Categories

Generate

Random Password QR Code Screen Record Range Number Lab UUID Batch Forge Random Grouping

Image

Offline Watermark Image Compress QR Content Reader Barcode Canvas

Encrypt

Text MD5 File MD5 HMAC Hash SHA Hash AES Cipher Rabbit Cipher DES / 3DES RC4 Cipher Base64 Unicode Convert URL Encode

Time

Timestamp Date Calculation World Time Business Day Offset Multi-Line Time Converter

Convert

Unit Switchboard

Finance

English Amount Draft Number Sheet Summary Loan Payment Planner

Text

RMB Uppercase List Cleanup Emoji Cleaner CN ID Check Chinese Script Switch Pinyin Transcriber Pluralize English Case CN/EN Spacing Trim Text Regex Test Markdown to HTML

Dev

JSON Format JSON Type Sketch CSS Format JavaScript Format HTML Format SQL Format Cron Schedule Naming Gearbox Color Format Bridge WebSocket Test Go Struct / JSON Less to CSS Base Conversion

正在加载工具...

正在准备这个工具的工作区和参数面板。

© 2026 窝工具

CN ID Check

Validate Mainland China 18-digit ID numbers and extract birthday, age, and gender details.

18-digit validation

Birthday and age

Region prefix

CN ID check

ID validation

Validate a Mainland China 18-digit ID number and extract birthday, age, gender, and region prefix info.

ID number

Enter an 18-digit ID number.