Free Developer, AI, Cloud & Business Utilities Suite
High-performance browser tools built with IIT Patna AI & Systems engineering. Zero registration, zero tracking, instant results.
Free Mobile App & Website Cost Estimator
Calculate exact development costs for iOS, Android, and web applications. Compare agency pricing vs QuantumRho 60% OFF Launch packages.
Free System Architecture & Cloud Designer
Generate production software blueprints, data-flow pipelines, and Mermaid.js diagrams for Next.js, PostgreSQL, AI OCR, and cloud architectures.
Free Website & Competitor Tech Stack Scanner
Inspect the frameworks, CMS, and servers for any website. Compare your current setup against modern QuantumRho Next.js 15 architecture.
Free GST, VAT & Input Tax Credit Reconciler
Calculate CGST, SGST, IGST, and international VAT rates with instant Input Tax Credit (ITC) reconciliation for small businesses and freelancers.
Free Website Speed ROI & Lost Revenue Simulator
Model how much revenue your business loses to slow page speeds. Calculate the payback timeline of upgrading to a sub-50ms web platform.
Free Master Services (MSA) & 99.9% SLA Generator
Generate legally sound Master Services Agreements (MSA) and 99.9% Uptime Service Level Agreements (SLA) with print-ready PDF export.
Free JSON to TypeScript & Zod Schema Converter
Convert raw JSON API payloads into clean TypeScript interfaces, type definitions, and Zod runtime schemas in real-time.
Free Zero-Trust CSP & Security Header Generator
Generate strict Content-Security-Policy (CSP), HSTS, and X-Content-Type-Options headers for Next.js 15, Nginx, and Apache in seconds.
Free WhatsApp Business Link & QR Code Maker
Create custom wa.me direct chat links with pre-filled messages and downloadable high-res vector QR codes for packaging, counters, and posters.
Free AI Invoice & Receipt PDF Parser
Upload scanned receipts, PDF bills, or purchase orders and extract line items, taxes, GSTIN, and totals in 1.2s. Export to Excel (.csv) or JSON for free.
Free Website Speed & Core Web Vitals Audit
Audit any website URL against Google Core Web Vitals. Discover server TTFB, mobile rendering bottlenecks, and estimated revenue lost to slow page load times.
Free Website SEO Audit & Meta Tag Analyzer
Audit any website URL for Google ranking health: Title tags, Meta descriptions, OpenGraph social card previews, and indexability errors in seconds.
Free Business Proposal & Client Quote Maker
Draft client proposals with phased milestones, scope deliverables, pricing breakdown, and signature blocks in seconds with print-ready PDF.
Free NDA & Confidentiality Agreement Maker
Generate legally compliant Mutual or 1-Way Non-Disclosure Agreements for software ideas, vendor discussions, and client engagements with print-ready PDF.
Free Privacy Policy & Terms of Service Maker
Generate GDPR, CCPA, and Google Play / Apple App Store compliant Privacy Policies and Terms of Service agreements in seconds.
Free AI Prompt Studio & Token Cost Estimator
Craft system prompts, calculate exact token consumption, and compare monthly API expenses across OpenAI GPT-4o, Claude 3.5, and Gemini 1.5.
Free UTM Campaign URL Builder & QR Creator
Generate custom tracked campaign links for Google Analytics 4, Meta Ads, and email marketing with 1-click copying and printable QR codes.
Free Multi-Device Responsive Viewport Tester
Test any website URL across iPhone 16 Pro, Samsung Galaxy, iPad, and desktop viewports in real-time with zoom controls.
Free Startup Runway & Cash Burn Modeler
Calculate your startup net burn rate, remaining cash runway months, and projected zero-cash date in seconds.
Free Google JSON-LD Schema Markup Generator
Generate valid schema.org structured data for Google Search rich stars, FAQs, Local Business listings, and product snippets in seconds.
Free App Icon & Favicon Suite Resizer
Generate Apple Touch icons (180x180), Android Chrome PWA icons (192x192, 512x512), and browser tab favicons with 1-click download.
Free AWS & GCP Cloud Cost Savings Scanner
Analyze your AWS, Google Cloud, or Azure monthly bill. Identify idle compute, unattached storage, and calculate how to slash 35% to 60% with zero downtime.
Free SQL Query Performance & Index Optimizer
Analyze slow SQL queries for PostgreSQL, MySQL, and SQLite. Detect missing indexes, table scans, and subquery bottlenecks with sub-10ms rewrites.
Free Website Security & SSL Vulnerability Test
Test any website for missing HTTP security headers (CSP, HSTS, CORS), clickjacking vulnerabilities, and SSL cipher grade in seconds.
Free GST & VAT Invoice Maker (PDF Export)
Create professional tax invoices online with custom logos, automated GST/VAT calculations, line items, and instant PDF download with zero watermarks.
Free Zero-Trust Password & API Key Generator
Generate high-entropy alphanumeric passwords, base64 API keys, and 256-bit cryptographic secrets securely inside your browser with Web Crypto API.
Free Freelance & Project Rate Calculator
Calculate your target hourly rate, day rate, and 2-week project quotes based on your desired annual revenue, overhead, and profit margin.
Frequently Asked Questions — Free Developer & Business AI Tools Suite
Our multi-modal neural vision OCR engine achieves 99.4% field-level extraction accuracy. It automatically detects and structures complex line-item tables, GSTIN/VAT numbers, dates, sub-totals, and currency codes even on low-resolution mobile photos and skewed PDFs.