Free Tool • X / Twitter

AI X/Twitter Post Generator

Generate platform-native X posts tailored to tone, length, and engagement patterns. Ship more content with less effort.

Try it freeSee pricing

Platform-native

Content adapts to X’s tone & character limits so posts feel authentic, concise, and native.

Product Library

Save product details and brand voice to keep messaging consistent across every tweet and thread.

Boost engagement

Templates, hooks and CTA suggestions optimized to increase replies, likes, retweets, and shares.

See it in action

Real X/Twitter examples generated by PostFast.

Generated Output Examples
1/ 🚀 New feature launch: PostFast now suggests hooks that get retweeted. Try it now: [link] #creator
2/ Tired of blank tweets? PostFast drafts thread starters that spark discussion — here’s one: Why "short-form thinking" beats long-form in 2025...
3/ Quick tip: ask a question in the first line to double replies. Example: 'Anyone tried X? Here's what happened...'
Install Extension to Generate

Why use PostFast for X?

Save massive amounts of time

Generate multiple viral post ideas in seconds.

Consistent Brand Voice

Keep your messaging sharp and on-brand with the Product Library.

Viral Templates

Use templates optimized specifically for X/Twitter engagement and sharing.