https://woocommerce.com/products/bulk-table-editor-for-woocommerce/

Bulk updates stock, price, sale price, sale start date, and sale end date.Bulk set fixed price and sales price.Bulk round prices upwards, downwards and to logical decimals like 19.70.Bulk clear sales.Bulk delete products.Bulk update featured products, SKU, tags, backorders, stock status, weight, length, width, and height.Easy to understand progress bar when saving new products.SKU generation and other functions to create unique SKUs on products and variations. Option to have SKU on Editor home.Column that shows sales by percent.Category selector.Active sales filter.

Changelog

* Fixes in the queries, functions for this and more to increase speed

* Added integration for WooCommerce Brands

* Added bulk functions to add, set and remove brands (option in settings to enable)

* Added mulitselect filter for Brands

* Included Brands in linked products (below SKU)

* Fixes in JS for filters

* Added option in settings to search (text and sku) in current selected categories (database search)

* Minor fixes in UI - added action buttons in box, made range filter smaller