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Chrome extension i18n boilerplate

Ship multilingual Chrome extensions with an i18n-ready starter template for SaaS: localization, Manifest V3, content & background scripts, options UI.

Chrome
+
i18n
Only 4 licenses left before price increase
Lee RobinsonMarcus QuinnJamesGabe CorrJohn Champ
90+
trusts TurboStarter
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What makes it different?

Game-changing features to launch at Turbo speed

Everything you need to launch your SaaS in no time.

Cross-Platform Development

Build for web, mobile, and browser extension simultaneously with a unified codebase.

25+ SaaS Ideas

Don't know what to build? We have 25+ ready-to-use ideas to get you started. Rated 5.0 by 100+ users.

Internationalization

Reach a global audience with built-in multi-language capabilities. Internationalization supported out of the box.

One-click Deployment

Publish all your apps to all users with a single command. No more manual work.

Wait! There's more!

Multi-platform Flow

Redirect your users between web app, mobile app and browser extension. Give them experience of a whole ecosystem of your apps.

Authentication

Comprehensive auth flow with email/password, magic link, social login, and two-factor authentication.

Billing

Easily handle one-time or recurring payments from your customers with built-in support for popular providers.

Organizations/teams

Group users together in organizations and assign roles or permissions to them. Best fit for B2B SaaS and RBAC structures.

Landing Page

Beautiful, conversion-optimized landing page with hero sections, features showcase, testimonials, and pricing tables.

SEO, Sitemaps & Marketing

Meta tags, social media images, store listing, sitemaps, marketing presence and more.

AI editors support

Support for popular AI editors like Cursor, Copilot, and more to generate code faster and more accurately.

Tips & Tricks

How to market your SaaS, tech stuff, SEO hacks, mobile reviews tricks and many, many more.

CLI

Create a new app with a single command - customize providers, bootstrap config and deploy right from your terminal.

🌍 Global Chrome Extension Development

Reach international markets with multilingual Chrome extensions. Built-in internationalization support for 100+ languages with Chrome's native i18n APIs and professional localization workflows.

Extension Internationalization Benefits

Chrome extensions with proper i18n support reach 4x more users globally. Our template leverages Chrome's native internationalization APIs for seamless multilingual experiences.

i18n Features:

  • Chrome i18n API: Native Chrome internationalization with message catalogs
  • Automatic Detection: Browser language detection with fallback support
  • RTL Support: Right-to-left language support for Arabic, Hebrew, and others
  • Locale-Specific Assets: Localized images, icons, and multimedia content
  • Dynamic Content: Real-time language switching without extension restart

🚀 Chrome i18n Implementation

Message Catalogs

Structured Translations
Organized message files with placeholder support and pluralization rules. Context-aware translations for better accuracy.

Substitution Variables
Dynamic content insertion with type-safe variable substitution. Number formatting and date localization.

Message Descriptions
Detailed context for translators with usage examples. Translation quality assurance and consistency guidelines.

Language Detection

Automatic Locale Detection
Chrome's built-in language detection with user preference override. Geographic and browser setting-based detection.

Fallback Strategies
Intelligent fallback to similar languages and default locale. Graceful degradation for unsupported languages.

Extensions with proper i18n can increase global user adoption by 300% in non-English markets.


🎨 Localized User Interface

Extension Components

Popup Localization
Multilingual popup interfaces with dynamic text replacement. Layout adaptation for different text lengths.

Options Page i18n
Comprehensive options page localization with cultural adaptations. Form labels, help text, and navigation elements.

Context Menus
Localized context menu items with proper keyboard shortcuts. Cultural menu organization patterns.

Content Script Localization

Website Integration
Localized content injection that respects website language. Contextual UI elements with proper language matching.

Notification Localization
System notifications in user's preferred language. Rich notification content with cultural formatting.


📝 Content Management

Translation Workflow

Professional Translation
Integration with professional translation services. Quality assurance and linguistic review processes.

Crowdsourced Translation
Community translation platforms and contributor management. Translation validation and approval workflows.

Machine Translation
AI-powered translation for rapid localization. Human review and quality improvement processes.

Dynamic Content

Real-Time Updates
Dynamic content localization without extension updates. Server-side translation management and delivery.

Contextual Translation
Webpage context-aware translation and adaptation. Cultural and regional content customization.


🌐 Cultural Adaptation

Regional Customization

Cultural UI Patterns
Region-specific UI layouts and interaction patterns. Color schemes and imagery adapted for different cultures.

