10 Best Free AI Social Media Post Generators in 2025
Use these AI social media post generators to help with writing posts for social media in 2025.
Coming up with fresh, engaging social media posts every day is exhausting, especially when you’re juggling campaigns, meetings, and analytics.
Most marketing and social media managers don’t have time to write custom posts for every platform, every time.
That’s why using an AI social media post generator is becoming a go-to strategy. It helps speed up content creation, fill gaps in your calendar, and keep your posts consistent without starting from scratch each time.
In this article, we'll list the 10 best free AI social media post generators in 2025. Let's dive in!
How to Use AI to Generate Social Media Posts
AI tools can help you save time, stay consistent, and generate content ideas on demand.
Here are some practical ways to use an AI social media post generator effectively:
Turn Long-Form Content Into Posts
If you’ve already written a blog post, newsletter, or video script, you can paste it into the tool and ask it to summarize or extract highlights.
These tools allow you to quickly turn a single article into multiple platform-specific drafts.
Generate Captions From Keywords
Start with a product name, topic, or a few keywords, and let the AI suggest post drafts.
Most tools let you pick a tone or style to match your brand. This is a fast way to come up with caption ideas when you’re short on time.
Rewrite and Improve Existing Posts
If you already have a draft but it feels off, paste it into the tool and ask for a rewrite. You can make it shorter, add emojis, or adjust the tone for different audiences.
AI tools are useful because they can help refine your messaging without rewriting from scratch.
Create Platform-Specific Variations
Use the same core message, but ask the AI to rewrite it for different platforms.
For example, you can generate a punchy version for X and a more professional version for LinkedIn. This ensures your content fits the expectations of each platform.
Suggest Hashtags and Emojis
AI tools can automatically suggest relevant hashtags and emojis based on your post content or topic.
This makes posts more engaging and helps improve reach without needing manual research. You can also customize which ones to include or leave out.
Want an AI writing assistant that works anywhere?
Use AI Blaze to generate social media posts in seconds.
Want an AI writing assistant that works anywhere?
Use AI Blaze to generate social media posts in seconds.
How to Choose an AI Social Media Post Generator
Not all AI tools are built the same, and some are better suited for different workflows.
Whether you're writing for clients, managing a brand, or just trying to save time, it’s important to choose a tool that fits how you work.
Here are a few things that all AI social media post generators should offer:
Platform Compatibility - Pick a tool that supports the platforms you post on most, like LinkedIn, Instagram, or X. Some tools also offer formatting options specific to each channel.
Free Plan Limits - Make sure the free version gives you enough credits or features to be useful. Some limit post generations or tone options unless you upgrade.
Tone & Voice Control - Look for tools that let you adjust tone, length, and style to stay consistent with your brand. This helps you sound like a human, not a template.
Editing and Prompt Customization - Choose a tool that lets you refine outputs or input your own prompts. This is key if you want control over how ideas are generated.
Rewriting and Proofreading - A good tool should help you clean up your writing with AI, fix awkward phrasing, and rewrite weak drafts. This is helpful when you want polished posts without starting from scratch.
Choosing the right tool can make post creation smoother, faster, and more scalable. Test a few options to find the one that fits your day-to-day work.
10 Best Free AI Social Media Post Generators
Tired of struggling to write social posts that resonate with your target audience? Use AI to streamline the process.
Whether you want help coming up with ideas, generating posts, or even proofreading, AI can help streamline the process of managing social media pages.
Here's our list of the 10 best free AI social media post generators:
1. AI Blaze
First up on our list of the best free AI social media post generators is AI Blaze.
AI Blaze is the ultimate AI assistant that helps you use ChatGPT on any website to generate social media posts, write and improve content, answer questions, and much more!
Features
Improve your writing with AI - Proofread, fix mistakes, and generate content for any situation with AI Blaze. Uses context for better results.
Generate social media posts with AI - AI Blaze can help you generate copy for social media posts that fits your audience and brand voice.
Save & manage AI prompts, use them anywhere - Create and save AI prompts, then use them anywhere with a dynamic AI assistant.
AI Blaze is free! Forget about licenses or subscriptions.
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Pros
- Free to use.
- Works on any website.
- Manage & save prompts.
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Cons
- Only available on Chrome.
Want an AI writing assistant that works anywhere?
Use AI Blaze to generate social media posts in seconds.
Want an AI writing assistant that works anywhere?
Use AI Blaze to generate social media posts in seconds.
2. SocialBee
SocialBee includes an AI writer that helps generate captions, hashtags, and repurposed content for multiple platforms. You can choose from templates like quotes, tips, or list posts, and the tool formats them to fit your selected platform.
It also integrates with scheduling features, so you can generate and queue posts in one place. Great for managing multiple brands or clients.
3. Buffer
Buffer AI assistant helps create engaging post drafts from scratch or based on a link. It’s especially handy for turning blog articles into multi-platform captions.
The AI is built directly into the post editor, so you can fine-tune before publishing. It works best when paired with Buffer’s scheduling features.
4. Voila AI
Voila AI is a Chrome extension that acts like a personal writing assistant. You can use it on any site to create or rewrite social media posts based on the context you’re viewing.
It supports tone changes, hashtag suggestions, and quick rewrites. It’s useful for jumping between different types of content without leaving your browser.
5. Hootsuite
Hootsuite's AI writer, OwlyWriter, helps you create posts based on URLs, holidays, or campaign ideas. It’s useful for social media teams already using Hootsuite’s scheduler.
The AI can generate multiple drafts at once, so you can pick and edit your favorite version. It’s especially helpful for evergreen or promotional content.
6. Predis.ai
Predis.ai creates both captions and visuals using AI. You can start with a product, keyword, or idea, and the tool generates a ready-to-post image and caption.
It’s great for Instagram and Facebook posts where visuals matter. The free plan gives you a few credits to try it out.
Want an AI writing assistant that works anywhere?
Use AI Blaze to generate social media posts in seconds.
Want an AI writing assistant that works anywhere?
Use AI Blaze to generate social media posts in seconds.
7. Pictory AI
Pictory AI focuses on turning long-form content like blog posts or YouTube transcripts into short video posts with captions.
It pulls out key points and converts them into video formats that work for TikTok, LinkedIn, or Reels. It’s more of a content repurposing tool but useful if you need post ideas from existing assets.
8. SocialPilot
SocialPilot has a built-in AI writer that helps generate posts for different platforms. You can select tone, length, and customize output before scheduling.
It’s more structured than some other tools, making it better for teams who want consistency. The tool also tracks performance, helping you refine future content.
9. Easy Peasy AI
Easy Peasy AI offers a library of prompt templates for social media use cases like product launches, updates, and tips.
You enter basic input and choose your output type, and it generates caption-ready text. Some tools like Easy Peasy AI also include voice and persona options to adjust for brand style.
10. RADAAR
RADAAR includes an AI assistant for generating captions, hashtags, and engagement prompts. It also supports scheduling and performance tracking, which is useful if you want to manage everything in one place.
You can generate post variants and run them as tests. It’s especially helpful for teams that want to stay organized.
Save Time Without Losing Your Voice
Using an AI social media post generator helps you write faster, stay consistent, and focus more on strategy. Whether you need quick drafts, content repurposing, or help rewriting posts, these tools can take a lot of the busywork off your plate.
Test a few of the options listed above to see what fits your workflow. The right tool can help you keep your content fresh—without burning out your team.
To recap, our suggestion for the best free AI social media post generator is AI Blaze. AI Blaze is your personal AI writing assistant that helps you generate content, improve your writing, and more. Plus, AI Blaze works on any website and is free to use.
