It’s no secret that SEO is a multi-faceted and lengthy process. And when you’re a one-person show juggling keyword research, content audits, and outreach campaigns at the same time, every second counts.
That’s why many marketers turn to Chrome extensions for SEO to speed up their workflow. The right browser add-on can grant you quick insights without having to switch tools or open many tabs at the same time.
So, this begs the question: which Chrome extensions should you download to boost SEO performance?
If you haven’t discovered them yet, this article is made for you.
In this guide, we have handpicked the 20 best extensions for SEO in 2025, grouped according to the specific SEO task they are best suited for.
Best Chrome Extensions for Link-building
Link-building is one of the most important yet time-consuming tasks in SEO. But the right Chrome extension can make it far more efficient.
From finding outreach opportunities to checking backlink profiles on the fly, these tools can streamline your link-building process. Check them out below:
1. Internal Link Builder (for building internal links)
Internal Link Builder is a powerful Chrome extension for SEO that automates finding internal linking opportunities across your site. The tool crawls your website, looks for anchor texts, and suggests highly relevant internal links for those selected anchors.
No more guesswork or manual searching. Each suggestion is highlighted, and when you hover over the suggested anchor, the internal link destination is shown at the bottom. This makes it easier to review and implement those suggestions via your CMS.
Internal Link Builder is aptly created by the same team behind LinkStorm—an AI-powered internal linking tool. This Chrome extension for SEO is a free, foundational version of their paid toolkit.
Pros
- 100% free to download and use
- Displays previews of internal link suggestions on the page
- Works on any website and CMS
- No limit on the number of times you can use the extension across websites
- No signup required to use
Cons
- Limited to 200 pages per website
Price
100% Free
2. Hunter (for outreach prospecting)
Outreach prospecting is an essential part of any link-building campaign, and Hunter makes this process so much easier.
With a click of a button, you can easily extract the verified email addresses associated with the website you’re visiting.
For instance, here is the result for Linkody:
Instead of manually going through the site’s pages, Hunter streamlines finding contact persons for off-page SEO work, such as guest posting or link exchanges.
The grayed-out extension icon turns orange when it finds email addresses on a website you’re on. It even shows the source pages where those emails were discovered and their level of verification for added security.
Save leads and connect the extension seamlessly to the Hunter dashboard or with CRMs like HubSpot or Salesforce.
Pros
- One-click email discovery
- Finds verified email addresses with confidence scores
- User-friendly interface and connects with popular CRMs
Cons
- Requires account signup even for free use
- Results may be absent for less-known domains
Price
Freemium (Free 25 email searches per month)
3. Check My Links (for monitoring link status and health)
Check My Links is as straightforward as its name suggests—it scans a web page for links and identifies their status.
This makes it essential for quickly identifying broken, redirected, or nofollow links on a web page, which helps save time by differentiating which links work and which need fixing.
Results of Check My Links are color-coded for easier identification:
- Green for valid links (status code 200-299)
- Yellow green for valid redirected links (status code 300-399)
- Yellow for warnings (empty links, links with trailing ‘#’, etc.)
- Red for invalid links (broken links or status code 404)
You may also export the links along with their status codes into a CSV file.
Pros
- Instantly checks all the links on a web page
- Valid and problematic links are color-coded
- One-click report download
Cons
- Limited to one page at a time
- Advanced features require an upfront payment
Price
Free to use; Requires payment for advanced features
4. Racoon SEO Link Checker (for tracking link-building performance)
Racoon SEO Link Checker is a must-have Chrome extension for link builders who want to track, verify, and organize backlinks in seconds.
The tool automatically detects your placed links on any web page and checks whether they’re dofollow, nofollow, or sponsored. It also indicates whether the page is indexed by Google or not, which is essential for disavowing backlinks from non-indexed pages.
Our case study on IndexCheckr recently got featured on Search Engine Journal, and Racoon Link Checker immediately identified the backlink, as shown below:
You can scroll directly to the link, export all details to Google Sheets, and get a clean summary for reporting.
The tool is built to simplify manual link tracking and help you stay ahead of broken, unindexed, or wrongly attributed links—all from your browser with zero guesswork.
