Slide through all the filters at the bottom until you get to the magnifying glass at the end.Click on the ‘Your Story’ bubble at the top.Open Instagram and head to the homepage.If you’re looking for a Pride Filter, the best place to go is Instagram. Pride Filter All the best Pride Filters on Instagram Its available on both the iOS and Android App Store and is a really easy way to add a rainbow to your pictures. To do this, all you have to do is download an app called Pride Filter.