Free online random phone number generator supporting 208 countries. Batch generate realistic virtual phone numbers with custom prefix, suffix, and country code. Export to Excel or TXT instantly.

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.

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

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

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.

Convert Chinese Yuan amounts between numeric and uppercase Chinese formats online. Supports both directions, handles yuan/jiao/fen units automatically, and follows official financial document standards. Free to use.

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.

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.

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.

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

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.

Comprehensive Windows 10 and 11 keyboard shortcut guide covering copy, paste, switch, refresh, screenshot, and other essential commands to boost productivity and efficiency.

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

Preview videos online by entering a URL—no download needed. Supports MP4, WebM, and other common formats. Quickly verify video links for developers, creators, and testers.

Free online math drill tool for grades 1–4. Practice addition, subtraction, multiplication, and division with auto-grading and history tracking. Boost calculation skills anytime.

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

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

A professional free online electronic signature maker offering both hand-drawn and text-generation modes. It operates entirely locally in your browser, ensuring no data is uploaded for maximum privacy. Features include customizable brush colors, sizes, and calligraphy fonts with advanced stroke algorithms. Easily export as transparent PNG or white-background JPG for Word, PDF, and contract signing.

Preview images online by entering a URL—no download required. Supports common formats and helps quickly verify image links for developers, designers, and creators.

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.

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 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.

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

Preview audio online by entering a URL—no download needed. Supports MP3, WAV, OGG, and other common formats. Quickly verify audio links for developers, creators, and testers.

Avoid unnecessary downloads! Preview images, videos, audio, PDFs & text files directly in your browser. Just enter a URL—save time and storage. Supports common formats.

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.

Professional online tool to generate software multi-instance batch scripts for Windows. Easily create custom .bat files for WeChat, QQ, and more. Enter the app path and instance count to generate, copy, or download scripts instantly. Increase productivity by managing multiple accounts safely. A free, user-friendly automation tool designed for seamless software cloning on your PC.

Free online Chinese and English punctuation converter. Switch between full-width and half-width symbols instantly with real-time text highlighting updates.

Free online screen color picker. Click to sample any color on your screen and instantly get HEX, RGB, HSL, HSV, and CMYK values. One-click copy for designers and developers.

Add pinyin above Chinese text in textbook ruby style. 8 formats: tone marks, Bopomofo and more. Export as image, rich text, or HTML code. Free to use online.

Free online color format converter supporting HEX, RGB, HSL and RGBA conversion. Features a visual color picker, preset swatches, real-time preview, and one-click copy for each format.

Practice arithmetic online with addition, subtraction, multiplication, and division. Choose ranges and question counts, get instant feedback, review results.