Description
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
Screenshots
Dashboard page (summary and quick stats) 
Invoice listing page with filters and quick actions 
Create invoice page 
Invoice view page 
PDF invoice template preview
Installation
- Upload the plugin folder to
/wp-content/plugins/OR install from the WordPress Plugins screen. - Activate the plugin through the Plugins menu in WordPress.
- Go to Invoice Management from the WordPress admin menu.
- Configure settings from Invoice Management Settings.
- Configure currency and PDF display settings under Display & PDF Settings.
FAQ
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Does this plugin generate PDF invoices?
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Yes. You can download invoices as PDF from the invoice view page.
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Can I send invoice PDFs by email?
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Yes. You can send invoice PDF via email directly from WordPress admin.
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Does it support GST or VAT tax?
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Yes. You can create multiple tax rules including GST, VAT, or custom taxes.
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Does it support multiple currencies?
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Yes. Multi-currency support is available from Display & PDF Settings.
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Which currencies are supported?
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Simpinby Invoice Manager supports the following currencies:
• ₹ Indian Rupee (INR)
• $ US Dollar (USD)
• € Euro (EUR)
• £ British Pound (GBP)
• د.إ UAE Dirham (AED)
• ﷼ Saudi Riyal (SAR)
• $ Canadian Dollar (CAD)
• $ Australian Dollar (AUD)You can configure your preferred currency from the Display & PDF Settings section.
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Can I change invoice number prefix?
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Yes. You can set invoice number prefix and padding from Settings.
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Does it support recurring invoices?
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Recurring invoices will be available in the Pro version.
Reviews
Contributors & Developers
“Simpinby Invoice Manager – GST Billing & PDF Invoice Plugin” is open source software. The following people have contributed to this plugin.
Contributors
Translate “Simpinby Invoice Manager – GST Billing & PDF Invoice Plugin” into your language.
Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
Changelog
1.0.1
- Initial release
- Invoice create, listing, view
- PDF download support
- Email sending support
- GST/VAT + discount support
- Multi-currency support
- Paid/Unpaid and Archive/Unarchive actions