Calculate income tax, resident tax, deductions and social insurance

Hello everyone working or planning to work in Japan! 👋
I'm excited to launch Pateday – a Japan salary tax calculator updated with newest tax laws! 🎉 🔥
URL: https://pateday.com
Key Features:
✅ Accurate income tax calculation (所得税) with progressive tax rates
✅ Resident tax calculation (住民税) by prefecture
✅ Comprehensive deductions (basic, spouse, dependent, insurance)
✅ Social insurance calculation (health, pension, employment)
✅ Multilingual support: Vietnamese, English, Japanese
✅ Mobile-friendly, intuitive interface

Please try it out and share your feedback with me so I can improve this website.