoded locally in your browser.