Generate platform-optimized captions for any social media post in seconds. Choose your platform, tone, and topic — AI does the rest.
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Editor's Note: We generated and tested these caption styles across 50+ accounts using TwinSync's Persona Mirror. Want captions generated automatically for your entire week? See how TwinSync works.
Yes, completely free. You can generate up to 10 sets of captions per hour with no signup required.
We support Instagram, TikTok, LinkedIn, X (Twitter), YouTube, Facebook, Pinterest, and Threads. Each platform gets captions optimized for its unique format and audience.
You select from five tones: casual, professional, witty, bold, and storytelling. The AI adapts its writing style, vocabulary, and formatting to match your chosen tone and platform.
Yes. All generated captions are yours to use for personal or commercial purposes. We recommend adding your own personal touch to make them uniquely yours.
Each generation produces 5 unique caption variations, giving you options to choose from or A/B test.
We use Anthropic's Claude AI, known for high-quality, natural-sounding text generation that avoids the robotic feel of older AI tools.