Reference Tables
Search curated technical, cultural, geographic, and development reference tables.
44 available tools
HTTP Status Code Reference
Search common HTTP response codes, names, and meanings.
Reference TablesCommon Network Ports
Search common TCP and UDP ports and their services.
Reference TablesASCII Table
Browse decimal, hexadecimal, character, and control-code values.
Reference TablesHTML Entity Reference
Search commonly used HTML named and numeric character references.
Reference TablesMIME Type Reference
Search common media types by extension, type, or description.
Reference TablesHTTP Header Reference
Search common request, response, representation, and security headers.
Reference TablesGit Command Reference
Search practical Git commands for everyday repository work.
Reference TablesLinux Command Reference
Search frequently used Linux shell commands and examples.
Reference TablesKeyboard Key Code Reference
Search common KeyboardEvent key, code, and legacy keyCode values.
Reference TablesFile Magic Bytes Reference
Identify common file formats by their leading hexadecimal signatures.
Reference TablesJavaScript Operator Precedence
Search JavaScript operators by precedence, associativity, and purpose.
Reference TablesAndroid Manifest Permissions
Search common Android permissions and their purpose.
Reference TablesADB Command Reference
Search frequently used Android Debug Bridge commands.
Reference TablesWeb Size Reference
Reference common responsive breakpoints, viewport, icon, and social image sizes.
Reference TablesPackage Registry Mirror Reference
Reference common package registry and mirror configuration commands.
Reference TablesASP Error Code Reference
Search common classic ASP and IIS error codes and meanings.
Reference TablesBase64 Alphabet Table
Reference every Base64 index and its corresponding character.
Reference TablesExtended ASCII Reference
Browse the ISO-8859-1 extended character range and code points.
Reference TablesFrontend CDN Reference
Reference popular public frontend CDN services and URL patterns.
Reference TablesFrontend Development Shortcuts
Search useful browser DevTools and editor keyboard shortcuts.
Reference TablesSpecial Symbol Reference
Search and copy common mathematical, currency, arrow, punctuation, and technical symbols.
Reference TablesPhotoshop Shortcut Reference
Search frequently used Adobe Photoshop keyboard shortcuts.
Reference TablesDomain Suffix Reference
Search common generic and country-code top-level domains.
Reference TablesPeriodic Table Reference
Search chemical elements by atomic number, symbol, or name.
Reference TablesWorld Capitals Reference
Search countries and their national capitals.
Reference TablesStandard Clothing Size Chart
Compare common international clothing and shoe size labels.
Reference Tables24 Solar Terms Reference
Browse the traditional Chinese 24 solar terms in calendar order.
Reference TablesFlower Meaning Reference
Search traditional symbolic meanings associated with common flowers.
Reference TablesTraffic Sign Reference
Review common traffic sign categories and meanings.
Reference TablesWorld Festival Reference
Search major international and Chinese traditional holidays.
Reference TablesWedding Anniversary Names
Browse traditional names associated with wedding anniversary years.
Reference TablesChinese Dynasties Timeline
Browse a concise chronology of major periods and dynasties in Chinese history.
Reference TablesChina License Plate Prefixes
Search provincial-level Chinese vehicle registration abbreviations.
Reference TablesWestern Zodiac Signs
Browse the twelve Western zodiac signs and commonly used date ranges.
Reference TablesPublic DNS Resolver Reference
Compare official IPv4, IPv6, DoH, and DoT endpoints for major public DNS resolvers.
Reference TablesSearch Engine Crawler Verification
Reference official methods for identifying Googlebot, Bingbot, Baiduspider, and other crawlers.
Reference TablesSearch Engine Site Submission
Reference official webmaster portals and supported sitemap or URL submission methods.
Reference TablesTraditional Chinese Colors
Search and copy a curated reference of traditional Chinese color names and hex values.
Reference TablesNecktie Knot Guide
Compare common necktie knots by shape, difficulty, and suitable collar.
Reference TablesCar Brand Reference
Search major automotive brands by country and parent group.
Reference TablesInternational Cultural Etiquette
Review practical etiquette considerations for travel and international communication.
Reference TablesChina Telephone Area Codes
Search common mainland China fixed-line area codes by city or province.
Reference TablesChina Metro Official Links
Find official urban rail operator and network-information portals for major Chinese cities.
Reference TablesChina IDC License Verification
Use official MIIT systems to verify internet data center and value-added telecom licenses.