AI Caption Generator
Generate catchy social media captions from a keyword — six ready-to-post options for Instagram, TikTok, Facebook and more. — free, fast and private.
How this works: this is a rule-based writing helper, not a live AI model. It builds text from templates in your browser — no API call is made, nothing is sent to any AI service, and your input never leaves your device. Edit the draft to make it your own before using it.
How to use AI Caption Generator
- Type a keyword or topic for your post.
- Choose a platform and tone.
- Click Generate Captions and copy your favourite.
Note: this tool runs in your browser. Nothing is uploaded.
Frequently Asked Questions
Is the AI Caption Generator free?
Yes, it is 100% free with no sign-up and no limits.
Is this a real AI model?
No. This is a rule-based template helper, not a live AI model — it builds captions from templates in your browser and makes no API call.
Can I use the captions on any platform?
Yes. Pick a platform to tune the style, then edit the caption and hashtags to fit your post.
Is my input uploaded anywhere?
No. Your text stays in your browser and is never uploaded to any server.