According to AlphaMoat, as of 2026-09, the Chrome extension FormatIn has 15 users (+25% MoM), rated 5 (8 reviews) — ranked #8,138 of 9,324 AI browser extensions, and #751 of 888 in Marketing & Sales.
What is FormatIn
AI-powered LinkedIn post generator + formatter. Bold, viral, effortless. FormatIn AI — LinkedIn Post Formatter & Viral Post Generator
Finally bold, italic, strikethrough, and underline text directly inside LinkedIn posts. No copy-pasting. No third-party websites. Just select your text and format it instantly.
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✨ WHAT FORMSATIN AI DOES
🔤 TEXT FORMATTING — DIRECTLY IN LINKEDIN
- Bold text in LinkedIn posts (𝗹𝗶𝗸𝗲 𝘁𝗵𝗶𝘀)
- Italic text in LinkedIn posts (𝘭𝘪𝘬𝘦 𝘵𝘩𝘪𝘴)
- Bold Italic, Strikethrough, and Underline
- Select text → floating toolbar appears → one click to format
- Keyboard shortcuts: Ctrl+Shift+B (bold), Ctrl+Shift+I (italic)
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🤖 AI VIRAL POST GENERATOR
- Transforms any rough idea into a scroll-stopping LinkedIn post
- Choose from 8 post goals: Thought Leadership, Founder Story,
Celebration, Get Clients, Hot Take, Educational, Personal Story, Hiring
- 4 tone options: Direct, Inspiring, Vulnerable, Bold
- One-click apply — generated post goes straight into your LinkedIn editor
- Powered by your own API key (Gemini, Claude, GPT-4, or Groq)
⚡ ZERO FRICTION WORKFLOW
- Works directly inside LinkedIn's post editor
- Fixed floating button — always accessible, press Ctrl+Shift+F anytime
- Auto-detects your post content and polishes it instantly
- Clipboard fallback — never fails silently
🔑 BRING YOUR OWN API KEY
- Supports Google Gemini (free tier available)
- Supports Anthropic Claude
- Supports OpenAI GPT-4
- Supports Groq (free + ultra fast)
- Your API key is stored locally in your browser — never shared
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🔒 PRIVACY FIRST FormatIn AI stores your API key only in Chrome's local storage on your device. It is sent directly to your chosen AI provider and never to any FormatIn server. No data collection. No accounts required.
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PERFECT FOR: LinkedIn creators, founders, marketers, sales professionals, coaches, recruiters, and anyone who publishes on LinkedIn and wants their posts to look professional and get real engagement.
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HOW TO GET STARTED: 1. Install FormatIn AI 2. Go to Settings tab → add your free Groq API key (takes 30 seconds) 3. Open LinkedIn → Start a Post → click ✨ FormatIn AI 4. Generate a viral post or format your existing draft 5. Hit Apply — done
Get a free Groq API key at: console.groq.com/keys
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Data month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.