Pros
- Automatically detects links and rel attributes on any page
- Highlights the source page’s indexing status
- Customizable settings for domain inclusion/exclusion
Cons
- Requires setup for Google Sheets integration
Price
100% Free
Best Chrome Extensions for Keyword Research
5. Keyword Surfer (for finding relevant keyword ideas)
Keyword Surfer is a free Chrome extension developed by Surfer to help discover related keywords straight from SERPs.
As you search, the tool displays real-time data like monthly estimated search volume, including the average cost per click for the search query. In addition to writing SEO content, this is a useful feature, especially when running PPC ad campaigns.
For instance, here are the provided keyword metrics for the keyword “chrome extensions for seo”:
Moreover, Keyword Surfer also lists related keyword ideas in the right sidebar, showing their estimated monthly search volume and percent overlap with the search query keyword used. These related terms are useful support keywords to further optimize written content for SEO.
Click preferred keywords to save them in your collection and export them as a CSV file for later use. This is a powerful time-saver for content creators, bloggers, and SEOs who want fast keyword research data without leaving Google.
Simply install, search any term, and unlock instant keyword intelligence with zero disruptions to your workflow.
Pros
- Shows keyword volume and CPC directly in the search bar
- Suggests related keyword ideas with search volume and % overlap
- Stores keyword collections for future reference
- Allows .csv export of keyword lists
Cons
- Limited data depth for related keywords
Price
100% free
6. Ubersuggest (for analyzing keyword metrics and organic traffic)
Ubersuggest is another Chrome extension for SEO to download to supercharge your keyword research efforts within SERPs. The tool looks like a direct evolution of the Keyword Surfer tool discussed earlier.
As you search terms on Google, Ubersuggest immediately gives you keyword data, including monthly search volumes, CPC, organic difficulty, and paid difficulty. You will find the search trend for the keyword in a 12-month period.
For instance, here is the keyword metrics on Ubersuggest for the keyword “chrome extensions for seo”:
On the sidebar, the tool lists related keywords to the current search query, including the average search volume, CPC, and search/paid difficulty, as shown below:
Unfortunately, to unlock other keyword categories, such as suggestions and questions, you need a paid subscription to Ubersuggest.
Scroll further down, and the tool shows the estimated monthly organic traffic for SERP positions 1 to 9. Simply hover your mouse over each bar to see the specific number.
This makes it easier for SEOs to identify which pages to reference when creating and optimizing content:
Another great feature of Ubersuggest is that you can simply click the Chrome extension’s icon when on a website, and it will show essential site-wide metrics.
This includes the number of organic keywords, estimated monthly organic traffic, Domain Authority, and the number of backlinks it has (including the percentage of nofollow).
For example, here are the metrics for Linkody:
Owned by an SEO guru himself, Neil Patel knows the essentials that an SEO professional needs, and he reflected these in the tool, making Ubersuggest an absolute must-have for SEOs, content creators, and digital marketers alike!
Pros
- Shows comprehensive keyword data straight from search results
- Displays sitewide metrics like backlink count, DA, and organic keywords
- Includes traffic graphs and keyword trend charts
- Supports 9 languages and location customization
Cons
- Free plan is limited to a 40 daily search limit
- Related keywords are limited to 10 only for the free plan
Price
Freemium; Paid plan starts at $12/month for the base version
7. Keywords Everywhere (for exploring long-tail keywords and search intent)
Keywords Everywhere helps users view the keyword search volume, off-page difficulty, on-page difficulty, and whether the term is a brand query or not.
What sets this tool apart is its ability to extract SERP-related insights like user intent, SERP rankability, and suggested anchors by using generative AI tools—ChatGPT, Claude, or Gemini.
This makes it easier for SEOs to determine what search intent to use when creating content for a specific search query.
Scrolling further down the sidebar, you will also find related short and long-tail keywords relevant to the search query.
Users can also hover their cursor over each organic SERP result to view link metrics extracted from Moz, including backlinks, number of referring domains, and spam score, as shown below:
Keywords Everywhere may not have as much data as Ubersuggest or Keyword Surfer. However, it can extract search intent from organic results. This gives it a unique advantage over other tools.
