Simpinby Invoice Manager – GST Billing & PDF Invoice Plugin

Simpinby Invoice Manager – GST Billing & PDF Invoice Plugin is a clean, fast, and professional invoicing solution built directly for WordPress.

Create invoices, manage customers, apply GST/VAT or custom taxes, generate PDF invoices, send invoices via email, and manage billing — all from your WordPress dashboard.

Perfect for freelancers, agencies, consultants, service providers, and small businesses.

Smart Invoice Creation

• Create invoices with full customer details
• Auto search customers while creating invoices
• Auto search products while creating invoices
• Add multiple invoice items (rows)
• Automatic invoice number generation
• Custom invoice number prefix & padding

Flexible Tax, Discount & Multi-Currency

• GST / VAT / Custom tax support
• Create multiple tax rules
• Set default tax
• Discount support (flat or percentage)
• Multi-currency support (configurable from Display & PDF Settings)
• Accurate invoice calculations

Invoice Management System

• Invoice listing with pagination
• Advanced invoice filters:
  • Date range
  • Invoice number
  • Customer search
• Mark invoice as Paid / Unpaid
• Archive and Unarchive invoices
• Clean invoice status tracking

Professional PDF & Email Integration

• Download invoice as professional PDF
• Customizable PDF layout
• Send invoice via email with PDF attachment
• Display & PDF settings configuration
• Printable invoice format

Built for Performance

• Uses custom database tables for fast invoice management
• Secure invoice number generation (prevents duplicates)
• AJAX actions for Paid/Unpaid and Archive/Unarchive (no page reload)
• Lightweight and optimized code

Who Is This Plugin For?

• Freelancers
• Agencies
• Consultants
• Service providers
• Small businesses
• WordPress site owners who need internal billing

100% WordPress Based

No external SaaS required. Everything runs inside your WordPress website.

Pro Version (Coming Soon)

A Pro version is coming soon with advanced premium features including recurring invoices, automation tools, and enhanced reporting.

Support

Support Email: eternity.v.tech@gmail.com WhatsApp: +918981223617