The Facebook Ads Library allows you to filter ads based on a variety of criteria, including ad format, platform, and region. To filter ads, simply click on the "Filters" button in the search bar, and select the criteria that you want to use. This will bring up a list of ads that match your filters. You can also use the search bar to search for specific keywords or phrases related to your niche or industry. This will help you find ads that are more relevant to your target audience.