ASCII to Decimal Converter
Convert text to decimal character codes, live as you type.
One decimal code per character, space-separated. Reads full Unicode code points, not just the 0-127 ASCII range, so emoji and accented characters convert correctly too. Converts live as you type, entirely in your browser.
Need the opposite? Use Decimal to ASCII Converter
What is ASCII to Decimal Converter?
Type or paste text and get each character's decimal code point instantly — reads full Unicode, not just the 0-127 ASCII range, so accented letters and emoji convert correctly too. Each code is space-separated in the output, matching the format most debugging tools and low-level protocols expect. This is useful whenever you need to inspect exactly which characters are in a string — spotting an invisible character, confirming a byte-order mark isn't sneaking into a file, or checking what a control character actually is. Conversion happens live as you type, entirely in your browser; nothing you paste is sent to a server.
FAQ
It reads any Unicode character's code point, not just the 0-127 ASCII range — the name matches the common search term, but the tool itself is Unicode-safe.
One decimal number per character, separated by spaces — the same format the paired Decimal to ASCII Converter expects as input, so you can round-trip between the two.
Yes — the input is a full textarea, and line breaks are converted to their own decimal codes (10 for a line feed) just like any other character.