Offline-First
All data lives in a local SQLite database, so billing keeps working without internet and customer data stays on the store's own machine.
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Full Stack
2026-01-20
JewelBill Pro — Jewellery Billing Desktop App
Offline-first desktop billing and inventory app for jewellery stores, with GST invoices, old-gold exchange, PDF invoices, WhatsApp sharing, and license management.
The Problem
Small jewellery stores need fast, GST-compliant billing that handles gold weights, making charges, and old-gold exchange, and keeps working without an internet connection.
The Solution
Built an Electron desktop app with a local SQLite database that handles the full billing workflow and generates professional PDF invoices.
Key Capabilities
- GST-compliant invoices with automatic CGST / SGST calculation.
- Old-gold exchange deductions and calculations based on gross / net weight and making charges.
- Professional PDF invoices with store logo, BIS Hallmark branding, UPI QR code, and amount in words.
- Dashboard for today's sales, invoice count, and recent transactions, plus product and customer management.
- One-click WhatsApp invoice sharing and keyboard shortcuts for fast billing.
- Machine-locked license activation, admin password protection, and data stored safely across app updates.
Technology Stack
ElectronSQLiteJavaScriptHTML5CSS3
Lessons Learned & Key Takeaways
JewelBill Pro taught me how to ship a desktop product: offline-first data storage, licensing, and a billing workflow fast enough for a busy shop counter.