by Touhid Zaman
5 (1 reviews)
Smart Auto SKU Generator for WooCommerce
Automatically generate unique, category-based SKUs for WooCommerce products with bulk processing and smart formatting.
Tested up to WP 6.8 (Current: 6.9)
v1.1.2
Current Version v1.1.2
Updated 6 months ago
Last Update on 09 Jul, 2025
Synced 9 hours ago
Last Synced on
Rank
#18,504
—
No change
Active Installs
70+
+29.6%
KW Avg Position
69
-0.7 better
Downloads
498
+2 today
Support Resolved
0%
—
No change
Rating
100%
Review 5 out of 5
5
(1 reviews)
Next Milestone 80
70+
80+
195
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Tracked Keywords
Showing 3 of 3| Keyword | Position | Change | Type | Updated |
|---|---|---|---|---|
| sku | 25 | — | Tag | 13 hours ago |
| inventory | 58 | — | Tag | 13 hours ago |
| generator | 124 | — | Tag | 13 hours ago |
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- Version
- 1.1.2
- Last Updated
- Jul 09, 2025
- Requires WP
- 5.0+
- Tested Up To
- 6.8
- PHP Version
- 7.4 or higher
- Author
- Touhid Zaman
Support & Rating
- Rating
- ★ ★ ★ ★ ★ 5
- Reviews
- 1
- Support Threads
- 0
- Resolved
- 0%
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Frequently Asked Questions
Common questions about Smart Auto SKU Generator for WooCommerce
Examples:
- Category ID 15 with prefix "XY": 15XY01, 15XY02, 15XY03
- Category ID 8 with prefix "AB": 08AB01, 08AB02, 08AB03
- Category ID 42 with prefix "CD": 42CD01, 42CD02, 42CD03
The format ensures:
- Uniqueness: Each SKU is unique across your entire catalog
- Organization: Easy to identify product categories
- Scalability: Supports thousands of products per category
- Readability: Human-readable and searchable format
Can I change the SKU length after generation?
Yes! You can change the SKU length at any time:
Go to WooCommerce → Auto SKU Generator
Select new SKU length (6-12 characters)
Save settings
The plugin will automatically adjust existing plugin-generated SKUs
Important Notes:
- Only plugin-generated SKUs are automatically updated
- Manual SKUs remain unchanged unless "Overwrite Existing" is enabled
- Longer SKUs support more products per category
- Changes are applied immediately to new products
What happens to existing SKUs when I install the plugin?
By default, existing SKUs are protected:
Plugin-generated SKUs: Never overwritten automatically
Manual SKUs: Preserved unless "Overwrite Existing" is enabled
Empty SKU fields: Automatically filled with new SKUs
Duplicate detection: Prevents conflicts with existing SKUs
To overwrite existing SKUs:
1. Enable "Overwrite Existing SKUs" in settings
2. Run bulk generation
3. All products will get new SKUs
I'm getting "Invalid or duplicated SKU" errors. What should I do?
Common causes and solutions:
1. Products without categories:
- Assign categories to all products
- Check for orphaned products
- Use bulk edit to assign categories
2. Duplicate SKUs in database:
- Run duplicate detection in settings
- Manually resolve conflicts
- Use "Overwrite Existing" to regenerate all SKUs
3. Invalid category IDs:
- Ensure category IDs are 1-99 (for 2-digit format)
- Check for deleted categories
- Reassign products to valid categories
4. Database issues:
- Check database permissions
- Verify WooCommerce tables exist
- Enable logging for detailed error information
**Configuration Questions**
- Category ID 15 with prefix "XY": 15XY01, 15XY02, 15XY03
- Category ID 8 with prefix "AB": 08AB01, 08AB02, 08AB03
- Category ID 42 with prefix "CD": 42CD01, 42CD02, 42CD03
The format ensures:
- Uniqueness: Each SKU is unique across your entire catalog
- Organization: Easy to identify product categories
- Scalability: Supports thousands of products per category
- Readability: Human-readable and searchable format
Can I change the SKU length after generation?
Yes! You can change the SKU length at any time:
Go to WooCommerce → Auto SKU Generator
Select new SKU length (6-12 characters)
Save settings
The plugin will automatically adjust existing plugin-generated SKUs
Important Notes:
- Only plugin-generated SKUs are automatically updated
- Manual SKUs remain unchanged unless "Overwrite Existing" is enabled
- Longer SKUs support more products per category
- Changes are applied immediately to new products
What happens to existing SKUs when I install the plugin?
By default, existing SKUs are protected:
Plugin-generated SKUs: Never overwritten automatically
Manual SKUs: Preserved unless "Overwrite Existing" is enabled
Empty SKU fields: Automatically filled with new SKUs
Duplicate detection: Prevents conflicts with existing SKUs
To overwrite existing SKUs:
1. Enable "Overwrite Existing SKUs" in settings
2. Run bulk generation
3. All products will get new SKUs
I'm getting "Invalid or duplicated SKU" errors. What should I do?