Pros
- Features on-page and off-page ranking difficulty for the search term
- Shows sitewide SEO metrics for each organic result
- Let users analyze search intent and other SERP-related insights
Cons
- Full keyword metrics require a paid plan
- The interface may feel basic and cluttered on SERPs
Price
Freemium; Requires paid plans for more advanced features
Best Chrome Extensions for Streamlining Content Creation
8. Grammarly (for writing error-free content)
Grammarly helps you write clearly and confidently by providing real-time feedback on grammar, spelling, punctuation, tone, and word choice. This is especially relevant when you’re writing SEO content.
Grammarly flags mistakes and suggests improvements as you type. It even adjusts suggestions based on your preferred tone and audience, which is always a welcome feature.
Pros
- Real-time grammar, spelling, and clarity suggestions
- Built-in generative AI for drafts and rewrites
- Tone detector helps adjust your message appropriately
- Works across most websites and writing tools
Cons
- Limited functionality in the free version
- AI-generated content may lack a personal tone
Price
Freemium; Requires paid plans for advanced features
9. ContentShake AI (for quick content optimizations)
ContentShake AI is a content creator’s writing companion for quick edits, summaries, and rewrites. Developed by Semrush, this tool can quickly summarize articles to extract key insights and search intent for easy referencing.
In addition, ContentShake AI can rewrite a complex paragraph or repurpose content for social media. This saves time while boosting writing clarity, so you can polish your content with ease.
The free plan offers 50 monthly rewrites to get started with powerful, on-the-go content enhancements.
Pros
- AI-powered rewriting, summarizing, and tone adjustment
- Works on any platform or website
- Saves time for solo creators and small teams
- Ideal for content repurposing across social media
Cons
- Limited to 50 free AI rewrites per month
- Requires a signup before use
- Some rewrites may lack nuanced context or creativity
Price
Freemium; Requires paid plans for more advanced features
10. Wordtune (for paraphrasing and humanizing content)
Wordtune is an AI-powered paraphrasing assistant that can help rewrite, translate, and perfect the grammar in your content according to your preferred writing style.
With this Chrome extension for SEO, you can refine the prose in your written content while minimizing plagiarism flags and artificial intelligence flags.
Here is what Wordtune’s suggestions look like on Google Docs:
In addition, the tool lets you generate AI content from scratch without ever leaving the tab you’re in. While the free plan is limited to 10 rephrases and content generations per day, the paid plans lets you overcome these restrictions so you can write better, faster.
Pros
- One-click paraphrasing and rewriting
- Reduces the chances of AI detection in your content
- Translates from the native language to fluent English
- Offers tone adjustments (casual to formal and vice versa)
Cons
- Free plan is limited to 10 daily usage
- May occasionally oversimplify or alter nuanced meaning
- Requires a signup before use
Price
Freemium; Basic paid plan ($6.99/month) increases daily limit to 30
Best Chrome Extensions for Optimizing Technical SEO Performance
11. Lighthouse (for optimizing page speed)
Lighthouse is a Chrome extension for SEO developed by Google to help developers and marketers improve their website’s technical SEO performance.
With a single click, the tool runs an automated audit on any web page you are on and generates a detailed report highlighting areas that need improvement, including:
- Page speed
- Mobile friendliness
- Best coding practices
For example, here is the Lighthouse PageSpeed Insights report for Linkody:
Scrolling the report further down, you will find actionable steps to guide the improvements. This makes it easier for users to optimize the technical aspect of their website.
Pros
- Free and open-source
- Offers actionable SEO, performance, and accessibility insights
- Easy to use directly from the Chrome browser
- Helps identify and prioritize web optimization tasks
- Supports audits for both desktop and mobile performance
Cons
- Requires some technical knowledge to interpret results
- Doesn’t provide real-time monitoring—only manual reports
- May not catch all UX or design-related issues
Price
100% Free
12. Wappalyzer (for assessing a website’s tech stack)
Wondering what tech stack or plugins a website uses? Wappalyzer uncovers the technologies behind any website in seconds.
This SEO browser extension detects 1,000+ web technologies across dozens of categories, giving marketers essential insights into elements that can impact site speed, structure, and crawlability.
In addition, Wappalyzer aids in competitor research by discovering which SEO or marketing tools rival sites are using, which can help shape smarter technical SEO strategies.
Just visit a website, click the Wappalyzer icon, and instantly learn what powers the page—no coding required.
