Best Google Chrome SEO Extensions (Updated List)

As competition in the SEO world continues to increase, using the right tools has become one of the most critical factors determining the success of your website. Google Chrome SEO extensions help you efficiently perform essential tasks such as keyword analysis, backlink evaluation, technical SEO audits, and content optimization. As of 2025, we have compiled the best Chrome extensions for SEO professionals and digital marketers. This list includes both traditional SEO extensions and AI-powered tools.

Best Google Chrome SEO Extensions (2025)

Perplexity – AI Companion summarizes web pages. HARPA AI performs SEO analyses. Jasper AI generates content. Grammarly checks grammar. Otter.ai converts voice to text. Scalenut analyzes keywords. Ahrefs SEO Toolbar displays backlinks and domain authority. MozBar provides SEO metrics. SEOquake analyzes on-page SEO. Keyword Surfer shows keyword volume. SEO Minion checks broken links. SimilarWeb analyzes traffic. Lighthouse measures page speed. BuzzSumo displays trending content. Hunter finds email addresses.

Best Google Chrome SEO Extensions List

1. Perplexity – AI Companion: Analyzes and summarizes web pages.
2. HARPA AI: A GPT-based tool for web automation and content creation.
3. Jasper AI: AI-powered SEO content generation.
4. Grammarly: Provides grammar and spell-checking.
5. Otter.ai: Converts voice content to text.
6. Scalenut: Offers keyword analysis and content planning.
7. Ahrefs SEO Toolbar: Analyzes SEO metrics.
8. MozBar: Measures domain and page authority.
9. SEOquake: Conducts SERP analysis and competitor SEO audits.
10. Keyword Surfer: Displays keyword volumes.
11. SEO Minion: Performs on-page SEO analyses.
12. SimilarWeb: Provides competitor analysis and traffic insights.
13. Lighthouse: Conducts page performance and accessibility audits.
14. BuzzSumo: Displays trending content and social media insights.
15. Hunter: Helps find email addresses.

1. Perplexity – AI Companion

Perplexity is an AI-powered tool that analyzes and summarizes web pages while browsing. Combining the strengths of Google and ChatGPT, it accelerates your SEO research and facilitates content discovery. You can ask detailed questions about pages, learn about related topics, and develop your SEO-friendly content strategy.

2. HARPA AI

HARPA AI is a web automation tool that supports GPT-based content creation, web monitoring, and SEO analysis. It summarizes web pages, blogs, and videos to streamline your SEO efforts. Additionally, it assists in keyword analysis, data mining, and competitor analysis to optimize your content strategy.

3. Jasper AI

Jasper AI is an AI-powered writing tool developed for creating SEO-friendly content. It generates blog posts, product descriptions, and social media content, helping you create text aligned with your SEO strategies. With its keyword optimization and content planning algorithms, it ensures high-quality content production.

4. Grammarly

In SEO-friendly content, avoiding grammar mistakes is crucial. Grammarly provides real-time grammar and style checks while writing on Google Docs, emails, and websites, making your content more professional. It helps create more fluent, readable, and SEO-optimized text.

5. Otter.ai

Converting audio content to text is essential for SEO. Otter.ai automatically generates transcripts for podcasts, meetings, and interviews, transforming voice content into text. This allows you to optimize your content for SEO and improve your visibility on search engines.

6. Scalenut

Scalenut is a comprehensive tool for keyword analysis, content planning, and SEO optimization. With its AI-powered features, you can analyze competitors, identify search trends, and generate SEO-friendly content ideas.

7. Ahrefs SEO Toolbar

Ahrefs SEO Toolbar is a powerful SEO extension that lets you analyze domain authority, backlinks, and keyword performance directly from your browser. It performs on-page SEO analyses to help you identify content optimization opportunities.

8. MozBar

MozBar helps you evaluate web pages quickly by analyzing page authority, domain authority, and keyword difficulty, allowing you to assess a website’s SEO strength and conduct competitor analyses.

9. SEOquake

SEOquake conducts on-page SEO analyses, examining title tags, meta descriptions, keyword density, and internal link structures. It also performs SERP analyses to help you study competitors’ SEO strategies.

10. Keyword Surfer

Keyword Surfer provides real-time keyword volume, CPC, and competition level insights directly within Google search results. It is a free keyword analysis tool that helps you develop a data-driven SEO strategy.

11. SEO Minion

SEO Minion performs on-page SEO audits, checks for broken links, analyzes hreflang tags, and previews SERP results. It simplifies technical SEO optimizations, enhancing page performance.

12. SimilarWeb

SimilarWeb helps you gain a competitive edge by analyzing website traffic sources, user interactions, and SEO metrics. It is particularly useful for those looking to conduct competitor analysis, providing traffic data and organic performance insights.

13. Lighthouse

Lighthouse is a Google-backed tool that analyzes website speed, accessibility, and SEO compatibility, offering optimization recommendations. It is used to improve page speed and fix technical SEO issues.

14. BuzzSumo

BuzzSumo is a powerful tool for discovering trending content, identifying the most shared articles, and analyzing keyword trends. It helps shape your content strategy based on popular topics.

15. Hunter

Hunter automatically detects email addresses on websites, accelerating backlink outreach and business development processes. It is a valuable tool for SEO professionals, digital marketers, and content creators to establish strong communication channels.