GrowX AI writes, improves and threads your X posts with the AI model built into Chrome. It runs on your computer, uses your niche and voice settings, needs no API key and does not invent facts: anything it cannot know becomes a {placeholder}.
Screenshot shows demo data.
Turn an idea into a post, or tighten a draft you already have, in the tone set in your voice settings.
Get several opening lines for the same idea, or turn notes and a long draft into a numbered thread that fits X's character rules.
Suggested replies for posts in Reply targets. You edit them and send them yourself.
Runs on your computer with the model built into Chrome. No API key, no per-use fees and nothing sent to GrowX.
When a post needs a number, name or result it cannot know, GrowX AI writes a {placeholder} for you to fill in.
52 templates and the plain Thread it splitter are free, and they are what the AI buttons fall back to when Chrome's model is unavailable.
Tell GrowX what you post about and how you sound. The AI uses these settings for every suggestion it makes.
In Create, choose Write, Improve, Hooks or Thread it. Chrome downloads its model once the first time; after that it runs on your computer.
Fill any placeholders with real details, adjust the wording, then post now, schedule it or add it to your queue.
Most AI tweet generators send your text to a cloud model and charge per use or per month, sometimes through an API key you have to manage. GrowX AI uses the AI model that is built into recent versions of desktop Chrome. The model runs on your own computer, so your drafts are not sent to GrowX and there is no API key to set up or pay for.
Chrome downloads the model once, the first time it is needed. After that, GrowX AI calls it directly from the extension. Because it runs locally, GrowX gives it short, focused jobs: a post, a set of hooks, a rewrite, a thread outline or a reply idea. That is the kind of writing help most people actually want while composing on X, and it keeps you in charge of the final words.
GrowX AI is part of GrowX Premium and appears as buttons where you already write, so you never copy text between tabs. Every suggestion uses the niche and voice settings you chose, which keeps the output closer to how you actually write than a blank prompt in a general chatbot.
None of these actions post anything. GrowX AI fills the composer or shows suggestions; you decide what to keep, edit it and then post, schedule or queue it yourself. Replies suggested in Reply targets are only sent when you press the button, and GrowX never sends DMs.
The biggest problem with AI-written posts is confident nonsense: invented numbers, fake results and quotes nobody said. GrowX AI is designed not to make up facts. When a post needs something only you know, such as a revenue figure, a client name or how long a project took, it leaves a {placeholder} instead, so the gap is obvious before anything is posted.
That makes the output a draft, not a finished post. Read it, fill the placeholders with real details and cut anything that does not sound like you. Posts built on specific, true experience are more interesting to read than generic advice, and they protect your credibility. For structure ideas, see how to write a Twitter thread.
GrowX AI needs a recent desktop version of Chrome on a computer with enough free memory and disk space for Chrome's built-in model. If the model is not available on your machine, the AI buttons do not break: they fall back to the matching templates and the plain thread splitter, so you can still write and structure posts.
On the free plan you get the same composer with 52 templates (hooks, threads, lists, stories and more), your own templates and the Thread it splitter without AI. Premium adds the AI actions above, and the 30-day Premium trial lets you test them on your own computer before you decide. AI suggestions are drafts; you stay responsible for what you post.
Every Premium feature is included in the free 30-day trial. No credit card.
GrowX AI needs no API key and has no per-use fees, because it runs on the AI model built into Chrome. It is part of GrowX Premium, which you can try free for 30 days without a credit card.
No. It runs on your computer using Chrome's built-in AI model, and nothing is sent to GrowX.
Your Chrome version or computer cannot run the built-in model yet, for example because of limited memory or disk space. GrowX falls back to templates and the plain thread splitter so you can keep writing.
Thread it turns a long draft or notes into a numbered thread, and Write can start from a topic. Review every part and fill the placeholders before you post.
No. It only fills the composer or suggests text. You decide what to post, and replies are only sent when you press the button.
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Install GrowX for free and create your account in under a minute. Try every Premium feature for 30 days: no credit card, no commitment.
