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Checklist · Chrome Extensions

Chrome Extensions launch checklist — Step by Step 2026

Launching a Chrome Extension requires more than just writing code. This checklist guides you through each stage, from initial concept to post-launch support, ensuring your extension gains traction and avoids common pitfalls like Manifest V3 migration issues and Chrome Web Store approval delays.

50 checklist items 7 min read
Reviewed by Roman Trotsko & Denis TrotskoLast reviewed May 2026

Phase 01

Ideation & Validation

10 tasks
  • 1.1
    critical2 days

    Define Extension Purpose

    Clearly define the problem your extension solves. Is it a productivity tool like Notion Web Clipper, an SEO assistant, or a developer tool similar to React DevTools?

  • 1.2
    high3 days

    Market Research

    Analyze existing Chrome Extensions in your niche. Identify gaps and opportunities to differentiate your offering. Check the Chrome Web Store for similar extensions.

  • 1.3
    high1 day

    Target Audience Definition

    Identify your ideal user. Are you targeting solo developers, productivity enthusiasts, or power users? Knowing your audience will drive development and marketing.

  • 1.4
    medium2 days

    Competitive Analysis

    Examine top competitors like Grammarly, Honey, and LastPass. Understand their features, pricing, and user reviews to identify strengths and weaknesses.

  • 1.5
    critical1 day

    Value Proposition

    Craft a compelling value proposition that clearly communicates the benefits of your extension. What makes it unique and worth installing?

  • 1.6
    high2 days

    Technical Feasibility

    Assess the technical feasibility of your extension. Can you realistically build the features you envision within a reasonable timeframe and budget?

  • 1.7
    medium1 day

    Monetization Strategy

    Determine how you will monetize your extension. Will you use a freemium model, one-time purchase, subscription, affiliate marketing, or B2B sales?

  • 1.8
    critical1 day

    Chrome Web Store Policies Review

    Thoroughly review the Chrome Web Store policies to ensure your extension complies with all requirements. This will minimize the risk of rejection.

  • 1.9
    high1 day

    Minimum Viable Product (MVP) Definition

    Define the core features for your MVP. Focus on delivering the most essential functionality to validate your concept quickly.

  • 1.10
    medium2 days

    User Persona Creation

    Develop detailed user personas to represent your target audience. This will help you make informed decisions throughout the development process.

Phase 02

Development & Testing

10 tasks
  • 2.1
    critical1 day

    Manifest File Configuration

    Configure your manifest.json file correctly, paying close attention to Manifest V3 requirements. Use a manifest validator to catch errors.

  • 2.2
    high10 days

    Feature Implementation

    Implement the core features of your extension, focusing on performance and user experience. Use efficient coding practices.

  • 2.3
    medium5 days

    User Interface (UI) Design

    Design a user-friendly and intuitive interface. Consider using a UI framework to speed up development and ensure consistency.

  • 2.4
    medium3 days

    Background Script Development

    Develop background scripts to handle long-running tasks and event listeners. Optimize for minimal resource consumption.

  • 2.5
    high5 days

    Content Script Development

    Develop content scripts to interact with web pages. Ensure compatibility with different websites and avoid conflicts.

  • 2.6
    critical2 days

    Security Audits

    Conduct thorough security audits to identify and fix potential vulnerabilities. Protect user data and prevent malicious attacks.

  • 2.7
    medium2 days

    Cross-Browser Testing

    Test your extension on different browsers (Chrome, Edge, Firefox) to ensure compatibility and consistent behavior.

  • 2.8
    high3 days

    User Acceptance Testing (UAT)

    Recruit beta testers to provide feedback on your extension. Use their input to improve usability and fix bugs.

  • 2.9
    medium3 days

    Automated Testing

    Implement automated tests to ensure code quality and prevent regressions. Use a testing framework like Jest or Mocha.

  • 2.10
    high2 days

    Performance Optimization

    Optimize your extension for performance. Minimize resource usage, reduce loading times, and improve responsiveness.

Phase 03

Pre-Launch Preparation

10 tasks
  • 3.1
    critical2 days

    Chrome Web Store Listing Creation

    Create a compelling Chrome Web Store listing with a clear description, relevant keywords, and high-quality screenshots. Optimize for search.

  • 3.2
    high5 days

    Promotional Materials Creation

    Develop promotional materials, including a landing page, demo video, and social media assets. Highlight the key benefits of your extension.

  • 3.3
    medium1 day

    Pricing Strategy Finalization

    Finalize your pricing strategy and set up payment processing. Consider using a platform like Gumroad or Stripe.

  • 3.4
    high3 days

    Support Documentation Creation

    Create comprehensive support documentation, including FAQs, tutorials, and troubleshooting guides. Address common user issues.

