const.id

Reference atlas

Exact identifiers for developers

Look up Unicode code points, ASCII controls, and HTML named character references. Each page lists encodings, escapes, and related identifiers.

U+00A0NO-BREAK SPACEnbspHTML entityESCASCII escapeU+200DZero width joinerem dashName search0x1BASCII hex

Unicode

294,579 entries

Code points with category, block, script, encodings, and safety signals.

ASCII

128 entries

0x00–0x7F controls and printables with developer-oriented context.

HTML entities

2,231 entries

WHATWG named character references mapped to code point(s).

Data from Unicode 16.0.0 and a dated WHATWG entities snapshot. Summaries sit beside source fields. Compare space · nbsp · ZWSP.