Reference Tables
Comprehensive lookup tables for the technical data developers actually need at hand: ASCII codes, HTTP MIME types, HTTP headers, HTML entities. Each page is a single dense reference — bookmark-friendly, printable, factually accurate.
ASCII Table — Complete Reference (Decimal, Hex, Binary, Octal)
Complete ASCII character table with decimal, hexadecimal, binary, and octal codes for all 128 standard ASCII characters. Free, printable, no signup.
HTTP MIME Types Reference — Complete List by Category
Complete reference of HTTP MIME types (Content-Type headers): application, text, image, audio, video, multipart. With file extensions and use notes.
HTTP Headers Reference — Complete List with Examples
Reference for all common HTTP headers: request, response, security, caching, CORS, content negotiation. With practical examples and modern best practices.
HTML Entities Reference — Complete List of Special Characters
Complete HTML entity reference for special characters, symbols, math, currency, arrows, Greek letters, and more. With named, decimal, and hex codes.
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