Write your next X post in 30 seconds
FastPost AI analyzes your old posts and learns your exact writing style — generate posts in your writing style, not AI's
How it works
From idea to post in 3 steps
No prompting skills needed. No blank page. No second-guessing your wording.
Paste your old posts
Copy 10–15 of your existing X posts into FastPost AI. The AI analyzes your tone, structure, emoji usage, and writing patterns.
Drop your idea
Type a rough idea — it doesn't have to be perfect. A few words or a sentence is enough to get started.
Get your post
FastPost AI generates a tweet in your exact voice in seconds. Copy it and post. Done.
The difference
Writing posts manually is draining
Every creator knows this feeling. FastPost eliminates it.
Without FastPost AI
~25 minutes
per post
- Stare at a blank page for 10 minutes
- Research the right angle and hook
- Write a draft that doesn't feel right
- Rewrite it 3 more times
- Second-guess every word before posting
With FastPost AI
~30 seconds
per post
- Type your idea (one sentence is enough)
- Hit Generate
- Copy your post — done
And it sounds like you — not a generic AI.
Why FastPost
Everything you need to post consistently
Built specifically for X creators who want to show up every day without burning out.
Your style, not AI's
Most AI tools sound like AI. FastPost AI is trained on your actual posts — so every output sounds like you wrote it.
Seconds, not hours
From idea to ready-to-post tweet in under 30 seconds. No editing, no rewriting, no blank page.
Edit your style anytime
Your writing evolves. Update your style profile manually or retrain it with new posts whenever you want.
Regenerate instantly
Don't like the result? Hit regenerate and get a fresh take on your idea — same style, different angle.
Built for X / Twitter
Every post is optimized for X — character limits, hooks, CTAs, hashtags and mentions handled automatically.
Built to grow your audience
Posts are written to hook readers, spark engagement, and attract followers — not just fill your feed.
Start posting in your voice today
Train your style once. Generate posts forever. No credit card required.
Create PostFree to start · No credit card required