Yeahnope

🧮 Calculator – Supports basic arithmetic and scientific functions (sin/cos/tan/log/π/e, etc.) with automatic calculation history saving. 📏 Unit Converter – Covers 8 categories and 20+ units: length, weight, temperature, area, volume, speed, time, and data storage. 📝 Notes System – Create, edit, and delete notes; supports categorized management (Work/Personal/Study/Other) and encryption/locking. ⏱️ Timer – Multi-event timing and holiday countdowns; features vibration, sound alerts, and pop-up notifications upon completion. 🔐 Password Generator – Customizable length and character types, real-time strength analysis, and secure history storage. 📱 QR Code Tool – Customizable foreground/background colors and various templates; save directly to your device with one tap. 🎨 Color Tool – RGB/HSV color picker, HEX conversion, and color scheme generation; save your favorite colors. 📝 Text Tools – Base64 encoding/decoding, MD5/SHA256 hashing, JSON formatting, and character counting. 🎲 Random Tools – Random number generation, decision-making wheel, dice roller, and coin toss.