AI LinkedIn comment generator.
Paste a LinkedIn post and get three comments written to be read by your own network, not just the author. For consultants, founders and salespeople who use commenting as a visible, low-cost way to stay in front of an audience.
Polished and on-brand
Paste a post and hit generate to see comment ideas
Example LinkedIn comments
“This resonates deeply. I've seen the same pattern in [industry] — particularly around [X].”
“Really appreciate you sharing this. One thing I'd add is that [Y] also plays a critical role here.”
“The data on this is fascinating. Have you seen the research from [Z] that ties into this?”
Bolta writes your LinkedIn comments in your brand voice, automatically — and waits for your approval before posting.
You just used the LinkedIn Comment Generator. That was one output. Bolta does this every day, on schedule.
A LinkedIn comment is a small post with someone else's distribution
When you comment on LinkedIn, that activity is visible on your profile and can surface to your connections in their feed. You are effectively publishing a two-to-four sentence take with the reach of an account bigger than yours attached to it. That's why the comment section under a well-followed post is one of the highest-leverage places a B2B professional can spend ten minutes a day.
The comments that work read like the opening of a post you'd have written anyway: a claim, a reason, and something concrete from your own work. "We saw the same in a 40-person agency — the bottleneck wasn't headcount, it was approval time" does more for your reputation than a paragraph of agreement, and it takes less space.
Constraints worth knowing
The comment limit is 1,250 characters and LinkedIn truncates after roughly three lines with a "see more". Very short comments — the "Great post!" tier — are widely believed to be discounted in ranking and are certainly discounted by readers. Outbound links in comments tend to reduce the parent post's reach, which is why authors quietly resent them; if you need to share a resource, name it and offer to send it.
Timing is a real factor. LinkedIn tests a post with a small slice of the author's network in the first 60 to 90 minutes; comments landing in that window influence whether the post gets pushed further, and early comments accumulate the likes that keep them at the top of the thread.
How to use the generated comment
Choose the draft whose claim you can actually defend, then add the proof. Specific numbers, a client situation with the name removed, a year — these are the details that make a comment worth a profile visit. LinkedIn's audience is unusually alert to consultant-speak, so cut any sentence that could appear under any post on the platform.
Keep it to two to four sentences and put the sharpest one first, because that's the line that survives truncation. Then engage with the replies to your comment. A comment that starts a sub-conversation with the author is worth more than five comments that end on arrival.
Common mistakes on LinkedIn
"Insightful, thanks for sharing"
It's read as noise by humans and treated as low-value by the ranking. If you have nothing to add, react instead of commenting.
Pitching in the comments
A comment that pivots to your service in the second sentence damages the reputation the comment was supposed to build.
Dropping a link
It suppresses the author's reach and everyone experienced on the platform knows it. Offer the resource and send it on request.
Writing 1,200 characters
Past three lines you're behind a "see more" that most people don't tap. If the take needs that much room, make it your own post.
Free generator vs. Bolta
Free generator
- One post at a time
- Manual tone selection
- 3 instant comment suggestions
- No signup required
With Bolta
- Comments personalized to your voice
- Reusable brand context, not re-explained every time
- Automatically replies to comments on your LinkedIn posts
- Saved history you can revisit and reuse
Use LinkedIn Comment Generator in 3 Easy Steps
Paste the post
Copy a LinkedIn post you want to comment to and paste it into the generator.
Choose Your Tone
Select the vibe for your comment — supportive, witty, expert, or whatever fits the moment.
Use Your Comment
Copy one of the 3 generated comments and post it directly on LinkedIn.
Why choose Bolta LinkedIn Comment Generator?
Platform-Optimized
Comments are crafted specifically for LinkedIn's format, character limits, and audience expectations.
Engagement-Driven
Every comment is designed to spark a conversation, build rapport, or get liked — not just fill space.
Multiple Tones
Choose from 5 different tones to match your brand voice or the mood of the moment.
Build Real Relationships
Consistent, quality engagement is how you grow a following. This tool makes it easy to show up every day.
Save Hours Per Week
Stop spending 10 minutes staring at a comment box. Generate the perfect comment in seconds.
Automate the Replies You Already Get
Ready to stop doing this by hand? Bolta's Engager Agent replies to comments on your own LinkedIn posts automatically, in your voice.
Frequently asked questions
How does this LinkedIn comment generator work?
How long should a LinkedIn comment be?
Does commenting on LinkedIn actually generate business?
When is the best time to comment on a LinkedIn post?
Is this LinkedIn comment generator free?
Can it auto-reply to comments on my own posts?
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