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TikTok hashtag limit (2026)

TikTok caps the caption, not the hashtags. This page gives the limits from TikTok’s own Content Posting API reference (read 5 November 2026), how hashtags use that space, and how SkedCast checks a TikTok caption before it is scheduled.

By Angelina F. · Updated · 5 min read

Key takeaways

  • TikTok sets no maximum number of hashtags; hashtags and mentions count toward the caption.
  • A video caption through TikTok’s API is up to 2,200 characters, counted in UTF-16 units.
  • A photo post has a title of up to 90 characters and a description of up to 4,000.
  • A few relevant hashtags describe a video better than a long list of broad ones.
On this page

How many hashtags can you use on TikTok?

As many as fit in the caption. TikTok publishes no hashtag count limit, unlike Instagram’s Help Center limit of 5 per post or YouTube’s 60. Every hashtag, including the # sign, uses caption space, so a few long hashtags cost as much as many short ones. Count a draft with the TikTok character counter.

Illustration: a hand holds a phone showing a caption bar with three hashtag chips under a ruler, with a counter dial and music notes.
On TikTok the caption is the limit, not the hashtag count.

What is the TikTok caption limit?

TikTok counts in UTF-16 units, so most letters count as one and many emoji as two. Hashtags (#) and mentions (@) inside the caption are recognised when separated by spaces or new lines.

TikTok caption limits, Content Posting API reference, read 5 November 2026
Post typeFieldLimit
VideoCaption (title), with hashtags and mentions2,200 UTF-16 characters
PhotoTitle90 UTF-16 characters
PhotoDescription4,000 UTF-16 characters

How many hashtags should you use on TikTok?

Enough to say what the video is about: a tag or two for the topic, one for the niche or audience, and a branded one if you run a campaign. TikTok publishes no ideal number. Broad tags such as #fyp say nothing about the video. The TikTok hashtag generator suggests tags by topic, and the hashtag limits by platform page compares every network.

How does SkedCast check a TikTok caption?

The composer counts the caption the way TikTok does and stops a video caption over 2,200 characters before it can be scheduled. For a photo post, the caption’s first line becomes the title (up to 90 characters) and the rest the description. See the TikTok scheduler for formats and timing.

Diagram: write the caption with its hashtags, SkedCast counts it as TikTok does, splits a photo post into title and description, and flags anything over the limit before scheduling.
A TikTok caption checked before it is scheduled.

Sources

Last reviewed . Platforms and vendors change their rules and plans, so check the source before you rely on a figure.

TikTok hashtag limithow many hashtags on TikTokTikTok caption limitplatform limitsreference

FAQ

What is the maximum number of hashtags on TikTok?
TikTok sets no maximum number; hashtags count toward the caption limit instead.
What is TikTok’s caption character limit?
2,200 UTF-16 characters for a video caption through TikTok’s Content Posting API, including hashtags and mentions; a photo post has a 90-character title and a 4,000-character description.
Do hashtags count toward the TikTok caption limit?
Yes. Every character of a hashtag, including the # sign, counts the same as the rest of the caption.
How many hashtags should I use on TikTok?
A few relevant ones: the topic, the niche or audience, and a branded tag if you have one. TikTok publishes no ideal number.

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