15 Free AI Tools for Social Media Marketing (Complete 2026 Guide) Social media can feel like a full-time job, from crafting captions to creating graphics, editing videos, and scheduling posts. The good news? You can do most of this for free with AI tools. This guide covers 15 free AI tools that small business owners, creators, and students in Nigeria (or anywhere) can start using today. Quick Comparison Table: 15 Free AI Tools Tool Name Best For Free Plan Availability Skill Level ChatGPT Captions, scripts, content ideas Yes (basic use) Beginner Canva AI Graphics, post design Yes Beginner CapCut Short-form video editing Yes Beginner Buffer AI Scheduling, post optimization Free tier Beginner Copy.ai Promotional text, ads, copywriting ...