🧩 3 MV3 Templates · Zero Config · Load in 5 Minutes

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Popup tool, content script injector, and side panel app — all with working storage, messaging, UI, and service worker. Manifest V3. Open the folder, load in Chrome, it already works.

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The 3 Templates

Every Extension Pattern You'll Need

Three complete, working templates — each targeting a different use case. Pick the one that matches your idea and build from there.

🔲 Popup Tool Template 1

The classic extension: click the toolbar icon, get a popup. Perfect for text tools, format converters, quick lookups, or anything that processes data on demand.

Working popup UI + polished CSS
Background service worker (MV3)
Storage wrapper utility
Loading states and error handling
Keyboard shortcut support
Copy-to-clipboard built in
Message passing setup

💉 Content Script Injector Template 2

Inject UI into pages, extract data, and manipulate the DOM. Complete implementation with everything from text highlighting to email extraction — ready to extend.

Content script + content CSS
Text highlighting on selection
Floating button injection
Toast notification system
Email and data extraction utilities
Full DOM manipulation toolkit
Popup → content → background messaging

📋 Side Panel App Template 3

The most powerful template. A full side panel that stays open while you browse — with tab navigation, persistent notes, and real-time updates as you switch tabs.

Full side panel UI + CSS
Tab navigation (multi-section)
Local storage for notes and history
Real-time tab change detection
Page data integration
Content script communication
Session persistence

Manifest V3

Built for the Modern Chrome API

Manifest V2 is deprecated. Every template here is built specifically for MV3 — ready for Chrome Web Store review today.

⚙️

Service Workers No deprecated background pages. Proper service worker lifecycle management.

🛡️

No eval() Zero use of remote code or eval. Passes Chrome Web Store security review.

🔒

Proper Permissions Minimal host permissions with a clear guide to what to request and why.

📋

CSP Configured Content Security Policy pre-configured. No surprises at review time.

Also Included

Everything to Go from Template to Published

📋

Chrome Web Store ChecklistFull submission guide — screenshots, descriptions, privacy policy requirements, and review process tips.

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Permissions GuideWhat to request, what to avoid, and how to justify permissions to the Chrome Web Store reviewer.

⌨️

Keyboard ShortcutsComplete implementation guide for adding keyboard shortcuts to your extension.

⚙️

Options Page SetupFull guide to adding a settings/options page to your extension.

💰

Monetisation GuideRecommended pricing models for Chrome extensions — freemium, one-time, subscription.

⚛️

React + Vite GuideOptional: how to add a modern React + Vite build pipeline to any template.

Pricing

Three Templates. One Payment.

$47$97

Launch price · Instant download

Template 1: Popup Tool (complete working code)
Template 2: Content Script Injector
Template 3: Side Panel App
All templates are Manifest V3 compliant
Chrome Web Store submission checklist
Permissions guide
Keyboard shortcuts implementation
Options page setup guide
Monetisation recommendations
Unlimited client builds (single-user license)

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FAQ

Questions

Yes — built specifically for MV3. Uses service workers, not background pages. All templates pass Chrome Web Store policy requirements.

Basic JavaScript knowledge is required. The templates are well-commented and structured so they're easy to extend, but this isn't a no-code tool.

Yes — the single-user license covers unlimited client builds. You can't resell the templates themselves.

The templates use vanilla JS + ES modules for simplicity. A separate React + Vite build pipeline guide is included in the README if you want to add that later.

Open Chrome → chrome://extensions → Enable Developer Mode → Load Unpacked → Select the template folder. Takes under 30 seconds. The README has step-by-step screenshots.