Query
A collection of free online query tools, providing various practical query tools such as IP address attribution query, mobile number attribution query, ID information verification, domain name WHOIS query, postal code query, express logistics query, DNS query, etc. The data is updated in real time, and the query results are accurate and reliable.
Xiehouyu
Xiehouyu Sayings
Common Chinese two-part allegorical sayings. Front hint, back meaning, by category.
Timezone
Time Zone Lookup
World city time zones and live local time. Add multiple ticking city clocks.
SQL
SQL Cheat Sheet
Offline SQL reference: syntax templates and examples for SELECT/INSERT/UPDATE/DELETE/JOIN.
Paper Size
Paper Size Reference
ISO A/B/C and US paper sizes in mm and inches, with typical uses.
Nutrition
Food Nutrition Lookup
80+ common foods per 100 g: kcal, protein, fat, carbs, with bar-chart compare.
Idioms
Chinese Idiom Dictionary
Common Chinese idioms with pinyin, definitions and example sentences.
CSS Props
CSS Properties Cheat Sheet
Offline CSS property reference with values and examples by category.
Countries
World Country Finder
60+ countries with capital, language, dialing code and TLD. Card grid, instant lookup.
Constellation
Zodiac Sign Finder
All 12 signs: dates, element, ruling planet, keywords and matches. Birthday lookup included.
Area Codes
International Dialing Code Lookup
Search country dial codes and UTC offsets by nation or region.
IP
IP Address Lookup
Look up IP geolocation online: your own IP is detected automatically, and any IP can be queried in detail