This repository contains public documentation and legal information for the Quillzy: AI LinkedIn Writer Chrome Extension.
Repost Mode - Generate AI-powered commentary when sharing posts
Comment Mode - Generate context-aware comments on posts
DM Reply Mode - Generate conversation-aware replies in messaging
Settings - Configure AI providers, tones, and preferences
All Modes - Overview of available AI writing modes
- Privacy Policy - How we handle your data (spoiler: we don't collect any)
- Terms of Service - Terms and conditions for using the extension
- Chrome Web Store: Quillzy: AI LinkedIn Writer
- Developer: Yogendra Singh
Quillzy is a free, privacy-first Chrome extension that uses AI to help you write better LinkedIn content — posts, reposts, comments, DM replies, and connection notes — in seconds.
- Repost Mode: Generate compelling commentary when sharing someone else's post (with image-aware AI)
- New Post Mode: Rephrase and enhance your own draft content while keeping your voice
- Comment Mode: Generate context-aware comments on feed posts, company pages, profile feeds, and activity pages
- DM Reply Mode: Generate conversation-aware replies in LinkedIn messaging
- Connection Note Mode: Generate personalized connection request notes when sending invitations
- Browser AI (Gemini Nano): Free, on-device, works offline — no API key needed
- Google Gemini: Cloud API with free tier available
- OpenAI GPT: Premium cloud API
- Free Tier: Use ChatGPT, Claude, or Gemini web interfaces without any API key
- Image-Aware AI: Extracts post images for richer, visually-aware commentary
- 17 Tones: Professional, Casual, Witty, Inspirational, Storytelling, Custom, and more
- Max Word Count: Control the length of generated content per mode
- Custom Prompts: Create and manage your own prompt templates
- Privacy-First: API keys never leave your browser. Browser AI runs 100% on-device
- Dark Mode: Automatic theme detection with manual toggle
- BYOK Model: Bring Your Own Key — you control costs
We take your privacy seriously:
- No data collection — We don't collect, store, or transmit any personal data
- Local storage only — API keys stored in Chrome's encrypted storage
- Direct API calls — Your browser communicates directly with AI providers
- On-device AI — Browser AI processes everything locally, data never leaves your browser
- No tracking — No analytics, telemetry, or usage monitoring
Read our full Privacy Policy for details.
For questions, concerns, or support:
- Developer Portfolio: https://yogendrasingh.in
The extension is proprietary software. All rights reserved.
This documentation repository is provided for transparency and Chrome Web Store compliance.
Last Updated: February 25, 2026