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 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.

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 '*'.

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.

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

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

Generate random temperatures and save the results to a file

Our periodic table tool helps you quickly reference and understand detailed information about chemical elements, including atomic numbers, symbols, names, atomic weights, and electron configurations.

Online GPS map coordinate conversion with batch processing support. Save results to a file. WGS84 to GCJ02, GCJ02 to WGS84, GCJ-02 to BD-09, BD-09 to GCJ-02.

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.

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

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.

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.

An efficient online tool for text deduplication, supporting multiple separators to quickly remove duplicate lines and improve text processing efficiency.