Quillzy: AI LinkedIn Writer for Posts, Comments, DMs & Repost

Quillzy: free AI LinkedIn writer. Generate posts, reposts, comments & DM replies with Browser AI, Gemini or ChatGPT. Offline ready.

Write better LinkedIn posts, comments, DM replies, and connection notes in seconds with Quillzy. WHAT'S NEW IN v2.1.2 Major rebrand + feature update: New name: Quillzy: AI LinkedIn Writer AI Comment Generator for LinkedIn posts AI DM Reply for LinkedIn messaging Browser AI (FREE, offline, on-device) Image-aware AI for richer commentary 17 tones + custom tone support Max word count control FIVE MODES Repost Mode - Add thoughtful commentary when sharing others' content. AI reads the original post (including images) and generates engaging commentary. New Post Mode - Write a rough draft and let AI rephrase it into polished LinkedIn content while keeping your voice. Comment Mode - Generate short, context-aware comments on feed posts, company pages, profile feeds, and activity pages. Compact AI toolbar appears right in the comment box. DM Reply Mode - AI reads the last few messages in your conversation and generates a natural reply. Works in messaging pages and conversation overlays. Connection Note Mode - Generate personalized connection request notes when sending invitations. AI reads the recipient's profile and crafts a warm, genuine note (max 200 characters). THREE AI PROVIDERS Browser AI (Recommended - FREE) Runs completely on your device with Gemini Nano No API key, no cloud, works offline Your data never leaves your browser One-time model download Google Gemini Cloud API with free tier available Models: Gemini 2.5 Flash (recommended), 2.5 Pro, 2.0 Flash Supports image-aware commentary OpenAI GPT Premium cloud API Models: GPT-5 Nano (recommended), GPT-4o, GPT-4.1, GPT-5 Pro Supports image-aware commentary Free Tier (No API Key) Use ChatGPT, Claude, or Gemini web interfaces directly Quillzy auto-fills the prompt for you Works for posts, comments, DMs, and connection notes CUSTOMIZATION 17 built-in tones + custom tone support Max word count control per mode Custom system prompts Dark mode with auto-detection PRIVACY FIRST Your data stays private: Bring Your Own API Key - you control costs Zero data collection API keys stored locally in Chrome's secure storage Direct browser-to-AI connection (no middleman) Browser AI processes everything on-device COST Quillzy Extension is free. Three options: Browser AI: Completely free, runs on your device API Mode: Pay only for what you use (most users spend under $1/month) Free Tier: Use web-based AI platforms at no cost Get API keys free at https://ai.google.dev/ (Gemini) or https://platform.openai.com/api-keys (OpenAI). SUPPORT Issues: https://github.com/yogendrasinghx/quillzy/issues Privacy Policy: https://github.com/yogendrasinghx/quillzy/blob/main/PRIVACY_POLICY.md Developer: https://yogendrasingh.in