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• 23+ All-in-One smart offline utility tools. • Added On-Device AI: Smart Entity Extractor (QR/OCR/Barcode), Color Harmonies & Password Auditor. • Added Pedometer (Step Counter) & Kalman-filtered Level Tool. • Real-time OSHA hearing safety in Sound Meter. • Full Android 15 Edge-to-Edge support, performance & memory optimizations.
23+ Offline Utilities: QR Scanner, Compass, Ruler, Sound Meter & Calculators
Smart Tools: All in One is your ultimate pocket utility box, packing 23+ essential everyday tools and intelligent on-device AI helpers into one single, lightweight, and 100% offline application. Replace dozens of cluttering single-purpose apps with one powerful, battery-efficient Swiss Army knife for your phone! ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✨ 23+ SMART TOOLS AT YOUR FINGERTIPS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔍 SCANNER & SMART AI TOOLS • QR Code Scanner: Ultra-fast QR reader with AI Smart Actions (1-tap dial, email, UPI copy, WiFi auto-connect). • QR Code Generator: Create custom QR codes for WiFi, WhatsApp, URLs, Contacts & Text. • Barcode Scanner: Instantly scans EAN, UPC & Product codes with 1-tap web search. • Text Scanner (OCR): Extract editable text from photos instantly with On-Device AI and export as PDF/TXT. • Color Detector & Harmonies: K-Means AI extracts dominant palettes from photos and suggests Color Wheel harmonies (Complementary, Triadic, Monochromatic) + WCAG contrast ratings. • Password AI & Security Vault: Generates cryptographically secure passwords and audits security using Shannon Entropy and offline brute-force crack-time estimation. 📐 MEASUREMENT & SENSORS (KALMAN FUSION) • Spirit Level & Inclinometer: Precision 2D bubble level with Kalman Filter sensor fusion for ultra-stable surface slope (%) and angle readout. • Digital Compass: High-accuracy directional dial with azimuth degree and magnetic bearing. • Sound Decibel Meter: Live acoustic analyzer with OSHA/NIOSH auditory safety exposure advisor. • Metal & EMF Detector: Detects ferromagnetic metals and electromagnetic radiation using magnetic sensors. • Screen Ruler: Accurate dual-unit (MM, CM, Inch) caliper for measuring small physical objects. 🧮 CALCULATORS & CONVERTERS • Smart Calculator: Clean math expressions calculator with calculation history log. • Unit Converter: Instant conversions across 7 categories (Length, Weight, Temperature, Digital Storage, Speed, Area, Volume). • Age Calculator: Calculates exact age in years, months, days, plus countdown to your next birthday. • BMI & Health Calculator: Body Mass Index calculator with health category insights. • Discount & Tip Calculator: Calculate sales discounts, restaurant tips, and split bills easily. ⚡ DAILY UTILITIES & HEALTH • Step Counter & Pedometer: Offline tri-axial accelerometer peak detection tracking steps, distance (km), active time, and calories burned. • Image to PDF Converter: Convert multi-page camera photos and gallery images into high-quality PDF documents. • Secure Notes & Vault: Biometric-protected offline notepad for sensitive thoughts, passwords, and records. • Super-Bright Flashlight: High-power LED torch with Police Strobe, SOS, and Screen Light modes. • Digital Magnifier (Loupe): HD zoom magnifying glass with torch support for reading small text. • Stopwatch & Precision Timer: Millisecond-precision lap timer and countdown tool. • Digital Tally Counter: Multi-purpose click counter with vibration feedback and custom target goals. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🌟 WHY CHOOSE SMART TOOLS? ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✔ 100% Offline & Private: No internet required for core tools; zero personal data leaves your device. ✔ Modern 3D Glassmorphism UI: Beautiful, intuitive, and responsive design with full Dark Mode support. ✔ Lightweight & Battery Friendly: Highly optimized code ensures minimal battery and RAM consumption. ✔ Quick Access Favorites: Pin your most used tools to the top for 1-tap instant launching. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📬 CONTACT & SUPPORT ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Developed with ❤️ by Samriva Labs. • Website: https://rajneedubey.github.io • Support Email: rajnee.dubey1987@gmail.com • Privacy Policy: https://rajneedubey.github.io/SmartTools/policy.html • Terms of Service: https://rajneedubey.github.io/SmartTools/terms.html