Z-axis · 9 Handy Tools — Business & Life (EL/EN)

A pack of 9 handy browser tools for business and everyday life — bilingual (Greek & English, auto-detects your browser).

Just unzip and open index.html for a simple menu, then click any tool. Everything runs locally on your device — no install, no account, works offline.

Included:

• Profit margin & markup calculator
• - Work hours & payroll
• - Subscription tracker
• - Expense ratio calculator
• - Tip calculator & bill split
• - Study session planner
• - Reading list tracker
• - Airbnb host book
• - Rental property manager

Buy once, own forever.