Postlin

Most people know they should post on LinkedIn. Almost nobody does it consistently. Not because they lack ideas — but because going from a rough thought to a polished, published post takes more effort than it should.
Postlin is an AI-powered LinkedIn assistant that handles the hard part. Draft, refine, schedule, and publish — all from one place.
The Problem
Building a LinkedIn presence is one of the highest-ROI activities for developers, founders, and professionals. But the workflow is fragmented: you write in one place, edit in another, manually post at the right time, and hope the algorithm cooperates.
The result? Most people post sporadically, burn out, and go quiet.
The Product
Postlin brings the entire content workflow into a single, focused interface.
Connect with Google, optionally link your LinkedIn account, and you're in. From there:
Write with AI assistance. Type a rough idea or a topic you care about. Postlin uses AI — powered by your own Gemini key — to turn it into a ready-to-publish post. Different content styles available: Story, Crisp, List, Case Study, and more.
Schedule without thinking about timing. Pick a date and time, and Postlin queues the post. It goes out automatically — no reminder needed, no manual copy-pasting at 8am.
No LinkedIn connection? No problem. You can generate and copy posts manually if you're not ready to connect your account. Full AI drafting, zero commitment.
Track what's working. Once connected, Postlin surfaces engagement data per post so you can see what resonates and double down on it.
The Experience
The onboarding is intentionally minimal. Sign in with Google, add your Gemini API key (used exclusively for your content — never shared), and you're generating posts within two minutes.
The AI doesn't produce generic filler. Each style template is tuned to how content actually performs on LinkedIn — short hooks, clear structure, a single strong takeaway. The output feels like something you'd actually write, not something that screams "AI wrote this."
What Makes It Different
Most LinkedIn tools either give you generic templates or require a team subscription. Postlin is personal-first — your key, your content, your voice. The AI adapts to how you use it, and everything stays yours.
The scheduling pipeline runs reliably in the background. No manual check-ins, no missed posts because you forgot to open a tab.