There are hundreds of SEO tools you can use, and most of them are free. If you are starting out or managing one or two websites, these free SEO tools can already do the job. It also lets you test them and see what they can offer. This is also one way for software companies to market their products.

We've narrowed it down to the best and most useful for you to add to your SEO toolkit. The SEO tools in this were carefully selected and are free. Some are free to use to try and some offer a free version but with basic functionalities. Whichever case it may be, they do offer their programs a free try out which you can already gauge if it is worth the extra penny for their extra and professional features.

I've divided the tools into the following categories before diving into them:

All In One SEO Solution Tools
Keyword Research Tools
Link Building Tools
Technical SEO Tools
On-page SEO TOols
Mobile-Friendly Test Tools
Local SEO Tools

Below are the top free SEO tools to help in your website search engine optimization.

All-In-One SEO Solution Tools

1.Shine Ranker

Shine Ranker is a new SEO tool by Chase Reiner. The tool has 10 days trial and if you enroll in any of Chase's courses, new Shine Ranker users can take advantage of a 30-days free trial. Shine Ranker has several features that can help you with keyword research, site audit, traffic checking, and more. It also allows you to share your keyword dashboard with writers so they can write based on the keywords you select. More features are being added and are still under development.

2.Rank Math Plugin

Rank Math is a WordPress SEO plugin to easily optimize your content. You can customize SEO settings, index pages, and website appearance. It has 15plus built-in modules you can use according to your needs.

3.Yoast SEO Plugin

Yoast SEO is a #1 WordPress plugin. Yoast SEO free already contains the functionality and features needed to manage your SEO. It provides SEO analysis, Readability Analysis, Full Language Support, and a Google Preview.

4.SEMRush

SEM Rush has a free version that provides link building, keyword research, content optimizations, on-page SEO audits, track ranking, and more. SEM Rush free account is accessible to one single website only that limits you to 100 domains in the Link building tool.

5.Lipperhey

Lipperhey is a powerful SEO analyzer. It comes with free website analysis, free SEO analytics, free keyword suggestions, and a backlink checker. Lipperhey is a full-featured SEO tool that offers over 200 features for free.

Keyword Research Tools

6.Google Keyword Planner

Keyword Planner is a free SEO tool. It allows you to enter a term or combination of keywords, after which you may select the country in which you want to learn about data such as average monthly searches, competition, keyword ideas, and more.

7.Seed Keywords

Seed Keywords give relevant keywords by creating a search scenario on a search query. Upon asking a friend to answer such queries, you can use SeedKeyword to do a google search for keywords that they gave. In searching valuable keywords for your website, Seed Keywords provides words and phrases that can be used for SEO keyword research.

8.Answer The Public

Answer The Public has a free tool for keyword research with limitations of two searches per day only. It converts questions that people ask on social media, forums, and blogs into an awesome keyword. You can get hundreds of keywords ideas based on a single keyword that is very useful for generating topic ideas.

9.Ubersuggest

Ubersuggest is one of the free SEO tools that helps users generate keywords, content ideas, and competition data. Ubersuggest has a lot of 100% free features that are usually found in premium SEO tools. It has the best feature comparisons and gives you detailed data on keyword difficulty, monthly search volume, and more.

10.Google Trends

Google Trends is the best free keyword research tool. It helps you know how specific topics and trends change over time. With Google Trends, you will also know what are the latest trending searches.

11.Ahrefs Keyword Generator

With Ahrefs Keyword Generator, you can easily search thousands of relevant keyword ideas in seconds. Aside from Google, you can also research related keywords ideas from nine other search engines like Yahoo, YouTube, Bing, Amazon, Yandex, Baidu, Daum, Naver, and Sezman. This free tool is best for people who want to know various industry keywords.

12.Reddit Keyword Research Tool

Reddit Keyword Research Tool scrapes Reddit words and phrases from subreddits. Subreddits with more comments have lots of keywords useful for content topic ideas. It has a "Context" column link that opens a Google search for a specific keyword thread to know exactly how the keyword is being used.

13.Wordtracker Scout

Wordtracker Scout is a free tool that shows the most common terms from any webpage. It is a simple Chrome browser extension that generates huge keywords from any page. Choose the sites that attract your audience and get some keywords ideas for your marketing and business strategies.

14.People Also Ask

People Also Ask is a free tool that appears in the “People Also Ask” section of Google. Use the tool to perform searches and find questions useful to your topic and check its rank based on popularity. To help prioritization, the tool adds a dimension of popularity and that the questions that appear on search queries vary depending on location, device, time, etc.