For instance, here is the tech stack we use on Linkody’s website:
Bonus: If a site has no detectable tech, you can even play a fun game of tic-tac-toe directly in the extension!
Pros
- Detects 1,000+ web technologies
- Works instantly with one click
- Helps uncover elements that impact browser performance on large websites
- Covers a wide range of categories (CMS, CRM, CDNs, etc.)
Cons
- Doesn’t always detect custom-built solutions
- Limited insights without upgrading to premium
Price
100% Free; Advanced features are reserved for paid plans
13. SEO Render Insight Tool (for spotting issues related to how your content shows up in the browser)
SEO Render Insight Tool helps SEOs quickly spot which parts of a webpage are client-side rendered (CSR) vs server-side rendered (SSR).
While this may seem white noise to on-page and off-page SEO professionals, technical SEOs and web devs will understand fully what that means.
In a nutshell, search engines may not fully index CSR elements, affecting crawlability and visibility that can impact indexing.
SEO Render Insight Tool color codes CSR and SSR as red and green, respectively.
Insights from this tool allow site owners to collaborate more effectively with developers, ensuring critical content is rendered on the server side of things.
Pros
- Visualizes CSR and SSR elements on the website
- Supports technical SEO fixes for better crawlability
- Easy-to-understand doughnut chart
Cons
- Not 100% accurate
- Requires manual page inspection
Price
100% Free
Best Chrome Extensions for Conducting SEO Analysis
14. SEOquake (for performing SEO analysis on SERPs)
SEOquake is a free Chrome extension for SEO developed by Semrush that gives instant access to essential SEO metrics directly in your browser.
You will find the data via the SEOBAR, which includes the number of pages indexed on Google, backlinks, subdomain backlinks, Bing index, among other things.
SEOquake also overlays SEO data onto search engine results pages, showing the keyword difficulty for your search query and including SEO metrics for each organic result.
This makes this tool perfect for quick site audits, research, and competitor analysis without breaking the bank!
Pros
- Real-time SEO metrics for any web page
- SERP overlay with exportable data
- Built-in SEO audit and keyword density tools
- Supports multiple browsers and frequent updates
Cons
- Interface may overwhelm beginners
Price
100% Free
15. Detailed (for on-page SEO analysis)
Detailed is a fast, lightweight, no-fluff, powerful tool for on-page SEO analysis.
This free Chrome extension for SEO gives users a wealth of on-page SEO information, like:
- Page titles
- Meta descriptions
- Headings
- Canonical tags
- Robot directives
- Word counts
- Structured data
For instance, here’s how Detailed’s Overview tab interprets our article on content repurposing:
It has gained positive attention from SEOs for its clean interface and useful insights, especially when performing quick audits and content optimization. You can even use the tool to export all links or images.
This makes Detailed an essential toolkit for catching critical on-page issues without the bloated features and an eyesore interface.
I’d give this 10/10 recommended must-have Chrome extension for SEO!
Pros
- Instant access to vital on-page SEO elements
- Highlights the heading structure and hierarchy clearly
- Supports structured data (schema) visibility
- Exports all links and downloads images
- No login or account needed—lightweight and quick
Cons
- Shows internal and external links but not backlinks
Price
100% Free
16. Redirect Path (for diagnosing redirection errors)
Redirect Path is a favorite extension among technical SEOs. Developed by Ayima, this free tool flags and details any URL redirects or HTTP status codes that a page triggers.
When you visit a page, it will tell you if that page is a 301 redirecting to another, or if it loaded with a 404 error, etc., and it shows the chain of redirects if there are multiple hops.
It also displays HTTP header information like server types and caching headers. Essentially, it surfaces what you’d normally have to dig into developer tools for.
This is immensely helpful when debugging SEO issues related to redirects or site migrations.
Pros
- Instantly detects redirect issues (301, 302, 404, etc.)
- Highlights client-side redirects (JavaScript, meta)
- Displays server and caching headers
- Reveals the server IP address
Cons
- Lacks bulk URL testing
- The interface can feel minimal for advanced users
- Doesn’t store or export reports for later analysis
Price
100% Free
Best Chrome Extensions for Local SEO
17. SEO Search Simulator (for simulating local SEO results)
Want to know how your website or competitors rank in real-world SERPs without the influence of personalization or search history interference? SEO Search Simulator can do that for you.
