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Free tool

TikTok caption generator

To write a TikTok caption, type what the post is about and this generator gives several caption starters, each built as a short, punchy, hook-first line built for the first second of a video. They come from templates, not AI, so pick the one closest to your voice, add your own details and links, then post or schedule it. TikTok posts take up to 2,200 characters.

Generate TikTok caption ideas

Type what the video is about and pick the line closest to your voice, then edit it.

Template-based suggestions, not AI-written — pick one and edit it to fit.

Type a topic above to see caption suggestions.

How long can a TikTok caption be?

2,200 characters when the caption is posted by an app, which is how every scheduler posts. TikTok’s developer documentation says a video caption’s maximum length is 2,200, and that hashtags and mentions in it are recognised where spaces or new lines separate them. The TikTok app itself accepts longer captions, but TikTok does not document that figure:

TikTok caption limits by where you post (2026)
Where you postCaption limitSource
Posted by an app or scheduler (TikTok’s API)2,200 charactersTikTok for Developers
Typed in the TikTok appLonger; commonly reported as 4,000 charactersNot documented by TikTok
Scheduled in SkedCast2,200 characters, hashtags and mentions includedSkedCast’s TikTok rules
Illustration: a phone showing a short video with a play button above a caption card whose first line glows teal under a hand-held wand, with hashtag shapes, a music note, a heart and a comment bubble around it.
The first line of a TikTok caption does most of the work.

Check a draft with the free TikTok character counter.

How do you write a good TikTok caption?

Lead with the reason to keep watching, because viewers see only the first line or two before the caption folds. A caption that works usually has:

  • A hook in the first line that matches the first second of the video.
  • The words people would search for, since TikTok search reads captions.
  • One clear ask: a question to answer in the comments, a follow, or a save.
  • A few relevant hashtags at the end, not a wall of them.
  • A length that fits the video: a line or two for a quick clip, more for a tutorial or story.

How many hashtags should a TikTok caption have?

TikTok sets no separate hashtag limit; hashtags simply count toward the caption’s characters. Three to five specific hashtags that describe the video tell TikTok more than a long list of broad ones, and leave room for the words that sell the video. Find relevant ones with the free TikTok hashtag generator.

Can AI write TikTok captions?

Yes. This free generator uses caption templates, so its suggestions are a starting point you edit. Inside SkedCast’s composer, AI drafts a caption from your idea and rewrites one you have written, and you can keep a separate caption for each network, with 25 AI credits a month on the free plan. Read every AI caption before it goes out: you know your audience and your product better than any model.

How do you use the TikTok caption generator?

  1. Describe what you’re posting about. Type a short topic or product description related to your TikTok post — a few words is enough.
  2. Read the TikTok captions. Each result fills your topic into a different caption formula built for TikTok’s tone and typical caption length.
  3. Pick the closest match. Scan the list for the hook and structure closest to what you actually want to say on TikTok.
  4. Edit before you post. These are starting points, not finished captions — add your own specifics, links and voice before publishing.
  5. Copy and schedule. Copy the caption in one click, then paste it into SkedCast’s composer and schedule your TikTok post.

What are the TikTok rules to know?

The limits SkedCast’s composer checks for TikTok before a post goes out, read from the same rules table the composer uses.

Text limit2,200 characters
How length is countedAs you see it: one emoji or accented letter counts as one character
HashtagsNo hashtag cap enforced
Where the caption is cut off in the feedNot truncated in the feed
Text-only postsNot allowed: every post needs an image or video
Links in the textNo link-preview card
First commentNot offered for this platform
Feed crop9:16 in the feed preview
Imagesup to 35 per post · JPEG, WEBP, PNG

Good to know

  • TikTok cannot post text without media (no text-only post type).
  • TikTok does not support GIF posts.
  • TikTok does not support link/URL preview cards — links are plain caption text.
  • TikTok does not support polls, threads, or a separate title field.
  • TikTok Stories and LIVE are not available via the Content Posting API.

What does it look like in practice?

A long post on TikTok

TikTok does not fold the text behind "…more", so a 280-character post shows in full; the hard stop is 2,200 characters.

Filling in one topic several ways

Type a topic like "spring collection launch" once and get 6 to 8 different TikTok caption starters built from that same topic — a question hook, a bold claim and more.

How do you schedule TikTok posts with captions?

In SkedCast, add a video or a photo carousel of up to 35 images, write or paste the caption, and pick a time. SkedCast checks the caption against TikTok’s 2,200-character limit while you type and shows a preview of the post, so nothing is cut off when it publishes. See the TikTok scheduler for every TikTok option.

Diagram: start from a caption idea, write a hook-first line, add a few hashtags within the character limit, check the preview, and schedule the TikTok post.
From caption idea to a scheduled TikTok post.

TikTok caption generator FAQ

Which caption formulas does the TikTok generator use?
A mix of hooks, statements and calls-to-action shaped for TikTok — a short, punchy, hook-first line built for the first second of a video — pulled from common caption patterns rather than written fresh by a language model.
Can I post text only on TikTok?
No. Every TikTok post needs at least one image or video; the caption rides along with the media.
Will TikTok cut off a long caption?
TikTok does not truncate the text in the feed, so the whole post shows; the limit that matters is the 2,200-character maximum.
How many hashtags can a TikTok post have?
SkedCast enforces no hashtag cap for TikTok; the practical limit is the 2,200-character text limit and what reads well.
What happens to a link in a TikTok post?
The link counts at its real length, and TikTok shows no link-preview card for it.
Does this TikTok caption generator use AI?
No. It fills your topic into a set of proven TikTok caption templates entirely in your browser — no language model writes or personalizes the text, so treat every result as a starting point to edit.
How long can a TikTok caption be?
Up to 2,200 characters when an app or scheduler posts it, per TikTok’s developer documentation. The TikTok app allows longer captions.
Do hashtags count toward the TikTok caption limit?
Yes. Hashtags and mentions are part of the caption, so they count toward the same limit.
Can AI write my TikTok captions?
This free tool uses templates. In SkedCast’s composer, AI drafts and rewrites captions, with 25 AI credits a month on the free plan.

Sources

TikTok’s caption limit was checked against this page on 4 November 2026:

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