Smart Tools: All in One Box

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!

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✨ 23+ SMART TOOLS AT YOUR FINGERTIPS
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🔍 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.

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🌟 WHY CHOOSE SMART TOOLS?
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✔ 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.

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📬 CONTACT & SUPPORT
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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

Recent changes:
• 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.