Life

Batch Geocoding (Address to Coordinates)

Convert batch addresses to latitude/longitude coordinates; supports text paste and Excel upload/export; up to 500 entries per batch.

Mobile Number Online Status Checker

Query a mainland China mobile number's carrier network status and number-porting information.

Pace Calculator

Accurately calculate your average running pace and split times based on your distance and time.

Batch Coordinate to Address Converter

Batch reverse geocode latitude and longitude coordinates into detailed addresses. Supports Excel upload and export, processing up to 500 records per batch.

Keyboard APM Test

Measure your effective keystrokes per minute to evaluate typing speed and accuracy. Ideal for programmers and writers.

Bulk Phone Number and Name Verification

Bulk verify phone number and name matches. Ideal for financial risk control, user registration, and identity verification scenarios.

Classical Chinese Copybook Generator

Instantly format classic Chinese texts to generate printable handwriting practice templates with multiple grid styles and export options.

Chinese Character Tracing Worksheet Generator

Instantly generate custom Chinese character tracing worksheets for kids aged 3-6. Features stroke order breakdowns and Tianzige grids for handwriting practice.

Geographic Coordinate Converter

The geographic coordinate converter supports accurate conversion between WGS84, GCJ02, and BD09 coordinate systems to fix map location offsets.

TV Size and Viewing Distance Calculator

Quickly calculate the recommended TV size range based on your viewing distance and resolution.

Random Spanish Name Generator

Generate authentic Spanish names with custom surnames and batch quantities. Perfect for creative writing and language learning.

Mobile Number Vacancy Checker

Check whether a mainland China mobile number is active, vacant, suspended, risky, or silent, with carrier and location details.

Pre-Writing Pencil Control Worksheet Generator

Create printable tracing worksheets for toddlers and preschoolers. Customize line patterns, grid size, and colors, then export as a high-resolution PNG or PDF.

Microphone Tester

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.

Bulk Random IP Generator

Bulk generate random IPv4/IPv6 addresses with support for custom subnets and CIDR formats. Ideal for network testing and data simulation.

Chinese Character Tracing & Word Practice Worksheet Generator

Designed for first- and second-grade Chinese learners. Choose from built-in character lists or add your own, then instantly create tracing and word-building worksheets. Export as PNG or PDF.

TV Size Calculator

Input TV diagonal inches, instantly calculate screen width, height, area and recommended viewing distance.

University Search

Enter a university name to quickly access official information including degree levels, location, and governing bodies.

Bulk Mobile 3-Element Verification

Batch verify the consistency of ID, name, and phone numbers to prevent fraud and fake information.

City Wind Speed & Direction Checker

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