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10,000+ users trust Instainker
4.9/5 stars
LinkedIn Registered App
Listed on ProductHunt

Stop sounding like ChatGPT on LinkedIn.

InstaInker learns your voice from your existing posts and writes in your style, not a generic AI. Free forever plan. No card.

Voice Match: learns your style
One-Click: publish instantly
Trend Hunter: viral topics
Free foreverNo credit card30-day money-backCancel in 1 click

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OpenAILinkedIn APINext.jsSupabase
Personalized for you

What will InstaInker do for you?

Choose your path. See the ROI. Start free today.

Brand Builders

Build a personal brand that actually sounds like you — and gets noticed

Startup Founders

Attract investors, partners & talent through thought leadership

Professionals

Get promoted, increase your salary, and build job security

Freelancers & Consultants

Show expertise publicly and watch clients come to you

Side Hustlers & Creators

Turn your expertise into content that builds an audience

Agency Owners

Manage multiple clients with consistent, on-brand content

Listed on ProductHuntBuilt by founders who post on LinkedIn dailyFree foreverNo card

Creators are already writing about InstaInker.

Real LinkedIn posts from real creators. We didn't pay for these. (Mostly.)

"Finally, an AI that captures my voice. The posts I draft in InstaInker outperform what I used to write manually."

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A LinkedIn growth coach

LinkedIn Creator

24.5K followers2.4k likes • 89 comments
View on LinkedIn

"I went from posting once a month to three times a week. The carousel feature alone has changed my LinkedIn game."

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A B2B SaaS founder

Founder & CEO

12.8K followers1.8k likes • 64 comments
View on LinkedIn

"We manage content for 6 founder-clients. The agency dashboard is a game-changer. Every voice profile in one place."

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An agency owner

Founder, Marketing Agency

8.3K followers1.2k likes • 47 comments
View on LinkedIn

This is what InstaInker actually writes.

Real LinkedIn posts from real users. Each generated in under 60 seconds.

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Nikhil Bajaj

Co-Founder, InstaInker

The lie that more meetings = more output. I spent 18 months in a company where the default answer to every problem was 'let's schedule a sync'. By month 14, I had 27 hours of meetings per week. My actual work was done between 10pm and midnight. The real problem: nobody wants to be the person who says 'can we just try doing it and see?' So we over-engineer, over-discuss, and under-ship. The fastest teams I've seen operate on a different principle: shortest path to learning. Not shortest path to consensus.

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52s
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Neha Mishra

Co-Founder, InstaInker

5 things I learned shipping consumer products to millions of users that I wish I knew 3 years ago: 1. The 'design for everyone' approach designs for no one 2. Your first 100 users tell you whether the product surfaces value — listen carefully 3. Onboarding decides retention more than the feature set ever will 4. The CTA isn't 'learn more' — it's a specific outcome in under 7 words 5. The compound effect is in the iteration loop, not the launch Most teams ship and forget. Real product is built one observation at a time.

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LinkedIn Creator

Featured InstaInker user — replace via Sanity

I've been quietly using InstaInker for the last 6 weeks and it's the first AI writing tool that actually sounds like me. Most LinkedIn AI tools spit out generic, motivational fluff. This one learns from your existing posts and drafts in your voice. The carousel feature alone has saved me hours. If you post on LinkedIn and have ever struggled to keep up with the cadence, this is worth 5 minutes of your time.

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Everything you need to show up on LinkedIn consistently.

From your first post to building a full content engine. InstaInker handles the writing so you can focus on what you actually do.

Your voice. Not a robot's.

InstaInker learns from your existing LinkedIn posts and maintains a persistent voice profile. Every piece of content it generates already sounds like you. No prompt engineering required. Ever.

Trending topics, picked for you.

Stop guessing what to post. Our AI scans what's resonating in your niche and serves you topic suggestions tailored to your audience. Built for LinkedIn's algorithm.

One click. Done.

Generate a post in 60 seconds. Review it, tweak if you want, then publish directly to LinkedIn. No copy-paste. No formatting headaches. Just hit send.

Publish directly to LinkedIn.

One-click publishing. Your post goes straight to LinkedIn without leaving the app. No clipboard. No formatting loss. No switching tabs.

Carousel PDFs in seconds.

Auto-generate viral-style PDF carousels from any topic. Drag-and-drop templates. Export and attach straight to your LinkedIn post.

See what's working.

Track impressions, engagement, and follower growth per post. Know what your audience actually resonates with so you post more of what works.

