Free Islamic Finance & Pro Dev Tools
Professional-grade calculators built on Halal principles and offline-first developer utilities. Run entirely in your browser. No signups, no data tracking, 100% private.
đ Islamic Financial Tools (100% Halal)
Zakat Calculator
Calculate your annual Zakat precisely according to Islamic guidelines based on Nisab.
Inheritance (Mawarith)
Simplified Islamic inheritance calculator for primary heirs.
Murabaha Calculator
Calculate cost-plus Halal financing installments. The interest-free alternative to loans.
Mudarabah Calculator
Calculate profit sharing and loss allocation in Islamic investment partnerships.
Halal ROI Calculator
Measure the profitability of your Halal investments and business ventures.
Islamic FIRE
Calculate your path to Halal Financial Independence and Early Retirement.
⨠Smart Utilities
Live Qibla Compass
Find the exact Qibla direction and calculate accurate prayer times offline.
Hijri Date Converter
Convert instantly between Gregorian and Hijri (Umm al-Qura) calendars.
Live Currency
Real-time currency converter supporting over 150 global currencies.
Image Compressor
Compress JPG/PNG images instantly without uploading them to any server.
Semantic PDF Search
Chat directly with your PDF documents securely in your browser.
Password Generator
Generate cryptographically secure passwords with customizable options.
đ¨âđģ Developer Tools
JSON Formatter
Format, validate, and minify JSON data instantly in your browser.
JWT Decoder
Decode and inspect JSON Web Tokens entirely offline.
Cron Generator
Build and understand cron expressions with an intuitive visual editor.
AI Prompt Builder
Craft optimized prompts for ChatGPT, Claude, and other AI models.
Why SmartCalcTools?
âĒī¸ Halal First
We refuse to build tools for Riba (Usury). All our financial calculators follow Islamic guidelines.
đ 100% Private
All calculations run locally in your browser. Your financial data never leaves your device.
⥠Lightning Fast
No server roundtrips. Get instant results as you type with modern web technologies.