Free Web Utilities & SaaS Accelerators
Free Online Developer & Business Tools
Fast, 100% free browser-based utilities. Calculate GST & loan EMIs, generate QR codes, create PDF invoices, check exact ages, and scan receipt text using AI OCR.
GST & Sales Tax Calculator
Calculate Net Amount, CGST, SGST, IGST, and Gross Invoice Total instantly for services & products.
Tax Breakdown Summary
State Tax / CGST: ₹900.00
Central Tax / SGST: ₹900.00
Integrated Tax / IGST: ₹1800.00
Total Gross Invoice Amount:
Loan EMI & Interest Calculator
Estimate your Equated Monthly Installment (EMI), total interest payable, and total loan payback schedule.
Loan Repayment Estimate
Total Principal: ₹50,000.00
Total Interest Payable: ₹12,986.00
Total Payable (Principal + Interest): ₹62,986.00
Monthly EMI Payment:
Exact Age & Date Breakdown
Calculate exact age in years, months, and days based on your birth date.
Current Age Result
Free Instant QR Code Generator
Create high-resolution scannable QR codes for websites, landing pages, or custom text links.
Scannable QR Code
Free Online Invoice PDF Creator
Generate itemized billing invoices, calculate amounts, and download print-ready PDF invoices directly from your browser.
| Item Description | Qty | Rate (INR) | Amount |
|---|---|---|---|
| ₹45,000.00 |
Total Payable Invoice Value:
AI Invoice & Receipt OCR Scanner
Upload an image or receipt file. Our client-side AI Tesseract OCR engine extracts totals, dates, invoice numbers, and text metadata with 100% data privacy!
Drag & Drop Image or Click to Upload
Supports PNG, JPG, JPEG receipts & documents
All-in-One Utility Suite for Businesses & Developers
Applizor provides high-performance client-side utility tools designed to simplify financial calculations, invoice creation, QR generation, and document text extraction for software engineers, agency owners, and finance teams.
100% Client-Side Privacy
Your financial figures, customer receipt images, and generated invoices remain completely local in your web browser. No server logging or external data retention.
Multi-Currency Support
Seamlessly switch between INR (₹), USD ($), EUR (€), and GBP (£) across tax calculations, loan EMI repayment estimates, and invoice downloads.
Zero Signup Required
No login, API keys, or registration required. Access all 6 web utilities instantly with unthrottled browser speed and zero usage limits.
Got Questions?
Frequently Asked Questions
Everything you need to know about Applizor's free tools & web utilities.
Are these developer and business tools completely free to use?
Yes, 100% free! All utilities—including the GST calculator, loan EMI estimator, instant QR code builder, invoice PDF generator, age calculator, and OCR scanner—are completely free with no user signup or hidden charges.
Is my uploaded receipt data secure when using the OCR Scanner?
Yes. Our AI OCR scanner processes text using Tesseract.js directly inside your web browser. Your uploaded image or document remains client-side on your device and is never uploaded or saved to remote cloud servers.
Can I generate and download PDF invoices directly?
Yes. Simply input your company details, client name, item descriptions, rates, and click "Download PDF Invoice". A formatted printable PDF document will open ready for instant download or printing.
Which currencies are supported by the calculators?
The tools support major currencies including Indian Rupee (INR ₹), US Dollar (USD $), Euro (EUR €), and British Pound (GBP £).
Need Custom SaaS Software or AI Automation?
Applizor Softech builds production-grade SaaS systems, custom Web applications, n8n AI workflow automations, and enterprise platforms tailored to your business needs.