This Chrome extension for SEO lets you simulate unbiased Google searches for any location and device. Perfect for accurate rank tracking, assessing keyword performance, validating optimization strategies, and discovering localized ranking differences.
For example, here is my regular SERP for the query “best seo service providers”:
Meanwhile, these are the results when I localize the same search query using SEO Search Simulator:
Whether you are targeting local or global audiences, this extension makes it easy to monitor visibility and track changes over time. It’s fast, privacy-friendly, and ideal for daily SEO analysis and competitive research.
Pros
- Simulates Google searches from any location
- Unbiased, depersonalized SERP results
- Helps show your and your competitors’ actual search rankings
- Useful for tracking local and global SEO
Cons
- Limited to manual keyword checks (no bulk)
- Localization is limited to the country-level
- No built-in data export or tracking history
Price
100% Free
18. GMB Everywhere (for performing local SEO audits)
GMB Everywhere is a powerful browser extension designed for local SEO professionals.
It lets you view Google Business Profile categories directly on Google Search and Maps, run basic audits, and analyze competitor listings.
Source: GMB Everywhere
You can also run basic audits, such as analyzing business reviews or evaluating the post strategy. However, clicking on any of the features sends you to a signup page, which creates an additional layer of hassle.
Nonetheless, GMB is a handy tool for improving your GBP, tracking competitors, and optimizing your local SEO strategy.
Pros
- Shows GBP primary and secondary categories
- Performs quick audits on GBP
- Offers AI features like GBP post generator or description maker
Cons
- Requires a signup before using advanced features
- AI-generated content can come off impersonal
Price
Freemium; up to 5 views per month for the free version
Best Chrome Extensions for Competitor Analysis
19. SimilarSites (for identifying similar websites)
SimilarSites helps you discover websites related to the one you are currently visiting.
It is a powerful discovery tool for SEP professionals for uncovering competitor sites or identifying backlink prospects, depending on your campaign.
For instance, here are the identified related websites to Linkody according to SimilarSites:
This tool is a perfect starting point for competitive analysis, which is useful for studying competing strategies or expanding your keyword research.
All it takes is clicking the Chrome extension’s icon, and the tool will do the rest.
Pros
- Instantly suggests similar websites
- Helps uncover competitors for SEO research
- Great for lead generation and outreach
- Useful for content inspiration and topic expansion
- Simple and fast one-click interface
Cons
- Not all recommendations are highly relevant
- No advanced SEO metrics shown
- No filtering option for results
Price
100% Free
20. SimilarWeb (for assessing competitor website analytics)
The SimilarWeb extension gives SEOs instant access to key traffic and metrics for any website you visit, making it the perfect competitor spy tool.
With just one click, you can view visits over time, top-performing keywords, global and country rank, traffic sources, and geographic distribution.
Here is the SimilarWeb report for LinkStorm:
While the report is not as accurate as paid tools or Google Search Console reports, the extension has a generous free version that provides high-level data on a website.
To access more detailed data, you need a paid SimilarWeb account. Nonetheless, it’s fast, data-rich, and ideal for those looking for a freemium tool to outsmart the competition.
Pros
- Instant competitor traffic insights
- Reveals top-performing keywords and traffic trends
- Displays the geographic distribution of traffic sources
- Easy to use, no login required for basic data
Cons
- Data is quite limited for the free plan
- Some data is locked behind a paid plan
- Metrics are estimates, not always 100% accurate
Price
Freemium; 15 weekly usage that resets every Monday
Streamline Your Workflow with These Chrome Extensions for SEO!
Extensions are called extensions because they literally extend your browser’s capabilities. And in the world of SEO, where competition is cutthroat, you will need all the help to elevate your website (or local business!) ahead of the competition.
The right Chrome extensions for SEO, especially when their features don’t hide behind a paywall, can transform your browser into a powerful SEO toolkit.
From automating the process of internal link-building to uncovering keyword opportunities, and even auditing technical issues, these tools can help you:
- Save time
- Work smarter
- Make data-driven decisions
- Minimize guesswork
- Amplify results
Integrating these Chrome extensions into your daily workflow can give you a serious edge in 2025.
Ready to make that happen?