AI Caption Generator for TikTok

TikTok now weights caption hooks almost as much as the first 1.5 seconds of video. This page returns short, punchy captions built around the five hook formulas that consistently break out of the FYP.

What this generator does for TikTok

5 hook formulas

Contradiction, specific number, open loop, direct address, question + payoff.

100–150 chars

The proven length band — longer captions cut into your video preview.

3–5 niche tags

FYP reads the first 3 hashtags as topic signals. Mix two niche + one trend.

TikTok best practices (2026)

  • Hook in line 1. Get the contradiction or specific in the first 60 characters.
  • Skip hashtag spam. More than 5 hashtags signals low quality to the FYP recommender.
  • Reply to comments fast. Comment velocity in the first hour boosts FYP exposure.

TikTok FAQs

How long should a TikTok caption be?+

100–150 characters is the proven sweet spot in 2026.

How many hashtags do I need on TikTok?+

3–5 — including one trending tag and two niche descriptors.

Does the generator know TikTok trend audio?+

It writes captions matched to your topic; trend audio is selected separately in the app.

Other platforms

Related guides

Deep-dives that pair with this page — strategy, examples and templates.