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 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.

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.

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

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.

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

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.

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.

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

Generate random temperatures and save the results to a file

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

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.

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.

Free browser speech synthesis tool based on Web Speech API for real-time text-to-speech conversion. Supports Chinese and multiple languages, integrated with Microsoft voice technology. No download or installation required, use directly in browser. Suitable for learning assistance, accessibility reading, content presentation and other scenarios. Provides high-quality online TTS service.

Free online text case converter tool. Quickly convert English letters to uppercase or lowercase. Simple operation, instant conversion, improve text processing efficiency.

Free online title case converter tool. Supports Title Case, Sentence Case, Smart Title formatting and other conversion modes. Bulk process multiple lines of text, simple operation, improve writing and editing efficiency. Suitable for article titles, news headlines, content formatting and other scenarios.