Top 10 viral hashtags Best viral hashtags popular on Instagram , Twitter, Facebook, TikTok: #viral - 45% # trending - 9% #explorepage - 8% Use these hashtags to boost your Instagram Reels ’ reach and engagement. Each hashtag caters to different trends and interests, making your content discoverable to a broader audience. Get creative, stay consistent, and watch your Reels go viral! Use one of these sets of hashtags in your next instagram post and you'll see a big boost. Related hashtags to reels that have the most posts we could find. Trending hashtags for # reels . The number after hashtag represents the number of instagram posts for that hashtag.