While you might use Magento mass actions to edit product attributes faster, they don't work so well in the multi-language setup. You have to edit or translate product attributes within one store view only. 

To edit or translate Magento product attributes for all store views at once, you need — Magento Translation Extension.

Edit All Fields at Once: Form

To edit or translate all product attributes for multiple store views at once:

1. Navigate to Catalog > Products and select the product you'd like to edit the attributes for.

2. Press the Translate button at the top menu right corner, which appears once you install the Translation extension.

Translate Product in Magento

3. Edit or translate product attributes for each store view you see in the flyout menu.

4. Press the Save button (it saves the product) and check the changes on the storefront.

Product Translation in Magento

Edit Separate Fields: Popup

In case you want to edit or translate some particular product attribute, look for the Translate link. It is available under the product attributes that have the Per Store View values.

Edit Product Attributes for Multiple Store Views

Once you press it, you can edit or translate the selected value and Save it.

Edit Product Attributes for All Store Views

Now, there is no need to switch between store views, trying to translate or edit product attributes. Magefan Translator makes editing and translation more concise and effective, showing you all store views at once.

Auto Translate Products

If you use the Magento Translation Plus edition, you can also auto-translate products and categories in Magento via the same pop-ups and forms.

auto translate products data magento