多功能工具专业版 – The All-in-One Free Utility Suite for Chinese Users

Get 34 essential tools completely free – advanced calculator, unit converter, QR code generator, world clock, joke generator, AI text enhancer, date difference, BMI calculator, password generator, color picker, Base64 encoder, random number generator, and more. Supports 25+ languages including Chinese. No ads, no subscriptions, no paywalls. Works offline. Perfect for students, professionals, and everyday users. Install once, use forever.
https://www.amazon.com/gp/product/B0H74XLQ89