Built for founders and solo builders who post daily on LinkedIn. You write the draft — HitReplAI generates voice-matched comments that don't sound like AI slop.
No signup · No account · Installs in 10 seconds
Made by a founder who posts on LinkedIn daily — not an AI-first startup.
AI comments are everywhere on LinkedIn now. Everyone can spot them. Here's what they look like next to a voice-matched comment.
"After 10 years in B2B, the biggest lesson: users don't want features, they want outcomes."
"Great post, Sarah! This really resonated with me. In today's world it's so important to focus on outcomes. Thanks for sharing this valuable perspective! 🙏🚀"
"After 10 years in B2B, the biggest lesson: users don't want features, they want outcomes."
"Ten years in and this still trips up most PMs. The unlock for us was reframing every roadmap item as a before/after state for the user. Hard to greenlight vanity features when you're forced to name the outcome first."
Or start free — 5 comments/day, no card needed
You write a rough draft. HitReplAI rewrites it in 4 tones. Pick one and post.
Type the reply the way you normally would — rough is fine.
Hit ✨ Enhance to polish tone and clarity.
See your draft in 4 tones. Pick the best fit and insert with one click.
Write your draft. Get 4 tone versions back. Pick one.
Paste a few of your posts. It learns your rhythm and writes in it.
See how your draft reads before choosing an improved version.
Thoughtful, Warm, Concise, and Challenger — distinct every time.
Paste 3 LinkedIn posts you've already written. We extract your rhythm, vocabulary, and style. From then on, every enhanced comment sounds like you wrote it — not like ChatGPT.
Open the extension → My Voice tab → paste LinkedIn posts you've already written.
Sentence rhythm, vocabulary, formality level, your typical openers — stored locally in your browser.
Your fingerprint is injected into every generation. The model writes in your rhythm, not its default.
Pick the one that fits the post.
Click any comment box on any LinkedIn post. The ✨ Enhance button appears automatically — no copy-paste, no tab-switching.
On any post in your feed. Appears the moment you click the comment box.
On LinkedIn articles and newsletters. Same flow, same button.
Replying to a comment on your own post. Works there too.
Also works on Twitter/X, Reddit, YouTube, GitHub, Threads, and Hacker News.
Start free. Upgrade when you need more.
5 free comments/day, 4 tones, voice-matched.
Voice Profile + unlimited comments. Sounds like you.
Best value, equivalent to $5.75/mo billed annually.
Yes — but Voice Profile matters more than the model. The banned phrase list, sentence rhythm rules, and your personal style fingerprint constrain the output so it sounds like you, not like generic AI. The model is a commodity; your fingerprint is the differentiator.
Voice Profile training (every comment sounds like you), unlimited comments, and the same 4 tones and current-tone view. Voice Profile is the main reason to go Pro.
No PII is stored. Device ID stays local. Usage counts are anonymous.
Only the draft reply you actively enhance is sent for processing. We don't store your reply text.
You get 5 comments per day, reset at midnight UTC.
Desktop Chrome only for now.
Yes, any Chromium browser works.
Cancel anytime from your subscription management link.