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.

The Chinese Character to Pinyin Converter is a free online tool supporting multi-pronunciation mode, neutral tone marking, tone sandhi, and numeric tone annotations. VIP users can enjoy unlimited conversions.

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 '*'.

A platform for searching Chinese idioms with multiple query methods, supporting keyword search, pinyin search, first character search, etc., to help users quickly find the meaning, origin, and example sentences of idioms.

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

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.

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.

Enhance your math skills with interactive exercises for Grade 1 to 4. Practice addition, subtraction, multiplication, and division in a fun way!

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.

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

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