Captions for posts, not video subtitles
The AI caption generator for the text that goes under your posts
This AI caption generator writes the caption that goes with a post: 3 variations with hashtags and a call to action in your brand's tone. It does not add subtitles to videos.
- 7-day free trial
- 3 variations per topic
- Instagram, X, LinkedIn, TikTok

What is an AI caption generator?
An AI caption generator writes the text that accompanies a social media post: the caption, hashtags and a call to action. It is different from video subtitles, which transcribe speech. In Socials Creator you enter a topic and a platform and get 3 caption variations in your brand's tone for Instagram, X, LinkedIn or TikTok.
- Output
- 3 variations with hashtags and a call to action
- Platforms
- Instagram, X (Twitter), LinkedIn and TikTok
- Not for
- Video subtitles or transcripts
- Price
- From $69/month, 7-day free trial
What you get
Captions that sound like your brand, not like a chatbot
As an AI caption writer, the tool starts from what the brand sells and how it talks, then adapts to the platform.
Three angles, not three rewrites
The variations differ in argument and structure: one direct, one a short scene, one a useful tip, one a concrete fact about your business or a question that invites a reply.
Written from your brand kit
The name, tone of voice, what you sell and how you address your audience all come from the brand you selected, so you do not explain them every time.
Rules of each platform built in
Instagram captions are kept within 2,200 characters with the opening line doing the work, X is kept short, LinkedIn is written in short paragraphs and TikTok stays compact.
Hashtags that stay relevant
Up to 5 hashtags tied to the topic, the sector or the place, and none added only to reach a number.
Copy with one click
Each variation has a Copy button that takes the text and the hashtags together, ready to paste where you post.
Captions inside every post
When you create a post, the post creator writes its caption and hashtags too, shows a character counter for Instagram's limit and lets you rewrite either one.
How it works
How to write captions with AI in 3 steps
1. Add your brand
Paste your website and upload your logo once. The app learns what you sell and saves your tone of voice.
2. Enter the topic and the platform
Describe the post in a line, for example 5 effective study techniques, and choose Instagram, X, LinkedIn or TikTok.
3. Copy the variation you like
Read the 3 options, pick the angle that fits, copy it with its hashtags and edit anything you want before posting.
Who it is for
AI captions for people who write them in a hurry
Shops with photos and no words
You have a picture of the new arrivals and nothing to say about it. Enter the topic and compare three ways of saying it.
Freelance social media managers
Switch brands in the sidebar and each caption follows that client's tone and the way they address their customers.
Experts and educators
Turn a tip into a caption that teaches something on its own, with a closing question or next step if the post needs one.
Pricing
Simple pricing, with a 7-day free trial
Every plan includes all features. Choose by how many brands you manage and how much you create.
Pro
Freelancers and solo brands
$69/month
Start free trial$690/year
≈ $57.50/month
- 800 AI credits per month
- Up to 3 brands
- Posts, carousels, stories and ads
- Captions, hashtags and ideas
- Calendar and Instagram publishing
- Most popular
Agency
Small agencies
$179/month
Start free trial$1,790/year
≈ $149.17/month
- 2,500 AI credits per month
- Up to 10 brands
- Posts, carousels, stories and ads
- Captions, hashtags and ideas
- Calendar and Instagram publishing
Agency Plus
Lots of client accounts
$399/month
Start free trial$3,990/year
≈ $332.50/month
- 6,000 AI credits per month
- Up to 30 brands
- Posts, carousels, stories and ads
- Captions, hashtags and ideas
- Calendar and Instagram publishing
- The 7-day trial includes 100 credits and requires a card. You won’t be charged until it ends, and you can cancel before then.
- An image costs 1 credit; a video costs 30 to 180 credits depending on model, quality and length. Failed generations are refunded.
- Extra credit packs from $29. They never expire. Prices exclude tax.
FAQ
Frequently asked questions
What is the best AI caption generator?
The best AI caption generator knows your business before it writes and adapts to the platform. Socials Creator uses your brand kit, returns three different angles per topic, keeps hashtags relevant and respects the limits of Instagram, X, LinkedIn and TikTok.
Can the AI caption generator add subtitles to my videos?
No. Captions here means the text under a post. Socials Creator does not transcribe speech or burn subtitles into video, and it does not edit videos you filmed. It creates new videos from text, which you can pair with a caption.
Which platforms does it write captions for?
Instagram, X (Twitter), LinkedIn and TikTok are available in the caption tool. For Facebook and Pinterest formats, the post creator writes the text that goes with the image.
Is there a free AI caption generator?
Not as a free plan. The caption tool is part of the app, which you can try for 7 days with 100 credits. A card is required, and you can cancel before the trial ends without paying.
Will the captions sound generic?
Less than a blank chatbot, because the writing starts from your brand. The more concrete your topic is, with a product, an offer or a date, the more specific the caption. Always read it before posting.
Can I write captions in Spanish?
Yes. The app and the content it creates work in English and Spanish, so you can generate captions in either language for the same brand.
Does the tool post the caption for me?
The caption tool gives you text to copy. When an image or carousel is published to Instagram from the app, including one you scheduled in the calendar, the caption goes out with it. For every other network, you paste it yourself.
Keep exploring
More ways to create social media content with AI
- Instagram caption generatorCaptions, bios and hashtags
- TikTok caption generatorCaptions, bios and hashtags
- LinkedIn post generatorCaptions, bios and hashtags
- Twitter post generatorCaptions, bios and hashtags
- Facebook post generatorCaptions, bios and hashtags
- Instagram bio generatorCaptions, bios and hashtags
Write your next caption in seconds
Add your brand, enter a topic and choose the version that sounds like you.
100 free credits · Cancel anytime