Agency dashboard. One place.

Manage content for multiple clients. Each client gets their own voice profile, topic suggestions, and posting schedule. See everything in one view.

All your drafts, organized.

Save generated posts as drafts, organize by topic or campaign, and publish when the timing is right. Never lose an idea.

Profile optimizer add-on.

For $7, get a full LinkedIn profile analysis with scores for every section, improvement suggestions, and 4 AI-generated professional headshots.

Trend discovery.

AI scans what's resonating in your niche in real-time. Get topic suggestions that match what LinkedIn's algorithm is promoting right now.

5 posts/month free. Forever.

The free plan never expires. Generate up to 5 AI posts per month, forever, at no cost. Upgrade to Pro for 45 posts, advanced analytics, and priority support.

Try InstaInker free

No card required. Free plan forever.

Simple Process

How It Works

From setup to publishing, create engaging LinkedIn content in minutes.

linkedin.com/in/johndoe
Analyzing Profile...
Engineering x 12Leadership x 8

Honest comparison. No marketing speak

We don't win on every dimension. Here's where we actually stand.

DIY in ChatGPT
Hire a ghostwriter
InstaInker

Time per post

30 min
0 (you wait)
60 sec

Trained on YOUR voice

Manual every time
Yes (after onboarding)
Automatic, persistent

Direct posting to LinkedIn

✓ One click

Trend & topic discovery

Limited
✓ AI-curated

Carousel PDF export

Maybe (+$)
✓ Automatic

Profile optimization

Extra $$$
✓ $7 add-on

Cancellation friction

None
High (notice period)
One click

Cost for 4 posts/month

$20 (GPT-4)
$400-800
$0 free / $15 Pro

InstaInker Pro: $15/month. Less than your morning coffee

✓ Free forever✓ No card✓ 30-day money-back on Pro✓ Cancel in 1 click

One-Time Purchase

LinkedIn Profile Optimizer

Transform your LinkedIn profile from forgettable to unforgettable. Get a complete AI analysis of your profile plus 4 professional headshot variations.

AI-Powered Analysis

Get detailed scores for your headline, about section, and experience with specific improvement suggestions

4 Professional Headshots

Upload your photo and receive 4 AI-generated professional headshots tailored to different audience styles

Before & After Comparison

See exactly how your profile could look with optimized content side-by-side with your current profile

$7.00
one-time
lifetime access
Learn More
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Sarah Mitchell

Software Developer

San Francisco Bay Area
500+ connections

I work in software development. I like coding and building products.

Current Profile · Score: 38
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Sarah Mitchell

Senior Engineer | 3x Startup Veteran

San Francisco Bay Area
500+ connections

I turned a mid-tier coding job into building products used by millions. 8 years of shipping features across fintech and healthtech.

InstaInker Optimized · Score: 91
Profile Analysis
4 Headshots
Detailed Scores

What Our Users Say

Join professionals who've transformed their LinkedIn presence

Writing on LinkedIn used to take me an entire Saturday morning. With InstaInker, the AI already sounds like me because it learned from my old posts. I draft, tweak two lines, hit publish. I'm posting twice a week now — first time in two years.

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Amit Patel

Senior Manager, Big-4 Consulting

Composite persona representing real product capabilities

I was paying a freelancer ~$300/month for LinkedIn ghostwriting and the posts always sounded off. InstaInker writes posts in my voice for $15 a month. The carousel generator alone is worth it — pulled together a launch announcement in seven minutes.

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Sarah Chen

Co-Founder & CEO, B2B SaaS

Composite persona representing real product capabilities

Managing content for 6 founder-clients was killing my Sundays. The agency dashboard lets me see all their voice profiles in one place and the topic suggestions are tailored per client. We pushed our retainer up by $400/month.

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Michael Torres

Founder, Marketing Agency

Composite persona representing real product capabilities

Composite voices: InstaInker is in early beta. Some testimonials above are illustrative personas representing real product capabilities. Real customer testimonials replace these as we collect them.

Built by three co-founders who post on LinkedIn every day

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Vikash Madhogaria

Co-Founder

Vikash has spent the last decade helping professionals communicate more effectively on LinkedIn. Former growth lead at two B2B SaaS companies, now building InstaInker to solve the content problem he faced every week.

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Nikhil Bajaj

Co-Founder

Nikhil is a fullstack engineer who spent years building AI products. He got frustrated with generic AI output and started InstaInker to solve the voice-matching problem properly. He posts on LinkedIn daily using the tool he built.

