QuantifyX – Min Max Quantity Manager for Products

QuantifyX is a lightweight yet powerful WooCommerce plugin that allows store owners to define minimum and maximum purchase quantities for both simple products and product variations.

This plugin ensures customers cannot purchase below or above defined limits, improving inventory control, bulk selling strategies, and order consistency.

Key Features

• Set minimum quantity per product
• Set maximum quantity per product
• Set min/max quantity per variation
• Automatic fallback from variation to parent product
• Real-time frontend validation using JavaScript
• Server-side validation for full security
• Dynamic UI updates on variation selection
• Displays minimum quantity on shop/archive pages
• No settings required – works directly in product editor
• Lightweight and optimized for performance
• Applied on Unlimited products no need to buy pro verison

Use Cases

• Wholesale stores enforcing bulk orders
• Limited stock items with purchase caps
• B2B platforms with minimum order quantities
• Promotional campaigns with quantity restrictions

How It Works

1. Admin sets min/max quantity on product or variation level
2. On product page:
   • Quantity input updates dynamically
   • Minimum label is shown
3. On add-to-cart:
   • JavaScript prevents invalid submissions
4. On cart/checkout:
   • Server-side validation ensures rules are enforced

Technical Details

• Uses WooCommerce hooks and filters
• Data stored as post meta:
  • _min_qty
  • _max_qty
• JavaScript handles dynamic UI updates
• PHP enforces server-side validation

Security

• Sanitized input using intval()
• Escaped output using esc_html() and esc_attr()
• No direct access allowed (ABSPATH checks)
• Server-side validation prevents bypass

Performance

• No database overhead
• No external API calls
• Minimal JavaScript footprint
• Loads only on product pages

Future Roadmap

• Global quantity rules
• Category-based quantity limits
• Bulk editing support
• REST API integration
• Analytics dashboard

Support

For support or feature requests, please contact the developer.

License

This plugin is licensed under the GPLv2 or later.

This means you are free to:
– Use
– Modify
– Distribute

Credits

Developed by Infinite Innovate

Tags

woocommerce quantity limit, min max quantity woocommerce, product quantity control, woocommerce validation plugin