Hashtag guides

How hashtags work on each major platform right now, and how to write tags people can actually read. Every guide lists its sources, and platform rules are dated because they change.

By platform

  1. ReferenceHashtag Limits by Platform in 2026: X, Instagram, TikTok and MoreHow many hashtags each platform allows as of November 2026: Instagram 5, TikTok 5, Threads 1, YouTube 60, X and LinkedIn no cap. With sources and dates.
  2. Platform guideHow Hashtags Work on X (Twitter) in 2026How hashtags work on X as of November 2026: what makes a valid tag, how many to use, how they count toward 280 characters, and why fewer tags now read better.
  3. Platform guideInstagram Hashtags in 2026: The 5-Tag Limit ExplainedInstagram now allows 5 hashtags per post and Reel. What changed in December 2025, how to choose five good tags, and where to put them in your caption.
  4. Platform guideTikTok Hashtags in 2026: The Five-Tag Limit and How to ChooseTikTok has shown a five-hashtag limit since August 2025. What we know, what TikTok has not confirmed, and how to pick five useful tags for a video caption.
  5. Platform guideLinkedIn Hashtags in 2026: Do They Still Do Anything?LinkedIn removed hashtag following in 2024 but hashtags still link to search. How many to use in 2026, where to put them and when to leave them out.
  6. Platform guideThreads Topic Tags: How the One-Tag Rule WorksThreads allows one topic tag per post, 1 to 50 characters, with no periods or ampersands. How tags work on Threads in 2026 and how to pick the right one.
  7. Platform guideYouTube Hashtags: The 60-Tag Rule and the Three Above Your TitleYouTube ignores every hashtag on a video with more than 60, and shows up to three near the title. How YouTube hashtags work in 2026 and how many to use.

Writing better hashtags

  1. AccessibilityAccessible Hashtags: Why CamelCase Matters for Screen ReadersHow screen readers handle hashtags, why #ThrowbackThursday beats #throwbackthursday, and a checklist for writing hashtags everyone can read and hear.
  2. CraftBranded Hashtags: How to Create One People Will Actually UseHow to create a branded hashtag in 2026: naming rules, checking for clashes and double meanings, CamelCase, and using one tag consistently across platforms.
  3. CraftEvent Hashtags: How to Pick, Announce and Use OneHow to choose an event hashtag for a conference, wedding, meetup or launch: checking it is free, keeping it short, announcing it early and following it live.