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You can use up to 30 hashtags per post. Using 20-30 is optimal for reach.
TikTok recommends 3-5 highly relevant hashtags per video.
Use 3-5 hashtags on LinkedIn for professional posts.
Twitter engagement is best with 1-3 relevant hashtags.
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The hashtag debate rages on, but here's the truth: optimal hashtag counts vary wildly by platform. Instagram allows up to 30 hashtags, but studies consistently show 5-15 perform better than maxing out. Using too many makes your posts look spammy and desperate. Using too few means you're leaving discoverability on the table.
TikTok operates differently. The algorithm prioritizes watch time over hashtags, so 3-5 targeted hashtags work best. More than that dilutes your content's focus and confuses the algorithm about who should see your video. Stick to hashtags directly relevant to your content and maybe one trending tag if it fits naturally.
Twitter recommends just 1-2 hashtags per tweet. More than that actually decreases engagement by 17% according to their own research. Your hashtags should add context, not dominate your message. LinkedIn follows a similar pattern—3-5 hashtags keep posts professional while maintaining discoverability.
Pinterest treats hashtags as search keywords rather than discovery tools. Use 2-5 descriptive hashtags that match what people actually search for. YouTube hashtags (max 15, but 3-5 recommended) appear above your video title, so choose them wisely. Facebook hashtags barely matter—use 0-2 if any.
Our hashtag counter helps you hit the sweet spot for each platform. Paste your hashtags, see your count, and get platform-specific recommendations. No more guessing whether you've gone overboard or left room for more reach.
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