10x Your LinkedIn
& Reddit.

AI-powered posts, comments, DMs & more across LinkedIn and Reddit. Free, private, works offline.

Add to Chrome, Free
5.0
0+Users
Privacy-First
What Users Say

Loved by LinkedIn Creators

Mariana Costa

Mariana Costa

“The DM reply feature is a game-changer. It reads the conversation and generates natural responses instantly.”

Daniel Okafor

Daniel Okafor

“I love that my API keys stay in my browser and nothing goes through a middleman. Privacy done right.”

Ananya Reddy

Ananya Reddy

“17 tones! I switch between Professional for work posts and Witty for engagement comments. Love the customization.”

9 Powerful Modes

Two Platforms, AI-Powered

From LinkedIn reposts to Reddit comments, Quillzy puts an AI assistant wherever you write.

LinkedIn

Repost Mode
Add thoughtful commentary when sharing others' content. AI reads the original post (including images) and generates engaging commentary.
  • Image-aware AI analysis
  • 17 tones + custom tone
  • Streaming response
Repost Mode screenshot
New Post Mode
Write a rough draft and let AI rephrase it into polished LinkedIn content while keeping your voice.
  • Preserves your voice
  • Word count control
  • Custom system prompts
New Post Mode screenshot
Comment Mode
Generate short, context-aware comments on feed posts, company pages, profile feeds, and activity pages.
  • Reads post context
  • Compact in-line toolbar
  • Max 300 characters
Comment Mode screenshot
DM Reply Mode
AI reads the last few messages in your conversation and generates a natural reply.
  • Conversation-aware
  • Natural tone matching
  • Works in overlays
DM Reply Mode screenshot
Connection Note
Generate personalized connection request notes. AI reads the recipient's profile and crafts a warm note.
  • Profile-aware
  • Max 200 chars
  • Warm & genuine
Connection Note screenshot

Reddit

New
Reddit Comment
Generate thoughtful, subreddit-aware comments on any Reddit post. AI reads the full post and community context.
  • Subreddit-aware tone
  • No hashtags, authentic voice
  • Max 500 characters
Reddit Comment screenshot
Reddit Post
Enhance your Reddit post drafts into polished, engaging content with Reddit-native formatting.
  • Reddit formatting
  • Word count control
  • Preserves your voice
Reddit Post screenshot
Reddit Chat
AI reads the conversation thread in Reddit chat and generates natural, context-aware replies.
  • Conversation context
  • Natural tone matching
  • Works in chat iframes
Reddit Chat screenshot
Choose Your AI

Three AI Providers, One Extension

Pick the provider that fits your needs. Switch anytime. Your content workflow stays the same.

Browser AI
Recommended
FREE
Runs completely on your device with Gemini Nano
  • No API key required
  • Works offline
  • Your data never leaves your browser
  • One-time model download
Google Gemini
Cloud API with free tier available
  • Gemini 2.5 Flash, 2.5 Pro, 2.0 Flash
  • Image-aware commentary
  • Free tier available
OpenAI GPT
Premium cloud API
  • GPT-5 Nano, GPT-4o, GPT-4.1, GPT-5 Pro
  • Image-aware commentary
  • Premium quality
Plus Free Tier:
ChatGPT
Claude
Gemini Web

Use web interfaces directly. Quillzy auto-fills the prompt

Simple Setup

Up and Running in 3 Steps

1

Install

Add Quillzy to Chrome in one click. No sign-up required.

Step 1: Install
2

Configure

Choose your AI provider. Browser AI is free and works offline. Or add your own API key.

Step 2: Configure
3

Write

Open LinkedIn or Reddit and start creating. Quillzy's AI toolbar appears right where you need it.

Step 3: Write
Privacy First

Your Data Stays Private

Bring Your Own Key
You control your API keys and costs. We never see them.
Zero Data Collection
No tracking, no analytics, no personal data stored. Ever.
On-Device AI
Browser AI processes everything locally. Your data never leaves your browser.
Direct Connection
API calls go straight from your browser to the AI provider. No middleman.
Yogendra Singh
Meet the Maker

Built by Yogendra Singh

Founder of Quillzy · Making LinkedIn & Reddit engagement effortless

I was tired of writing “Great post.”
So I built the tool I wished existed.

Quillzy runs locally, writes in your voice, and never touches your data.

Check my other productsBuy me a coffee
FAQ

Frequently Asked Questions

Ready to Write Smarter?

Join thousands of creators using Quillzy on LinkedIn and Reddit. Free, private, and works offline.

Add to Chrome, Free