AI Social Media Post Generator
Free AI social media post generator for Instagram, Facebook and X. Enter a topic and get three post variants with strong hooks and relevant hashtags.
About the AI Social Media Post Generator
The AI Social Media Post Generator is a free tool that creates three distinct, platform-optimised posts with hooks and hashtags for Instagram, Facebook, and X (Twitter).
This generator turns a one-line description of a moment into three ready-to-post captions in seconds — the product photo is taken, the moment is worth sharing, and this replaces the fifteen minutes that usually evaporate deciding how to say it. Posting consistently is the whole game on social media, since the algorithm rewards accounts that show up, yet for most business owners the caption is the daily blocker.
Each variant is built for how feeds actually work: a first line that stops the scroll (on Instagram only the opening words show before "more"; on X the whole post is the hook), short paragraphs with breathing room rather than a wall of text, your call to action woven in naturally, and a set of 5-8 hashtags that mix broad reach with niche relevance. Three variants matter because tone is a choice — the same milestone can be told as a thank-you, a behind-the-scenes story, or a punchy announcement, and seeing all three makes the right one obvious.
A sustainable workflow for a small team: once a week, batch-generate posts for the moments you know are coming — product highlights, customer stories, tips from your expertise, festival greetings — edit each lightly to add a specific detail, and schedule them. Fifteen minutes of batching replaces a daily struggle, and the consistency compounds into reach.
How to use the AI Social Media Post Generator
- Describe the topic or milestone you want to post about.
- Select the social media platform (Instagram, Facebook, or X).
- Choose a tone and optionally add a call to action.
- Click 'Generate posts' to get three different caption variants.
Worked example
Input: 'Delivered our 1,000th order' for 'Instagram' (Playful tone) → Output: Three tailored captions with scroll-stopping hooks and 5-8 relevant hashtags.
Frequently asked questions
- How many hashtags should I actually use per post?
- For Instagram, aim for 5-8 relevant ones mixing broad and niche tags. For X (Twitter), stick to 1-2. For Facebook, use few or none. Relevance always beats volume — 30 scattergun hashtags reads as spam.
- What exactly makes the first line a good hook?
- Specificity and tension: a number, a bold claim, or a question the audience genuinely feels. '1,000 orders. Zero paid ads.' dramatically outperforms 'We are pleased to announce a milestone.'
- Should I post the exact same caption on every platform?
- No, you should adapt it. Lengths, hashtag norms, and overall tone differ across platforms. It's better to generate per platform rather than cross-posting one generic caption everywhere.
- Will the AI include emojis in the captions?
- Yes, the generator will include a restrained amount of contextually relevant emojis to break up the text and add visual interest, matching the tone you select.
- What should I put in the 'Call to action' field?
- Keep it simple and direct. Good examples include 'Link in bio to shop', 'Drop a comment below', 'DM us for details', or 'Save this post for later'.
More from Avexora
All Avexora products →Business software from the team behind these free tools.
- CRM
Avexora AI CRM
A CRM and project workspace for growing businesses.
Visit Avexora AI CRM - WhatsApp Business API
AvexWA
WhatsApp Business API platform for broadcasts, chatbots and automation.
Visit AvexWA - AI business ecosystem
Avexora AI EBOS
From a blank page to a live funnel in minutes.
Visit Avexora AI EBOS - Enterprise AI
Avexora AI
Enterprise-grade AI systems for operations and growth.
Visit Avexora AI - AI voice calling
Avexora AI Voice Agents
Your business phone, answered by AI in every language, every hour.
Visit Avexora AI Voice Agents - OMR exam software
Avexora ExamOS
AI-powered OMR scanning and exam management for schools.
Visit Avexora ExamOS
Related tools
Free AI LinkedIn post generator. Enter your topic and angle to get a feed-ready post with a strong hook, short paragraphs and a comment-inviting close.
Hashtag GeneratorFree hashtag generator. Convert keywords into clean hashtags in camelCase, lowercase or capitalized style — deduplicated and ready to copy into any post.
Engagement Rate CalculatorFree engagement rate calculator. Enter engagements, followers and post count to get your per-post engagement rate with an instant benchmark verdict.
AI Ad Copy GeneratorFree AI ad copy generator for Google and Facebook/Instagram ads. Get benefit, offer and social-proof variants sized to each platform's character limits.
