What is the best AI generator for social media posts?

The one that writes a separate post for each platform instead of one post resized. This tool gives each platform its own hook, length, and hashtag count. For paid social, use the ad copy generator instead.

Can it write Instagram captions?

Yes. The Instagram version is a caption plus hashtags grouped by reach, with the first line written to earn the tap on "more".

Does it work as a LinkedIn or Facebook post generator?

Yes. LinkedIn gets a professional post in short paragraphs with no hashtag stuffing, and Facebook gets a longer, conversational post with the hook in the first 250 characters. It also writes for X, Threads, and TikTok.

Can this tool post to social media for me?

No. It writes the posts, and you paste each one into the platform's composer or your own scheduler. Intempt does not publish to social.

How is this different from ChatGPT?

ChatGPT writes off whatever prompt you give it. This tool writes to each platform's real constraint - X's 280 characters, LinkedIn's no-stuffing norm, Instagram's grouped hashtags - so the draft fits the surface without a rewrite. It does not publish for you, and Intempt has no social scheduling skill to hand it to.

Can I save the posts?

Use the toolbar above the result to copy or download as .md, .txt, .html, or PDF, and nothing is stored unless you sign up for Intempt.

What happens after I sign up for Intempt?

The social posts stay yours to schedule. What you get is the Brand Designer agent for the channels Intempt does send - email, SMS, push, blog, and landing copy - every draft held to Brand Kit guardrails, staged for your approval, and reviewed afterwards against what it actually converted.

All free tools

A brass compass lying open on a sea chart beside a starfish.

Marketing

Free AI social media post generator.

Write social media posts for Instagram, X, LinkedIn, Threads, TikTok, and Facebook from one topic. Pick your channels, set tone and length, and each post fits that platform's real limits. In Blu, the Brand Designer agent applies the same Brand Kit guardrails - blocked terms, required phrases, tone - to your email, SMS, and push copy.

How to use the AI social media post generator

It takes three steps and every output renders on this page so you can copy or export it right away.

Describe the post

Type what the post is about, pick your platforms, and choose a tone: professional, casual, bold, or playful.

Get a post per platform

The AI social media post generator writes a separate post for each platform you picked, with its own hook, length, and hashtags.

Post it yourself, on brand

Intempt does not publish to social, so the posts are yours to schedule. Blu's Brand Designer agent enforces the Brand Kit on the channels Intempt does send.

Use in Claude

Blu Agent

Who it's for

Social media managers posting the same update across multiple channels
Teams shipping social copy for a whole week's content calendar at once

What's in the download

SKILL.md - The real per-platform constraints from the browser tool (X's 280-char limit, LinkedIn's zero-hashtag norm, Instagram's tiered hashtag groups), plus instructions for generating a full platform set across a whole content calendar in one pass.

How to install it

claude.ai or Claude Desktop

Upload as a zip in Capabilities

Paid plan

Open Settings, then Capabilities
Turn on code execution if it isn't already on
Upload the .zip you downloaded

Requires a Pro, Max, Team, or Enterprise plan. Not available on the Free plan.

Claude Code

Drop the folder, it auto-loads

Any plan

Unzip the download
Drop the folder into ~/.claude/skills/ (or .claude/skills/ in a project)
Claude Code finds it automatically

$ ls ~/.claude/skills/
your-new-skill/

What you need

Claude Desktop or claude.ai (Pro, Max, Team, or Enterprise for claude.ai upload)
Claude Code: no plan restriction

Try it with

“Use the social-media-post-generator skill to write Instagram and LinkedIn posts for this update: ...”
“Read this content calendar of 8 topics and generate posts for all 4 platforms for each”

Prefer an instant answer? Run it now above.

What you get from the AI social media post generator

What it does on this page, and what it does inside Intempt.

What to give the social media content generator

A rough note works: the update, the angle, and the call to action
Specific numbers and names in your note carry into the post, and none get invented
One topic covers every platform you pick

A post topic card with the update, angle, tone, and call to action filled in for one social post.

Instagram posts, X posts, and four more native formats

Six platforms: Instagram, X, LinkedIn, Threads, TikTok, and Facebook
X stays under 280 characters because it's written to fit, not cut off
Every non-X post comes with a generated creative image

A platform picker with Instagram, X, Facebook, and LinkedIn selected, each showing its format rule.

Guardrails the agent cannot write around

Brand Kit holds tone, blocked terms, and required phrases
Channel rules and character limits apply per surface
Nothing sends or publishes without your approval

Write every channel without a team to hire

The Brand Designer agent drafts email, SMS, push, and blog copy
A/B variants and translations come from the same brief
No agency retainer and no six-week onboarding

See it work on your own output.

Start free

Questions about theAI social media post generator.

01 / 08

Is the AI social media post generator free?

Yes. Sign up for the free Intempt plan, then generate social posts on this page and copy or download the output free 5 times a day, and up to 10 times a day across all the tools, on the free Intempt plan with no trial timer.

Teams love it

They stopped stitching tools andhired one system.

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455,396

users instrumented

Read the full research

Judge experiments on revenue per visitor instead of conversion rate. A variant can win on conversions and still lose on revenue, and repeat buying only shows up when the whole journey is in one view.

High-intent shoppers browsed a large, specialized outdoor catalog, and browsing, product interest and purchase history sat in different places. We unified them into one customer view, then ran real-time personalization, intent-based segmentation and timely follow-ups on top of it, judging experiments on revenue per visitor.

Read the full research

Build the pipeline on observed signals. When follow-ups trigger on intent, the team spends its time on the users who are genuinely engaging.

Static lead lists and timeline-based follow-ups were hiding who was actually engaging. We ran a signal-led outbound pipeline where follow-ups fire on real behavior: outbound replies, onboarding progress and product usage.

Read the full research

Write every channel on brand.

Brand Kit guardrails on every draft the Brand Designer agent writes, with no agency retainer.

Start for free

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