Reference & Cheat Sheets
Quick reference guides, cheat sheets, and lookup tables. Find what you need fast.
ASCII Table
Character Codes 0-127Complete ASCII character table with decimal, hexadecimal, octal, and binary values. Includes control characters, printable characters, and extended descriptions.
Common Port Numbers
Network Ports ReferenceReference list of common TCP and UDP port numbers for web services, databases, email, file transfer, and other network protocols.
CSS Color Names
Named Colors & Hex ValuesComplete list of all 147 CSS named colors with their hex values, RGB values, and color swatches. Searchable reference for web designers and developers.
Date Format Strings
C#, JavaScript & PythonComplete reference for date and time format strings across C#/.NET, JavaScript, and Python. Includes standard formats, custom patterns, and common examples.
HTTP Headers Reference
Request & Response HeadersComplete reference for HTTP headers including request headers, response headers, caching, security, CORS, and authentication. Quick lookup for web developers.
Regex Syntax Quick Reference
Pattern Matching Cheat SheetComplete regex syntax reference with all metacharacters, quantifiers, anchors, groups, and lookarounds. Quick lookup for regular expression patterns.
Unicode Character Tables
Common Unicode Blocks & SymbolsQuick reference for Unicode characters including arrows, math symbols, currency, Greek letters, box drawing, and special characters with their code points.
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