Simpinby Invoice Manager – Billing & Invoicing

Simpinby Invoice Manager 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, and send invoices via Email or messaging apps — all from your WordPress dashboard.

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

Invoice Sharing Feature

• Share invoices instantly with customers
• One-click share option from invoice view page
• Supports sharing via WhatsApp and other messaging apps
• Pre-filled message with invoice number, amount, and link
• Works on both mobile (app) and desktop (web)

Example Message:
Hello, your invoice #123 is ready.
Amount: ₹5000
View: https://yourwebsite.com/invoice/123

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

1. Upload the plugin folder to /wp-content/plugins/ OR install from the WordPress Plugins screen.
2. Activate the plugin through the Plugins menu in WordPress.
3. Go to Invoice Management from the WordPress admin menu.
4. Configure settings from Invoice Management → Settings.
5. Configure currency and PDF display settings under Display & PDF Settings.

1. 

   Dashboard page

2. 

   Invoice listing page

3. 

   Create invoice page

4. 

   Invoice view page with share option

5. 

   PDF invoice preview

1.4.0

• Fixed: Plugin name to comply with WordPress guidelines
• Improved: Invoice sharing feature (supports WhatsApp)
• Tested with WordPress 7.0
• Minor bug fixes and performance improvements

1.3.0

• Added: Invoice sharing feature
• Improved UI and usability

1.0.1

• Initial release