AI Caption Generator
Generate perfect social media captions for Instagram, Facebook, Twitter, LinkedIn & more in seconds
100% Free & Private
No data stored. All processing happens in your browser.
Describe your post, choose platform and tone, and generate engaging captions instantly.
How It Works
Describe Your Post
Tell us what your post is about - a photo, event, feeling, or topic
Customize Settings
Choose platform, tone, length, and other preferences
Generate & Copy
Get multiple caption options, hashtags, and emojis to copy instantly
Platform-Specific Tips
Use relevant hashtags (5-10 ideal), include emojis, ask questions to boost engagement in comments.
Longer captions perform well. Share stories and ask for opinions. Use 1-3 hashtags maximum.
Keep it concise (under 280 chars). Use 1-2 relevant hashtags. Thread for longer thoughts.
Professional tone. Share insights and value. Use industry-specific hashtags (3-5 ideal).
TikTok
Trendy, casual tone. Use trending sounds and hashtags. Keep captions short and engaging.
YouTube
Include timestamps, call to action (subscribe), and relevant keywords in first 3 lines.