5 Free AI Social Media Post Generators Every Startup Should Try

Running a startup means juggling a dozen things at once. Content creation often gets pushed to the side, especially social media. That is where AI post generators come in. These free tools can save you time, help you stay consistent, and even boost engagement. Here are 5 great options to get started with in 2025.
1. Canva Magic Write
Best for: Quick post ideas and captions for Instagram, LinkedIn, or Twitter
- Part of Canva’s free plan
- Lets you generate social posts inside design templates
- Great for founders who need visuals and text in one place
2. Copy.ai
Best for: Startups looking for fast, punchy copy
- Free tier includes 2,000 words per month
- Choose tone, platform, and audience
- Includes templates for product launches and content calendars
3. Ocoya
Best for: Indie hackers managing multiple accounts
- Generates posts and designs at once using AI
- Supports scheduling and analytics
- Limited free plan available with AI content credits
4. FeedHive AI
Best for: LinkedIn-focused startups and solopreneurs
- Free tier with basic AI post writing tools
- Suggests content ideas based on your niche
- Includes repost and recycling features for evergreen content
5. TweetHunter (Free AI Generator Tool)
Best for: Writing better tweets, threads, and Twitter hooks
- Free version lets you generate tweets based on a topic
- Perfect for founders building in public
- Helps you write engaging, scroll-stopping content fast
Final Thoughts
You do not need a full-time social media manager to look like a brand that has one. These free AI tools can help you generate content fast, experiment with new formats, and stay active across platforms without burning out.
Pick one tool from this list, try it out this week, and schedule your next few posts in advance. Consistency is half the battle — AI just makes it easier.