Information Queries
Quick information lookup and verification tools offering currency exchange rates, unit conversions, timezone queries, code lookups and more for instant accurate information.
Emoji Encyclopedia
Complete emoji reference guide with all Unicode emojis. Browse, search, and copy emojis by category including smileys, animals, food, activities, and more.
Country Code Reference
Complete reference guide for global country codes including ISO codes, phone codes, currency codes, and capital cities. Search and browse country information instantly.
Official Languages by Country
Complete reference of official languages spoken in countries worldwide. Search and browse languages by country, language family, and region.
I Ching 64 Hexagrams Reference
Complete reference guide for the 64 hexagrams of I Ching (Book of Changes). Browse hexagram meanings, interpretations, and traditional Chinese wisdom.
China License Plate Codes
Complete reference for Chinese vehicle license plate codes and their corresponding provinces and cities. Quick lookup for license plate abbreviations.
Browser User Agents Reference
Complete collection of common browser User-Agent strings for Chrome, Firefox, Safari, Edge, and mobile browsers. Essential for web development and testing.
Public DNS Servers
Complete list of public DNS server IP addresses from Google, Cloudflare, OpenDNS, Quad9 and more. Fast DNS lookup for better internet performance and security.
International Phone Codes
Complete reference of international dialing codes for all countries. Quick lookup for country calling codes and phone number formats worldwide.
Currency Codes Reference
Complete ISO 4217 currency codes for all countries. Quick lookup for currency symbols, names, and numeric codes worldwide.
Locale Codes Reference
Complete reference of locale codes (language-region) for internationalization. Essential for i18n, l10n, and multilingual applications.
Domain Suffix List
Complete list of top-level domains (TLDs) including generic, country-code, and new gTLDs. Essential reference for domain registration and DNS management.
China Provinces & Abbreviations
Complete reference of Chinese provinces, municipalities, and autonomous regions with their abbreviations. Essential for understanding Chinese administrative divisions.
Periodic Table of Elements
Interactive periodic table with detailed information about all chemical elements. Search, browse, and explore element properties, atomic structure, and chemical data.
World Capitals Reference
Complete reference guide of world capitals with search functionality. Find capital cities for all countries, including population, timezone, and geographic information.
Blood Type Genetics Calculator
Calculate possible blood types of children based on parents blood types. Learn about ABO and Rh blood type inheritance patterns, genetic compatibility, and Mendelian genetics principles.
Chinese Sexagenary Cycle (Sixty Jiazi)
Complete reference of the 60-year Chinese Sexagenary Cycle with Heavenly Stems and Earthly Branches. Search and explore all 60 Jiazi combinations used in Chinese calendar, astrology, and traditional timekeeping.
Telephone Area Code Reference
Complete reference of telephone area codes for landlines worldwide. Search and browse area codes by country, region, or city for accurate dialing and phone number verification.
Font License Checker
Check font copyright and licensing information. Search popular fonts and their usage rights for commercial and personal projects.
World Clock
View current time in major cities worldwide. Compare time zones, schedule international meetings, and convert times across different regions.
ID Card Birthday Extractor
Extract birthday information from Chinese ID card numbers. Quickly parse date of birth, age, zodiac sign, and constellation from 15 or 18-digit ID numbers with validation.
English Name Generator
Generate random English names with first and last names. Perfect for testing, creative writing, character creation, and placeholder data with customizable gender options.
Chinese Name Generator
Generate random Chinese names with authentic surnames and given names. Perfect for testing, creative writing, character creation, and placeholder data with customizable gender options.
Phone Number Extractor
Intelligently extract and validate phone numbers from any text. Automatically detect and extract Chinese mobile numbers, landline numbers with area codes, and international phone numbers from documents, emails, web pages, or any text content. Features include format validation, duplicate removal, and batch export.
Random Number Generator
Generate cryptographically secure random numbers with customizable range, quantity, and sorting options. Perfect for lottery draws, games, statistical sampling, testing, password generation, and any scenario requiring truly random number generation with guaranteed fairness.
IP Address Extractor
Extract and validate IP addresses from text with intelligent parsing. Automatically detect, extract, and validate IPv4 and IPv6 addresses from logs, documents, network data, or any text content. Features include duplicate removal, format validation, and batch export.
Chinese Character Stroke Counter
Count strokes in Chinese characters with interactive stroke order animation and writing practice. Perfect for learning Chinese, calligraphy, dictionary lookup, and understanding character structure and complexity.
Random Length Text List Generator
Generate random text strings with customizable length and quantity instantly. Perfect for testing applications, creating placeholder data, mock content generation, UI testing, and database seeding.
URL Link Batch Generator
Generate multiple URLs with sequential numbering and customizable patterns instantly. Perfect for creating test URLs, generating link lists, batch URL creation, SEO testing, and web scraping preparation.