See the magic in action
Select a tone below and watch CommenX craft the perfect response instantly.
Excited to announce that our team has successfully deployed the new infrastructure! It was a long weekend but the results are worth it. We've seen a 50% reduction in latency and massive stability improvements. Kudos to the engineering team! 🚀 #devops #tech #milestone
Stop staring at the blank comment box
We get it. You want to engage on LinkedIn, but crafting thoughtful comments takes time you don't have. CommenX solves this.
Hours lost every week
Get back 10+ hours monthly
Stop overthinking every comment. Generate authentic replies in seconds, not minutes.
Missed networking opportunities
Never miss a chance to connect
Engage consistently with your network without the mental burden of crafting each response.
Inconsistent LinkedIn presence
Build your brand systematically
Stay visible and relevant with regular, thoughtful engagement that builds your professional reputation.
Generic, forgettable comments
Stand out with authentic engagement
Context-aware comments that sound like you, not a bot. Make a real impression every time.
saved every month per user
average time to generate a comment
average increase in engagement
Built for LinkedIn pros who want to look brilliant
Everything you need to engage authentically—no fluff, no nonsense.
Sounds like YOU
No robot voice. We read the vibe, understand the context, and write replies that match your personality perfectly.
Pick Your Energy
Friendly vibes? Professional mode? Witty flex? Choose your tone and watch the magic happen. Custom tones too.
Context-Aware
We don't just generate replies—we understand the post, the sentiment, and what matters. Relevance guaranteed.
Click & Done
Generate a reply and insert it into LinkedIn in one smooth motion. No copy-pasting, no fiddling around.
Your Data = Your Business
We don't store your LinkedIn data. Ever. What stays between you and us is only what's needed.
Lightning Fast
Lightweight extension that won't slow down your browser. Comments generated in seconds, not minutes.
Works in Any Language
LinkedIn global? So are we. Writes naturally in 15+ languages. We got your back worldwide.
Smart & Civil
Built-in guardrails keep your replies thoughtful, helpful, and on-brand. No spam, no yikes.
Built for everyone growing on LinkedIn
Whether you're selling, hiring, or building—CommenX amplifies your voice.
Sales Professionals
Build relationships before pitching. Engage with prospects' content meaningfully to get on their radar without being salesy.
Job Seekers
Don't just apply—network. Comment on hiring managers' posts to show expertise and stand out from the pile of resumes.
Thought Leaders
Consistency is key. Keep your audience engaged by replying to comments on your posts and engaging with peers daily.
Founders & Builders
Build in public effectively. Engage with potential users, investors, and partners to build momentum for your product.
3 steps to commenting greatness
Simpler than you think. No setup headaches, no confusion. Just install, log in, and go.
- 01Install & auto-sync (literally one click)
Add CommenX from Chrome Web Store. Log in once on our site, and we automatically sync your token to the extension. No API keys, no copying tokens. Done.
- 02Pick your vibe
Friendly energy? Corporate professional? Witty and clever? Choose your tone (or describe your own) and let the AI learn your style.
- 03Generate & post
Find a LinkedIn post, click CommenX, and boom—a perfectly crafted reply appears. One click to insert it into the comment box.
Loved by LinkedIn pros
Join thousands of professionals who are saving time and growing their network.
"I used to spend 30 minutes writing one comment. Now I do 10 in 5 minutes. The tone matching is scary good."
ARAlex RiveraGrowth Marketer"Finally an AI tool that doesn't sound like a generic bot. My engagement is up 400% since I started using CommenX."
SCSarah ChenSaaS Founder"The 'Professional' tone is perfect for my corporate network. It helps me stay visible without risking my reputation."
MBMichael BoltonEnterprise Sales"As a non-native English speaker, this is a lifesaver. It fixes my grammar and makes me sound native."
DFDiego FernandesSoftware Engineer"I was skeptical about AI comments but this actually reads the post context properly. Highly recommend."
JWJessica WuRecruiter
"I used to spend 30 minutes writing one comment. Now I do 10 in 5 minutes. The tone matching is scary good."
ARAlex RiveraGrowth Marketer"Finally an AI tool that doesn't sound like a generic bot. My engagement is up 400% since I started using CommenX."
SCSarah ChenSaaS Founder"The 'Professional' tone is perfect for my corporate network. It helps me stay visible without risking my reputation."
MBMichael BoltonEnterprise Sales"As a non-native English speaker, this is a lifesaver. It fixes my grammar and makes me sound native."
DFDiego FernandesSoftware Engineer"I was skeptical about AI comments but this actually reads the post context properly. Highly recommend."
JWJessica WuRecruiter
Frequently asked questions
Your privacy is our #1 priority
We believe your professional data belongs to you. That's why we've architected CommenX to be private by design.
No Data Storage
We never store your LinkedIn posts or generated comments.
Local Processing
Your session tokens stay securely in your browser/local storage.
LinkedIn Compliant
We operate within standard browser automation limits to keep your account safe.