Prestashop Tidy - Cleaning, Optimization and Speed Up      
https://codecanyon.net/item/prestashop-tidy/18965736
Cleanup
- delete old abandoned carts
 
- delete old connections stats
 
- delete old search stats
 
- delete old email logs
 
- delete old logs
 
- delete old guests with no addresses
 
- delete old customers with no addresses (useful if your shop suffered from bots registering fake accounts)
 
- delete old guests with no addresses
 
- delete old customers with no orders – new feature 12.03.2020
 
- delete old guests with no orders – new feature 12.03.2020
 
- delete expired specific prices from products
 
- delete expired vouchers
 
- delete unused feature values and empty features – new feature 11.03.2020
 
- clear all cache
 
   
You can set number of days to only delete data older than this setting (but not for cache, it gets cleared totally).
Data consistency
- regenerate friendly URL’s for products (for all languages)
 
- regenerate friendly URL’s for categories
 
- set products’ cheapest combinations as default
 
Fix images
- delete products’ broken images (the ones that appear as question marks)
 
- delete unused image files (cleans all leftovers in the img/p/ folder along with empty folders)
 
- set first image as cover for products without cover
 
- set product’s cover as it’s first image
 
- delete temporary images
 
Fix associations
- set product’s deepest category as default
 
- assign all products to parent categories (usefull if some products are assigned only to some deep categories, but you want them to appear also in parent categories)
 
- assign all customer groups to all categories
 
Mass activation and deactivation
- deactivate active categories without active products
 
- deactivate active products not assigned to any active categories
 
- activate inactive categories with active products
 
- deactivate active manufacturers without active products
 
- activate inactive manufacturers with active products
 
  
You can also automate each of the above operations with cron tasks, making your shop clean itself on a daily basis.