How long should an Instagram caption be?
As long as the post needs, with the point first. The feed shows only the first lines before “more”. Put the line that stops the scroll and a short ask at the top, and the detail after it.
This Instagram caption generator gives you five captions for a post or Reel, built from your topic, your goal and your tone, with the line breaks in place. It is for anyone who posts, on their own page, an AI persona page or a faceless page. Add a comment keyword and every caption ends on the ask.
Free · No signup · Runs in your browser
Type what the post is about. Pick a goal, a tone and a length.
If the post asks for comments, add the keyword and what the DM sends. Pick a niche to add hashtags.
Copy the caption you like into Instagram or Facebook. Press Generate 5 captions for five more.
| Limit | What it means |
|---|---|
| 2,200 characters | The most a caption can hold. Spaces, line breaks, emoji and hashtags all count. |
| 5 hashtags | The most Instagram allows on a post or Reel since December 2025. |
The feed shows only the first lines of a caption. The rest sits behind “more”. Put the line that matters first.
On a comment-to-DM post, the caption repeats the ask from the video and says what the DM sends.
No keyword yet? Pick the goal “Get comments for a DM” and leave the keyword empty. The generator takes one from your topic.
Your caption asks for the comment. Next, send a DM with your link to everyone who comments the keyword, on Instagram and Facebook. How comment-to-DM works →
As long as the post needs, with the point first. The feed shows only the first lines before “more”. Put the line that stops the scroll and a short ask at the top, and the detail after it.
Open with one line that gives a reason to keep reading. Add a sentence or two of context. End on one ask: a comment keyword, a question or “save this”. Keep the tone of the video.
One line on what the post is about, then the ask: the keyword in capitals and what the DM sends. For example: “Comment GUIDE and I’ll send you the full guide.”
Yes. Instagram says Search matches words in captions. Name the topic in plain words, not only in hashtags.
Yes. The captions speak as the account and never claim a personal result, so they fit a page where an AI persona presents.