In addition to the extension already mentioned you might also be interested in the Magento 2 Product Grid Inline Editor. Same as the mentioned extension it has the category filtering feature that allows you to filter products by category in the product grid.
Besides, once you filter products by category you can edit their information in a minute, saving much time. Other features of Magento 2 product Grid Inline Editor are the following:
- Faster Product Editing Process
- 7 Attribute Types Support
- Single Product Attribute Updating
- Multiple Attribute Editing in Seconds
- Quick Quantity Update
- Filter Products by Category
- Product Grid Filters
- Drag and Drop Columns
- Mass Attribute Set Change
- Grid Templates Saving
Hope this is helpful)