Common causes and solutions:
1. Products without categories:
- Assign categories to all products
- Check for orphaned products
- Use bulk edit to assign categories
2. Duplicate SKUs in database:
- Run duplicate detection in settings
- Manually resolve conflicts
- Use "Overwrite Existing" to regenerate all SKUs
3. Invalid category IDs:
- Ensure category IDs are 1-99 (for 2-digit format)
- Check for deleted categories
- Reassign products to valid categories
4. Database issues:
- Check database permissions
- Verify WooCommerce tables exist
- Enable logging for detailed error information
**Configuration Questions**
Go to WooCommerce → Auto SKU Generator
Click "Show Category Prefixes"
Enter custom 2-letter prefixes for each category
Leave blank to use automatic prefix (first 2 letters of category name)
Examples:
- Electronics category: "EL" (instead of "EL")
- Clothing category: "CL" (instead of "CL")
- Books category: "BK" (instead of "BO")
Is this plugin compatible with my WordPress version?
Compatibility Requirements:
- WordPress: 5.0 or higher
- PHP: 7.4 or higher
- WooCommerce: 4.0 or higher
- MySQL: 5.6+ or MariaDB 10.1+
Tested Compatibility:
- WordPress: 5.0 - 6.8
- WooCommerce: 4.0 - 8.0
- PHP: 7.4 - 8.3
- Major browsers: Chrome, Firefox, Safari, Edge
Does this plugin work with product variations?
Yes! The plugin handles both simple products and variations:
Simple Products:
- Generate unique SKUs automatically
- Follow category-based format
- Support bulk generation
Product Variations:
- Generate SKUs for parent products
- Option to generate for individual variations
- Maintain parent-child relationship
- Prevent SKU conflicts between variations
Variation Settings:
- Configure variation SKU generation in settings
- Choose between parent-only or individual variation SKUs
- Set custom prefixes for variation types
**Performance Questions**
Click "Show Category Prefixes"
Enter custom 2-letter prefixes for each category
Leave blank to use automatic prefix (first 2 letters of category name)
Examples:
- Electronics category: "EL" (instead of "EL")
- Clothing category: "CL" (instead of "CL")
- Books category: "BK" (instead of "BO")
Is this plugin compatible with my WordPress version?
Compatibility Requirements:
- WordPress: 5.0 or higher
- PHP: 7.4 or higher
- WooCommerce: 4.0 or higher
- MySQL: 5.6+ or MariaDB 10.1+
Tested Compatibility:
- WordPress: 5.0 - 6.8
- WooCommerce: 4.0 - 8.0
- PHP: 7.4 - 8.3
- Major browsers: Chrome, Firefox, Safari, Edge
Does this plugin work with product variations?
Yes! The plugin handles both simple products and variations:
Simple Products:
- Generate unique SKUs automatically
- Follow category-based format
- Support bulk generation
Product Variations:
- Generate SKUs for parent products
- Option to generate for individual variations
- Maintain parent-child relationship
- Prevent SKU conflicts between variations
Variation Settings:
- Configure variation SKU generation in settings
- Choose between parent-only or individual variation SKUs
- Set custom prefixes for variation types
**Performance Questions**
Recommended Limits:
- SKU Length 6: Up to 1,000 products per category
- SKU Length 8: Up to 10,000 products per category
- SKU Length 10: Up to 100,000 products per category
- SKU Length 12: Up to 1,000,000 products per category
Performance Features:
- Background processing for large catalogs
- Batch processing to prevent timeouts
- Memory optimization for low-resource servers
- Progress tracking for long operations
Large Catalog Tips:
- Use longer SKU lengths for scalability
- Enable background processing
- Process in smaller batches if needed
- Monitor server resources during generation
Will this plugin slow down my website?
No, the plugin is optimized for performance:
Performance Features:
- Background processing prevents frontend slowdowns
- Minimal database queries during normal operation
- Caching of frequently accessed data
- Optimized algorithms for SKU generation
Resource Usage:
- Memory: Minimal impact (typically < 5MB)
- Database: Efficient queries with proper indexing
- CPU: Background processing spreads load
- Frontend: No impact on customer-facing pages
Best Practices:
- Run bulk generation during low-traffic periods
- Use background processing for large catalogs
- Monitor server resources during initial setup
- Enable logging only when troubleshooting
Can I import/export my SKU settings?
Yes! The plugin includes comprehensive import/export functionality:
Export Features:
- Export all SKU generation settings
- Include category-specific prefixes
- Backup configuration before changes
- JSON format for easy sharing
Import Features:
- Import settings from backup files
- Validate imported data
- Merge with existing settings
- Rollback to previous configurations
Backup Management:
- Automatic backup before major changes
- Manual backup creation
- Restore from any backup point
- Export backups for safekeeping
**Technical Questions**
- SKU Length 6: Up to 1,000 products per category
- SKU Length 8: Up to 10,000 products per category
- SKU Length 10: Up to 100,000 products per category
- SKU Length 12: Up to 1,000,000 products per category
Performance Features:
- Background processing for large catalogs
- Batch processing to prevent timeouts
- Memory optimization for low-resource servers
- Progress tracking for long operations
Large Catalog Tips:
- Use longer SKU lengths for scalability
- Enable background processing
- Process in smaller batches if needed
- Monitor server resources during generation
Will this plugin slow down my website?