Local Compliance
Regional privacy laws and content regulations compliance. GDPR, CCPA, and local data protection requirements.

Format Localization

Date & Time Formatting
Cultural date, time, and number formatting. Calendar systems and time zone handling.

Currency & Units
Local currency display and unit conversions. Regional measurement systems and formatting.


🛠️ Development Tools

i18n Development

Message Extraction
Automatic extraction of translatable strings from code. Development workflow integration and automation.

Translation Validation
Compile-time validation of translation completeness. Missing translation detection and warnings.

Pseudo-Localization
Testing tool for layout and text expansion issues. UI testing with simulated translations.

Testing Framework

Locale Testing
Automated testing across different locales and languages. Cultural adaptation validation and regression testing.

RTL Testing
Right-to-left language layout testing and validation. Bidirectional text handling and UI mirroring.


📈 Analytics & Insights

Language Analytics

Usage by Locale
Detailed analytics on language preferences and usage patterns. Market opportunity identification by region.

Translation Effectiveness
Translation quality metrics and user satisfaction scores. A/B testing for different translation approaches.

Market Intelligence

Regional Performance
Country and language-specific performance metrics. Localization ROI and market penetration analysis.

Cultural Insights
User behavior analysis across different cultures. Feature usage patterns by geographic region.


🚀 Publishing & Distribution

Store Localization

Listing Optimization
Localized Chrome Web Store listings with cultural adaptations. Screenshots and descriptions in multiple languages.

Regional SEO
Keyword optimization for different languages and markets. Cultural search behavior and discovery patterns.

Global Rollout

Phased Deployment
Strategic market entry with phased language rollouts. Market testing and validation before full localization.

Regional Support
Localized customer support and documentation. Community management in multiple languages.


🎯 Use Cases & Applications

Productivity Extensions

Business Tools
Multilingual business productivity extensions for global teams. Collaboration tools with language preferences.

Educational Extensions
Language learning and educational content extensions. Cultural adaptation for different learning styles.

E-commerce & Shopping

Shopping Assistants
Multilingual shopping and price comparison extensions. Local currency and regional marketplace integration.

Travel Extensions
Travel planning and booking extensions with local language support. Cultural travel recommendations and guides.

Communication Tools

Translation Extensions
Real-time translation and language assistance tools. Cross-cultural communication facilitation.

Social Media Tools
Multilingual social media management and engagement tools. Cultural social media best practices.


🏆 Competitive Advantages

Market Expansion

Global Reach
Access to international markets with localized user experiences. First-mover advantage in emerging markets.

Cultural Sensitivity
Build trust with local audiences through cultural awareness. Professional localization demonstrates market commitment.

User Experience

Native Feel
Extensions that feel native to local users. Reduced cognitive load with familiar language and patterns.

Accessibility
Improved accessibility for non-English speakers. Inclusive design for global user diversity.

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  • Web boilerplate (Next.js)
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  • Internationalization (i18n)
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  • Built-in CLI for common tasks
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  • Web boilerplate (Next.js)
  • Mobile boilerplate (React Native - Expo)
  • Browser extension boilerplate (WXT)
  • SEO & Marketing
  • Billing (Stripe / Lemon Squeezy / Polar)
  • Admin, Auth & Multi-tenancy
  • Internationalization (i18n)
  • 1-click to launch everywhere
  • Built-in CLI for common tasks
  • 25+ ready-to-launch SaaS ideas
  • Private Discord community
  • Lifetime updates
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Testimonials

Loved by founders worldwide

Read why tech and non-tech (!) people are raving about TurboStarter and how it has accelerated their product launches.

Kudos for shipping! The landing page looks very nice.

Lee Robinson

Teacher @Cursor, prev @Vercel

I have to say, the approach to product/system design has really impressed me.It's truly become a gold standard that I look up to.Keep it up!

Marcus Quinn

Founder of @Evergreen

Building with TurboStarter has been an absolute breeze. I've tried most popular starter kits, but this one is cooked to perfection. From setup to DX, everything is flawless. 10/10

James
James

Software Engineer

TurboStarter sped up my coding process. Being affordable and packed with features, it was the difference between idea and execution.

Gabe Corr

Software Engineer

Loving the product and landing page, amazing work guys!

John Champ

Founder of @pixelcave

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What could you build with TurboStarter?

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