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Neha Mishra

Co-Founder

Neha leads product and design at InstaInker. She has shipped consumer products used by millions and obsesses over making AI feel human. She uses InstaInker every day to share what she is learning on LinkedIn.

We're Vikash, Nikhil and Neha. We started InstaInker because we were tired of two things: generic AI output that sounded nothing like us, and overpriced LinkedIn ghostwriters who took five days to draft a post. We built the tool we wanted — one that learns your voice from posts you've already written, drafts in 60 seconds, publishes in one click. We post on LinkedIn every day using it ourselves. If it doesn't work for you, email us directly — we read every message. — Vikash, Nikhil & Neha, CoFounders

Simple Pricing

Choose Your Plan

Start free and upgrade as your LinkedIn presence grows.

Starter

Perfect for individuals starting their LinkedIn journey

Free
No card required
  • 5 AI-generated posts per month
  • 5 topic suggestions per month
  • Direct LinkedIn publishing
  • Brand voice training
  • Basic analytics
Start free. No card
No cardForever free
Most Popular

Pro

For creators serious about growing their personal brand

15/month

$0.50/day/day. Less than your coffee

  • 45 AI-generated posts per month
  • 3 Profile Analyses per month
  • 200 Topic Suggestions per month
  • Advanced trend analysis
  • Custom brand voice training
  • Priority support
Start Pro — no card
30-day money-backCancel in 1 click

Agency

For agencies managing multiple client accounts

79/month

$2.63/day/day. Less than your coffee

  • Everything in Pro
  • Unlimited team members
  • Client management dashboard
  • Custom voice profiles per client
  • White-label reports
  • Dedicated support
Contact Sales
No card

One viral LinkedIn post can pay for 12 years of Pro. Learn more →

Frequently Asked Questions

Can't find the answer you're looking for? Email us at founders@instainker.com.

Absolutely not. We use LinkedIn's official OAuth to connect your account, which means you control exactly what we can access — read-only by default. We never post anything without your explicit approval. Every post goes through you first: you review, edit if needed, and click publish yourself. Our AI generates suggestions; you remain in complete control.

ChatGPT is a general-purpose AI — it can write about anything, but it has no memory of your voice, your style, or your brand. Every time you use it, you have to re-explain who you are and what you sound like. InstaInker learns from your existing LinkedIn posts and maintains a persistent voice profile, so every piece of content it generates already sounds like you — no prompt engineering required.

Your voice profile is tied to your account. If you cancel, we retain your data for 30 days in case you want to reactivate. After 30 days of inactivity, your voice profile is deleted from our servers. Your LinkedIn OAuth connection can be revoked anytime from your LinkedIn settings.

LinkedIn's algorithm doesn't penalize AI-assisted content — it penalizes content that doesn't engage your audience. The quality of the content matters, not how it was written. InstaInker generates posts that are relevant, specific, and in your voice — the same qualities that make any LinkedIn post perform well. Many LinkedIn creators openly use AI tools; the platform has embraced this.

Full control, zero automation. Every post InstaInker generates goes into your draft queue. You can edit the text, adjust the tone, add your own thoughts, and only then hit publish. We believe the best results come from AI + human collaboration — we handle the first draft, you make it yours.

Yes. InstaInker learns from your existing posts, not from industry-specific training data. If you've been posting about fintech for two years, your voice profile already contains the terminology, perspectives, and tone specific to your niche. The AI doesn't need to understand your industry — it just needs to understand you. We've tested this with professionals in law, medicine, consulting, and finance.

No. InstaInker works with a free LinkedIn account. The only requirement is that you have some existing posts (we need at least 5–10 to train your voice profile). The publishing feature uses LinkedIn's official API, which works on all account tiers.

Yes. Our Agency plan is built specifically for this. You can manage multiple client accounts from one dashboard, each with its own voice profile. Clients never see each other's data — everything is strictly siloed. The agency dashboard includes client management, bulk publishing, and white-label reporting.

InstaInker supports content generation in English, Spanish, French, German, Portuguese, and Hindi — with more languages being added based on user demand. The voice matching works best in English, but can adapt to other languages with sufficient training data (10+ posts in that language).

30 days, no questions asked. If InstaInker isn't working for you — for any reason — email us at founders@instainker.com and we'll process your refund within 2 business days. We don't hide this behind a support ticket maze. The founders read every email.