Create ProfessionalGST Invoicesin Seconds
OKBill App simplifies invoice generation for Indian businesses. Manage multiple businesses, create GST-compliant invoices with product codes, and print in A4/A5 formats instantly.
Create GST Invoices Using Product Codes
Save time by assigning a numeric code for each item you sell. Simply enter the code and quantity to generate invoices instantly.
Try it yourself
Invoice #INV-001
GST CompliantEverything You Need for Professional Invoicing
OKBill App is packed with features designed specifically for Indian businesses to create GST-compliant invoices quickly and efficiently.
Multiple Business Management
Manage invoices for multiple businesses from a single app. Switch between businesses seamlessly.
Product Code System
Assign unique codes to products. Create invoices instantly by entering product code and quantity.
Lightning Fast
Generate professional invoices in seconds. No complex forms or lengthy processes.
GST Compliant
All invoices are fully GST compliant with proper tax calculations and formatting.
Flexible Printing
Print or share invoices in A4 or A5 paper sizes. Perfect for any business need.
Mobile Optimized
Designed for mobile-first usage. Create invoices anywhere, anytime.
Stock & Inventory Tracking
Keep track of product stock levels in real time. Automatically decrease inventory as you bill.
Customer Database
Maintain a directory of customers, view purchase histories, and manage contact details for faster invoicing.
Sales & Billing Reports
Analyze your business performance with detailed sales reports. Track daily, weekly, and monthly sales trends.
Why Choose OKBill App?
Join thousands of Indian businesses who trust OKBill App for their invoicing needs.
Save 90% Time
Create invoices in seconds instead of minutes with our product code system.
Reduce Errors
Automated GST calculations eliminate manual errors and ensure compliance.
GST Compliance
Stay compliant with Indian GST regulations with built-in tax calculations.
Multi-Business
Manage invoices for multiple businesses from one convenient app.
Beautiful Invoice Templates
Choose from multiple professionally designed templates that make your business look professional.
Classic Business
Professional template with clean layout
Modern Minimal
Sleek design with modern typography
Corporate Style
Formal template for corporate businesses
Ready to Simplify Your Invoicing?
Join thousands of Indian businesses already using OKBill App to create professional GST-compliant invoices.
No registration required • Works offline • Completely free