What it is
The Thumbnail Regenerator module regenerates product image thumbnails in bulk in your PrestaShop store.
It is useful whenever you change your theme, add new image size definitions or need a bulk refresh, without reprocessing the original images.
You choose which products, which image types and which compression quality to use.
Key features
- Bulk thumbnail regeneration for all products or selected categories
- Support for all image types (JPEG, PNG, WebP)
- Preserves image quality during resizing
- Configurable output dimensions
- Preview before execution
- Real-time progress bar during processing
- Compatible with PrestaShop 8 and 9
Settings and customisation
- Choose to process all products or a specific category
- Set JPEG compression quality
- Select which image types to regenerate (product, category, manufacturer, etc.)
- Option to delete old thumbnails before regeneration
- Multistore support
When to use it
Every time you switch themes, modify image size settings in PrestaShop or add new image types, existing thumbnails are not updated automatically. This module regenerates all thumbnails without requiring you to re-upload the original images.
Use cases
- Switching themes
- Changing image size settings in PrestaShop
- Adding new image types
- Bulk refresh of thumbnails for a specific category
Benefits for the merchant
Correct thumbnail dimensions improve the appearance of your store and prevent technical issues caused by missing or mismatched thumbnails. The process runs from the back office.
Technical details
- No core file modifications required
- Compatible with shared hosting and VPS/dedicated servers
- Technical support and updates included
Frequently asked questions
When do I need to regenerate thumbnails?
When you change your theme, modify image size settings or add new image types.
Do I have to upload the images again?
No. Thumbnails are regenerated without reprocessing the original images.
Which image types are supported?
JPEG, PNG and WebP.
Can I process just one category?
Yes. You choose all products or a specific category, and you see a preview before execution.
Get in touch
If you are interested in the Thumbnail Regenerator module, or would like to discuss how to refresh the images of your store, contact us. We are here to help you find the best solution for your online store. You can also call us on +30 215 215 1362.