PDF Tools India — pdftoolsindia.com (React + Vite)

120+ free, privacy-first PDF, Image, Video, Business, Education and Tamil tools built for India. All tools execute client-side in the browser (Merge, Split, Watermark, Invoices, Receipts, Salary Slips, Exam Photo Resizer, Tamil Typing, Pomodoro Study Timer, Land Converter) with zero forced data upload and device-local privacy.

Features & Architecture

• Framework: React 18 SPA built with Vite and Tailwind CSS.
• Client-Side PDF Processing: Browser-based PDF manipulation (merging, splitting, watermarking, images-to-PDF) powered by pdf-lib.
• Tamil Language & Transliteration:
  • Full Tamil and English UI with instant language toggle.
  • Tanglish phonetic transliteration (vanakkam -> வணக்கம், nandri -> நன்றி).
  • Bamini/TSCII legacy fonts to modern Unicode converter.
  • Number to Words converter in both English and Tamil words (e.g. 1,25,000 -> ஒரு லட்சத்து இருபத்தைந்தாயிரம் ரூபாய் மட்டும்).
• Business & Office Tools:
  • GST Invoice, Quotation, Cash Bill & Purchase Order generator with state tax split (CGST+SGST or IGST), round-off, and print/PDF export.
  • Receipts & Vouchers (Rent receipt with landlord PAN for HRA proof, tuition fee, cash receipt, payment voucher).
  • Salary Slip (Monthly payslip with basic, HRA, PF 12%, ESI, professional tax, LOP deductions).
  • Formal Leave Application Letter generator in Tamil, English, and Bilingual format.
  • Income Tax Calculator comparing Old vs New Tax Regime side-by-side for FY 2026-27 with rebate u/s 87A.
  • EMI & Loan Repayment Calculator with amortization breakdown.
  • GST Calculator (Add/Remove GST with 5%, 12%, 18%, 28% slabs).
• Exam & Image Tools:
  • Exam Photo & Signature Resizer with presets for TNPSC, UPSC, SSC, IBPS, and NEET.
  • Image compressor with quality tuning and before/after size readout.
  • Image format converter (JPG ⇄ PNG ⇄ WEBP).
• Audience Hubs:
  • Government Employees Hub: DA/DR Arrears calculator, salary slip, leave letter, income tax comparison.
  • Students Hub: Pomodoro study timer, TNEA engineering cut-off calculator, exam photo resizer.
  • Farmer Toolbox: TNAU rice fertilizer dosage (Urea, DAP, MOP), knapsack spray ratio, and crop economics.
  • Kalvi Kalanjiyam: Classes 1–10 Samacheer syllabus quiz games and science/math concepts.
  • Matrimony & Marriage Biodata: Sri Chowdeshwari Thirumana Amaippagam and printable biodata maker.

Development & Build

# Start development server on port 3000
npm run dev

# Compile TypeScript and build for production
npm run build

# Preview production build
npm run preview