  • 3.5
    critical1 day

    Privacy Policy Creation

    Create a clear and concise privacy policy that explains how you collect, use, and protect user data. Comply with all relevant privacy regulations.

  • 3.6
    medium1 day

    Terms of Service Creation

    Create terms of service that outline the rules and responsibilities for using your extension. Protect your legal rights.

  • 3.7
    high2 days

    Launch Plan Development

    Develop a detailed launch plan that outlines your marketing activities, timeline, and key milestones. Coordinate your efforts.

  • 3.8
    critical1 day

    Chrome Web Store Review Process Understanding

    Understand the Chrome Web Store review process and prepare for potential delays. Respond promptly to any requests from the review team.

  • 3.9
    high1 day

    Analytics Setup

    Set up analytics to track key metrics, such as installs, uninstalls, and user engagement. Use the data to optimize your extension.

  • 3.10
    medium1 day

    Contingency Planning

    Develop a contingency plan to address potential issues, such as bugs, server outages, or negative reviews. Be prepared to respond quickly.

Phase 04

Launch & Promotion

10 tasks
  • 4.1
    critical1 day

    Chrome Web Store Submission

    Submit your extension to the Chrome Web Store and monitor the review process. Be prepared to address any feedback or issues.

  • 4.2
    high1 day

    Product Hunt Launch

    Launch your extension on Product Hunt to gain visibility and attract early adopters. Prepare a compelling launch post and engage with the community.

  • 4.3
    medium3 days

    Social Media Promotion

    Promote your extension on social media platforms like Twitter, Reddit, and Indie Hackers. Target relevant communities and use engaging content.

  • 4.4
    medium5 days

    Influencer Outreach

    Reach out to influencers and bloggers in your niche to review and promote your extension. Offer them exclusive access or incentives.

  • 4.5
    high5 days

    Content Marketing

    Create blog posts, articles, and tutorials that showcase the benefits of your extension and attract organic traffic. Focus on SEO keywords.

  • 4.6
    medium3 days

    Paid Advertising

    Consider running paid advertising campaigns on Google Ads or social media to reach a wider audience. Target relevant demographics and interests.

  • 4.7
    high2 days

    Email Marketing

    Build an email list and send out newsletters to announce your launch and promote new features. Offer exclusive discounts or promotions.

  • 4.8
    medium5 days

    Partnerships

    Partner with other companies or developers in your niche to cross-promote your extensions. Leverage each other's audiences.

  • 4.9
    low5 days

    Public Relations

    Reach out to journalists and media outlets to get coverage for your extension. Highlight its unique features and benefits.

  • 4.10
    high1 day

    Monitor Launch Performance

    Monitor your launch performance closely. Track key metrics, such as installs, uninstalls, and user engagement. Adjust your strategy as needed.

Phase 05

Post-Launch & Maintenance

10 tasks
  • 5.1
    criticalOngoing

    User Feedback Collection

    Actively collect user feedback through surveys, reviews, and support tickets. Use the feedback to improve your extension.

  • 5.2
    highOngoing

    Bug Fixes and Updates

    Address bug reports and release regular updates to improve stability and performance. Keep your extension up-to-date with the latest Chrome APIs.

  • 5.3
    mediumOngoing

    Feature Enhancements

    Continuously add new features and enhancements based on user feedback and market trends. Keep your extension competitive.

  • 5.4
    highOngoing

    Chrome Web Store Optimization

    Continuously optimize your Chrome Web Store listing based on performance data and user feedback. Improve your conversion rate.

  • 5.5
    mediumOngoing

    Community Engagement

    Engage with your community on social media, forums, and support channels. Build relationships with your users.

  • 5.6
    criticalOngoing

    Security Monitoring

    Continuously monitor your extension for security vulnerabilities and threats. Implement security best practices.

  • 5.7
    highOngoing

    Performance Monitoring

    Continuously monitor your extension's performance and resource usage. Optimize for speed and efficiency.

  • 5.8
    mediumOngoing

    Marketing and Promotion

    Continue to market and promote your extension to attract new users. Use a variety of channels and tactics.

  • 5.9
    highOngoing

    Support and Maintenance

    Provide ongoing support and maintenance to your users. Address their questions and concerns promptly.

  • 5.10
    criticalOngoing

    Compliance Monitoring

    Monitor changes to the Chrome Web Store policies and ensure your extension remains compliant. Avoid potential penalties.

Pro tips

  • Prioritize Manifest V3 compatibility early in development to avoid future headaches.
  • Thoroughly test your extension on different websites and user configurations.
  • Engage with the Chrome Extension developer community for support and feedback.
  • Clearly communicate your extension's value proposition in your Chrome Web Store listing.
  • Provide excellent customer support to build trust and loyalty.

Frequently asked questions

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