Upload a photo and get Instagram, LinkedIn, or Twitter captions. AI sees your image but it never leaves your device.
Platform
The AI Caption Generator is a free, browser-based tool that creates social media captions from your photos using AI on your computer. Upload an image, choose a platform, and get tailored captions for Instagram, LinkedIn, Twitter/X, or general use. Because the AI runs entirely on your device, your photos stay on your computer.
Upload a photo
Upload a photo in JPG, PNG, WebP, or HEIC format.
Select a platform
Choose Instagram, LinkedIn, Twitter/X, or General to get platform-optimized captions.
Add context
Optionally describe what the photo is about for more relevant captions.
Generate captions
Click "Generate Captions" and get AI-written captions based on your image.
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