Life

Check your microphone status online with real-time volume waveforms. Supports device switching and test sound playback to ensure your audio input is working perfectly.

Search a static set of Chinese university names by province, type and recorded tags.

A real-time multi-city weather comparison tool providing key metrics like temperature, humidity, wind speed, and air quality.

Get real-time wind speed and direction data for Chinese cities, featuring unit toggling and azimuth angle display.

Professional Noise Detector: A/C/Z Weighting, Spectrum Analysis, Data Export

Check real-time weather and future forecasts for cities worldwide, including key metrics like temperature and humidity.

Test your gamepad buttons, joysticks, triggers, and vibration online. Quickly diagnose controller performance issues.

Enter your foot length in centimeters to instantly find matching China, EU, US, and UK shoe sizes—so you can shop international footwear with confidence.

Test headphones with microphone loop: frequency response sweep curves, channel balance & phase, THD distortion measurement, save and export test reports.

Lookup standard dimensions for common ID and passport photos, including pixels, millimeters, and usage requirements, to quickly create compliant photos.

Play, parse, and debug MIDI files or hex data online. Features event log analysis and instant music playback to assist in music production and development.

Free online kids' shoe size conversion chart. Quickly match US, UK, EU, and CN children's shoe sizes by entering foot length in centimeters.

Accurately find addresses and phone numbers for couriers like SF Express and ZTO for fast package drop-offs and pickups.

Quickly search the periodic table to get detailed element properties and chemical formulas.

Provides a quick online comparison and conversion tool for international kids' clothing sizes, including US, UK, EU, China, Japan, and Korea.

Test your webcam's functionality, video quality, and performance. Supports multiple devices and real-time filter effects.

Accurately check the 24-hour hourly precipitation data for prefecture-level and above cities in China.

View centimeter and millimeter scales full screen, drag the measuring line to read values, and calibrate the screen ratio with a standard bank card.

Browse Chinese recipe records by Chinese category or dish name with English controls.

Enter a 17-digit VIN to decode over 40 vehicle specs, including make, model, and year. Perfect for used car inspections and more.