Generate random phone numbers in bulk that conform to phone number formats. Supports 208 countries and regions worldwide and allows customization of number prefixes and suffixes. Supports copying and saving results to text or Excel.

Powerful and easy-to-use online Chinese idiom (Chengyu) dictionary. Search idioms by first character, Pinyin (with/without tones), or containing words. Quickly find Pinyin, detailed meanings, origins, and examples to help you learn and use Chinese idioms effectively.

Powerful free online tool to convert Chinese characters (Hanzi) to Pinyin. Supports multiple styles including Pinyin with tones (zhōng), tone numbers (zhong1), initials, Bopomofo, Wade-Giles, and more. Handles heteronyms, custom separators. A great helper for learning and processing Chinese Pinyin.

Real-time Gaokao countdown with official MOE exam dates. Custom timer for CET/Postgraduate exams. Precision time management tool for 10M+ Chinese students

Online tool for converting between Simplified and Traditional Chinese, Hong Kong Traditional, Taiwan Traditional, Taiwan dialect, and Japanese Shinjitai.

An online tool for detecting sensitive words in text. Lists all detected sensitive words and replaces them with '*'.

Online RMB amount conversion, supporting conversion between Chinese written amount and numeric lowercase amount.

Powerful online random name generator and picker tool. Generate unique Chinese or English names from a vast list. Customize surname, gender, name length, and export your random name list (e.g., 500, 1000 names) to Excel or TXT.

Explore our interactive Periodic Table to find chemical elements with their atomic number, symbol, name (including Chinese Pinyin for learners), atomic mass, and classification (metals/nonmetals). A great tool for chemistry students and enthusiasts.

Free online tool to convert coordinates between WGS84 (GPS), GCJ02 (Mars Coordinates/Chinese State Bureau of Surveying and Mapping), and BD09 (Baidu Coordinates). Batch process latitude and longitude data accurately. A handy utility for map development and GIS tasks.

Format text paragraphs, support automatic line breaks at numbered points, and organize line breaks and spaces.

Calculate earnings per second, minute, and hour with our Real-time Income Calculator. Track income growth live, visualize time's value, and gain financial insights.

Generate random temperatures and save the results to a file

List of 985, 211, and Double First-Class universities in China. Query the university list.

Fun and interactive online math practice tool for children in Grades 1-4. Practice arithmetic, get instant feedback, track history, and improve math skills easily.

An online tool to count words and characters in English and Chinese. Supports space and newline inclusion settings.

Discover information on the start and end dates, significant events, notable figures, and more from the extensive five thousand years of history in China.

This tool enables easy access to national capital information, enhancing your global geographic knowledge for study, work, and travel purposes.

Free online text deduplication tool. Supports custom separators (line break, space, comma, etc.) to split and deduplicate text. Easily remove duplicate lines or content, with an option to remove empty lines. Improve your text processing efficiency.