Hashtag cube is an online platform that will help you to create the perfect hashtag. It also gives you insights on what hashtags are trending. The site offers the ability to search and analyse existing hashtags and it's free of charge.
You can easily find and use hashtags for your posts in order to increase your chances of being seen. It's not just the most popular hashtags that Hashtag cube is useful for though; it also includes less popular ones which could be big hits!