Calcon - Calculators & Tools

59+ free calculators & tools. GST, EMI, SIP, PDF & image tools. Works offline.

Calcon brings 59+ free tools and calculators into one fast, offline-first
app — no sign-up, no ads, and nothing you type ever leaves your device.

From GST and income tax to SIP, EMI, and PDF tools, everything works
instantly and offline. Built for India.

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💰 FINANCIAL CALCULATORS
GST Calculator · Income Tax Calculator (FY 2026-27, old vs new regime) · EMI
Calculator · SIP Calculator · PPF · FD · RD · Salary/CTC · HRA · TDS ·
Gratuity · NPS · Sukanya Samriddhi · Compound Interest · CAGR and more.

🩺 HEALTH & MATH
BMI · BMR · Calorie · Pregnancy Due Date · Percentage · Age Calculator ·
Scientific Calculator and more.

🎓 EDUCATION
CGPA to Percentage · GPA · Marks Percentage and more.

📄 PDF TOOLS
JPG to PDF · Merge PDF · Split PDF · Rotate PDF · Remove Pages — all
processed on your device.

🖼️ IMAGE TOOLS
Image Resizer · Image Converter · Image Cropper · Image to Text (OCR,
works offline in English, Hindi & Marathi).

🛠️ DEVELOPER & TEXT TOOLS
JSON Formatter · Regex Tester · Base64 · Color Picker · CSS Gradient ·
QR Code Generator · Password Generator · Word Counter · WhatsApp Link
Generator and more.

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✅ WHY CALCON
- 100% Free — no ads, no hidden charges
- No sign-up, no login — open and use instantly
- Works offline — most tools need no internet
- Privacy-first — your calculations and files stay on your device
- Indian-focused — GST, tax slabs, PPF, and schemes built for India
- Instant results with clear visual breakdowns and charts
- Save your favorite tools and calculations for quick access

Whether you're a student, salaried professional, business owner, developer,
or just need a quick calculation — Calcon has a tool for it, all in one
place.

Download Calcon and get things done — free, offline, and private.