No, the plugin is optimized for performance:
Performance Features:
- Background processing prevents frontend slowdowns
- Minimal database queries during normal operation
- Caching of frequently accessed data
- Optimized algorithms for SKU generation
Resource Usage:
- Memory: Minimal impact (typically < 5MB)
- Database: Efficient queries with proper indexing
- CPU: Background processing spreads load
- Frontend: No impact on customer-facing pages
Best Practices:
- Run bulk generation during low-traffic periods
- Use background processing for large catalogs
- Monitor server resources during initial setup
- Enable logging only when troubleshooting
Can I import/export my SKU settings?
Yes! The plugin includes comprehensive import/export functionality:
Export Features:
- Export all SKU generation settings
- Include category-specific prefixes
- Backup configuration before changes
- JSON format for easy sharing
Import Features:
- Import settings from backup files
- Validate imported data
- Merge with existing settings
- Rollback to previous configurations
Backup Management:
- Automatic backup before major changes
- Manual backup creation
- Restore from any backup point
- Export backups for safekeeping
**Technical Questions**
HPOS Compatibility:
- Declared compatibility with HPOS
- Tested with latest WooCommerce versions
- No conflicts with order storage systems
- Maintains performance with HPOS enabled
Cart & Checkout Blocks:
- Compatible with WooCommerce blocks
- Works with modern checkout experiences
- No interference with block functionality
- Maintains SKU generation during checkout
Can I customize the SKU generation algorithm?
Advanced customization options:
Hooks and Filters:
- smart_auto_sku_generator_sku_format - Customize SKU format
- smart_auto_sku_generator_prefix - Modify prefix generation
- smart_auto_sku_generator_increment - Customize numbering
- smart_auto_sku_generator_validation - Add custom validation
Code Examples:
`php
// Custom SKU format
add_filter('smart_auto_sku_generator_sku_format', function($format, $product) {
return 'CUSTOM-' . $product->get_category_ids()[0] . '-' . $product->get_id();
}, 10, 2);
// Custom prefix generation
add_filter('smart_auto_sku_generator_prefix', function($prefix, $category) {
return strtoupper(substr($category->name, 0, 3));
}, 10, 2);
`
How do I troubleshoot SKU generation issues?
Step-by-step troubleshooting:
1. Enable Logging:
- Go to plugin settings
- Enable "Log SKU Generation Activities"
- Check WordPress debug log for errors
2. Check Prerequisites:
- Verify WooCommerce is active
- Ensure products have categories
- Check PHP version compatibility
- Verify database permissions
3. Common Issues:
- No SKUs generated: Check category assignments
- Duplicate errors: Run duplicate detection
- Timeout errors: Use background processing
- Permission errors: Check file/database permissions
4. Advanced Debugging:
- Enable WordPress debug mode
- Check error logs for detailed information
- Use browser developer tools for AJAX errors
- Contact support with error details
- Declared compatibility with HPOS
- Tested with latest WooCommerce versions
- No conflicts with order storage systems
- Maintains performance with HPOS enabled
Cart & Checkout Blocks:
- Compatible with WooCommerce blocks
- Works with modern checkout experiences
- No interference with block functionality
- Maintains SKU generation during checkout
Can I customize the SKU generation algorithm?
Advanced customization options:
Hooks and Filters:
- smart_auto_sku_generator_sku_format - Customize SKU format
- smart_auto_sku_generator_prefix - Modify prefix generation
- smart_auto_sku_generator_increment - Customize numbering
- smart_auto_sku_generator_validation - Add custom validation
Code Examples:
`php
// Custom SKU format
add_filter('smart_auto_sku_generator_sku_format', function($format, $product) {
return 'CUSTOM-' . $product->get_category_ids()[0] . '-' . $product->get_id();
}, 10, 2);
// Custom prefix generation
add_filter('smart_auto_sku_generator_prefix', function($prefix, $category) {
return strtoupper(substr($category->name, 0, 3));
}, 10, 2);
`
How do I troubleshoot SKU generation issues?
Step-by-step troubleshooting:
1. Enable Logging:
- Go to plugin settings
- Enable "Log SKU Generation Activities"
- Check WordPress debug log for errors
2. Check Prerequisites:
- Verify WooCommerce is active
- Ensure products have categories
- Check PHP version compatibility
- Verify database permissions
3. Common Issues:
- No SKUs generated: Check category assignments
- Duplicate errors: Run duplicate detection
- Timeout errors: Use background processing
- Permission errors: Check file/database permissions
4. Advanced Debugging:
- Enable WordPress debug mode
- Check error logs for detailed information
- Use browser developer tools for AJAX errors
- Contact support with error details