How to use the TikTok Caption Generator
- Say what the video is about. Type the topic as it would read in a sentence, such as "my 5 minute breakfast" or "packing an order".
- Choose tone and goal. The tone picks the hook. The goal picks the body and a TikTok call to action such as "follow for part 2" or "link in bio".
- Watch the opening. TikTok shows only a short opening before "more". Drafts with a hook that runs past about 80 characters are flagged.
- Copy, edit, post. Copy a draft, change it to match what happens in the video, and add a few hashtags if you want them.
Writing for TikTok, not just shortening an Instagram caption
What changes for TikTok
The bank is shared with the Instagram Caption Generator, but the calls to action are TikTok ones: follow for part 2, duet this, comment a keyword, link in bio. Length is counted in UTF-16 units because that is how TikTok's API measures the caption, so an emoji costs 2.
Viewers mostly watch rather than read on TikTok. The caption works best as a short hook that adds context the video does not say out loud, and as plain words for search.
Sources
The 2,200 limit and its counting unit are from TikTok's Content Posting API reference, the same source as the TikTok Caption Checker on this site. The role of captions in recommendations is from TikTok's own description of how the For You feed works. The fold length is an observation, not a documented figure.
Frequently asked questions
How long can a TikTok caption be?
A video caption can be up to 2,200 characters counted in UTF-16 units, per the TikTok Content Posting API reference checked October 2026. Most letters count as 1 and most emoji as 2, so a caption full of emoji fills up faster. Each draft shows its count in that unit.
How much of a TikTok caption shows before "more"?
Only the opening. In our observation it is around 80 characters on a phone, but it depends on the screen and TikTok does not document it. That is why the hooks here are short and come first.
Does the caption affect who sees my TikTok?
TikTok says video information such as captions, sounds and hashtags is one of the signals it uses for recommendations, alongside how people interact with the video. A caption that plainly says what the video shows helps viewers and search. This tool makes no claim about views.
Is this made with AI?
No. It assembles drafts from a written bank of hooks, body lines and TikTok calls to action, with your topic filled in. It runs in your browser, has no limit and sends nothing anywhere.