Reference
Quick-reference tables for web development essentials: ALT codes, HTML entities, color names, HTTP status codes, EBCDIC, and character encoding standards.
HTML Symbol Entities
164 symbols164 HTML symbol entities organized by category, including arrows, currency signs, mathematical operators, and Greek letters.
HTML Color Names
159 colorsAll named HTML colors with hex codes, RGB values, and color previews. Includes basic and X11 extended color names.
HTTP Status Codes
67 codesComplete list of HTTP response status codes organized by category, from 1xx informational to 5xx server errors.
ALT Codes
223 codesComplete list of Windows ALT key codes for typing special characters using the numeric keypad, from standard ASCII to extended symbols.
EBCDIC Table
256 codesComplete EBCDIC character encoding table with decimal, hex, octal, and binary values for all 256 code points.
Character Sets
22 encodingsReference of character encoding standards including ASCII, ISO-8859, and Windows code pages with supported languages.
ASCII Keyboard Map
128 codesComplete map of keyboard keys to ASCII codes. Letters, digits, symbols, Ctrl combinations, escape sequences, and platform differences.