According to AlphaMoat, as of 2026-09, the Chrome extension PostIn has 47 users (+9.3% MoM), rated 4.8 (5 reviews) — ranked #5,564 of 9,324 AI browser extensions, and #411 of 744 in Writing.
What is PostIn
PostIn is your all-in-one LinkedIn growth tool — built to help you post smarter, faster, and go viral. PostIn is an AI-powered LinkedIn post generator designed to help you create high-engagement content in seconds. Whether you’re a developer, founder, marketer, job seeker, or content creator, PostIn makes it easy to write posts that get attention — without spending hours thinking or typing.
With PostIn, you can instantly generate viral-style LinkedIn posts, discover trending topics in your niche, and analyze what works on the platform. No more blank page. No more guessing what to post. Just pick a topic, click generate, and publish.
🔥 What PostIn does
- Creates human-sounding LinkedIn posts with emojis, hooks, and relevant hashtags
- Suggests trending topics and high-engagement content ideas for your industry
- Shows stats and insights so you can learn what types of posts perform best
- Helps you write in multiple tones: expert, storytelling, motivational, casual, etc.
- Saves time by eliminating writer’s block and repetitive manual writing
- Works directly on LinkedIn — no external website or copy-paste required
✅ Why install PostIn? ✔ Grow your personal brand on LinkedIn faster ✔ Post consistently even if you don’t have time to write ✔ Generate content that looks natural, not robotic ✔ Stay ahead of trends in your niche ✔ Increase visibility, engagement, and profile reach ✔ Perfect for people who want results but don’t want to “become a full-time writer”
👥 Who it's built for
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- Developers sharing their journey or side projects
- Founders, indie hackers, and startup builders
- Marketers and content creators
- Coaches, consultants, and solopreneurs
- Anyone building authority, a network, or hiring opportunities on LinkedIn
PostIn removes the friction of posting and gives you the power of AI + data in one simple extension. Create smart content, grow your audience, and stand out — without overthinking every post.
Install PostIn and start posting like a top 1% LinkedIn creator today.
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.