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Active SessionOffline-First Mode
WhypaperBill POS

POS & Inventory Simulator

Test the blazing-fast capabilities of our offline-first local billing system. Run a busy checkout queue, apply dynamic GST configs, print compliance thermal receipts, and audit transactions in our local sales register.

Beverages

Masala Chai

₹30GST 5%
Beverages

Cold Brew Coffee

₹120GST 5%
Beverages

Café Latte

₹90GST 5%
Snacks

Samosa (2 pcs)

₹40GST 5%
Snacks

Paneer Tikka Roll

₹150GST 5%
Snacks

Club Sandwich

₹110GST 5%
Bakery

Chocolate Chip Cookie

₹60GST 18%
Bakery

Blueberry Muffin

₹80GST 18%
Bakery

Croissant

₹95GST 18%
Grocery

Jeera Grains (500g)

₹180GST 0%
Grocery

Premium Basmati Rice

₹220GST 0%
Grocery

Assorted Spices Pack

₹340GST 12%

Active Checkout Basket

Basket is empty. Select items from the menu to start billing.

Offline Local Sales Registry (Database Log)

This panel simulates the local SQLite/WatermelonDB device log embedded in WhypaperBill. It is fully operational and saves records offline on the machine's memory during checkout.

Total Generated Invoices
2 Invoices
GST Tax Registry Collections
₹44.40
Total Offline Net Revenue
₹524.40
Invoice IDCustomer DetailsPurchased ItemsTax SetupTotal BillingPayment ModeNetwork State
INV-2026-052901Rahul Sharma98765432102026-05-29 18:42
Masala Chai (2x)
Paneer Tikka Roll (1x)
Active (₹10.5)₹220.50UPI Sync Done (Local DB)
INV-2026-052902Priya Patel91234567892026-05-29 20:15
Blueberry Muffin (3x)
Cold Brew Coffee (1x)
Active (₹33.9)₹303.90Cash Sync Done (Local DB)