No. ASCII covers only 128 codes. Unicode covers nearly all modern writing systems. The first 128 Unicode code points preserve ASCII compatibility.
ASCII Table
Look up ASCII characters in decimal, hexadecimal, binary and HTML
The basic alphabet that shaped text in computers and protocols
ASCII is a 128-code character set representing controls, unaccented Latin letters, numbers and punctuation. Even with Unicode powering the modern web, ASCII remains the compatible base for protocols, logs, escapes, shells, HTTP, JSON and many developer tools.
Find codes and copy representations quickly
- Search by character, control name, decimal, hexadecimal or binary.
- Use filters to switch between control characters and printable characters.
- Select a row to inspect DEC, HEX, BIN and HTML entity in the detail panel.
Sources and references for this tool
These references help contextualize formulas, standards, APIs and limitations used on this page. They do not replace professional validation when a result has legal, financial, medical or operational impact.
- RFC 20 — ASCII format for Network InterchangeIETF — Historical document defining the ASCII set used for network interchange.
- Unicode C0 Controls and Basic LatinUnicode Consortium — Unicode chart preserving C0 controls and Basic Latin characters compatible with ASCII.
- HTML character referencesWHATWG — Context for character entities and references in HTML.