Free AI Tool
AI Social Media Caption Generator
Generate platform-specific captions for Instagram, Facebook, Twitter & LinkedIn. Hashtags included, ecommerce-focused — free.
Platform Best Practices
- → 125-150 chars before "more" cutoff
- → 20-30 hashtags for max reach
- → Use line breaks for readability
- → Always include "link in bio" CTA
- → 40-80 chars gets best engagement
- → Include a direct URL (no link-in-bio)
- → 1-2 hashtags maximum
- → Question or poll format boosts comments
Twitter / X
- → 71-100 chars gets highest engagement
- → 1-2 hashtags max (not spam)
- → Include media — images get 150% more RTs
- → Tweet 1-3x per day for best visibility
- → Professional tone performs best
- → 150-300 chars before "see more" cutoff
- → 3-5 relevant hashtags
- → End with a question to drive comments
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