15.Keyword Surfer

Keyword Surfer is a free Chrome extension that will show you the search volumes for every keyword you have searched in Google. This is the fastest way to boost relevant content and find the top keywords before the SERP will show you. With Keyword Surfer you can also use a Correlation chart to discover top competitors' keywords and monthly traffic of each domain.

16.CanIRank

CanIRank is one of the free SEO tools that give you a detailed keyword difficulty tool. It is an SEO software that provides specific action and recommendations using its AI. CanIRank is the best DIY SEO for startups and businesses that needs to level up their web pages optimization.

17.Google Alerts

Google Alerts is a free tool that will notify you of any online topics or content about your product, brand, and company. Just enter your product or company name in Google Alerts and Google will then send you an email for any web pages and blogs that mention those terms. This tool is helpful in keywords research and optimizing your site.

Link Building Tools

18.Ahrefs’ SEO Toolbar

Ahrefs SEO Toolbar is a free Firefox and Chrome extension that offers relevant SEO data about the visited pages and websites. Its free features allow you to check the broken links, highlight links, trace redirect chains, know your SERP positions and analyze the On-page SEO report for any page. Ahrefs users also can get Keyword metrics, SEO metrics and can export SERP reports for free.

19.Ahrefs Backlink Checker

Ahrefs Backlink Checker is a free version that shows you the top 100 backlinks from any pages you search. This free tool is best for minimal backlink checking and competitors analysis. It also provides estimated organic traffic from each domain and links pages for free.

20.Ahrefs’ Broken Link Checker

Ahrefs’ Broken Link Checker is a free SEO tool that shows you the top ten broken inbound and outbound links in seconds. It has a complete guide to Broken Link building and helps you fix your website's broken links and broken backlinks. Ahrefs' Broken Link Checker is powered by an industry live backlinks database.

21.Ahrefs’ WordPress SEO Plugin

Ahrefs SEO WordPress is a lightweight SEO plugin that helps perform content audits backlinks monitoring. Using Backlink Index, Google Analytic Integration, Google Search Console Integration, and Content Audit are the unique features of Ahrefs SEO plugin. It is easy to set up and will get you started in less than 5 minutes.

Technical SEO Tools

22.Google Search Console

Google Search Console is also known as Google Webmasters Tool is a free tool from Google that helps you understand how Google Search sees your pages. Google search analytics will help you optimize your content. It also identifies issues on your site and notifies you via email. Search Console offers free training and tutorial videos to teach you to optimize Google search appearance and increase organic traffic on your website.

23.Bing Webmaster Tools

Bing Webmaster Tools is a free SEO tool that helps improve page ranking on Bing search results. With Bing Webmaster, you will know what people are searching for and understand why people go to your site. With the help of free reports and tools, you can focus on increasing traffic to your site.

24.Google Analytics

Google Analytics is the most popular analytic tool. It offers real-time activity and detailed information about your website visitors. With Google Analytics, you will be able to know where people are coming from and how they interact with your website. It also performed well with other Google products including Search Console and Data Studio.

25.Google Data Studio

Google Data Studio is a free tool from Google. It offers an interactive dashboard and reports. For an easy merging of data, it integrates with other Google tools like Google Search Console, Google Analytics, and more.

26.Panguin Tool

Panguin Tool is one of the free SEO tools that investigates if you have been impacted by Google's Algorithm updates. When Google makes a big algorithmic change, Panguin Tool has all the information in its Panguin Timeline available for free. It has a full and complete list of all the major Google algorithm updates.

27.MozCast

MozCast provides insights with SERP tracking features and helps improve organic rankings. It tracks the daily "weather " pattern of the Google algorithm and gives you ideas about unconfirmed changes. MosCast is a free SEO tool from Moz.

28.SimilarWeb

SimilarWeb free version is good enough to have an insight into your competitor's performance. It is a helpful tool in competitors' research. You can also use this tool in estimating how much traffic your page gets.

29.SERPROBOT

SERPROBOT comes with a quick on-demand SERP checker. You can see your website's search engine ranking position quickly in real-time for free. SerpRobot also helps you monitor your competitor's site's ranking and show you how they are performing.

30.Website Authority Checker

Website Authority Checker is one of the best free SEO tools to show your website domain rating. The higher your website's domain rating, the more authoritative and stronger your website is. Domain Rating (authority) is a useful tool that estimates organic traffic from Google.

31.Ahrefs’ SERP Checker

Ahrefs’ SERP checker shows you the top 10 rankings for any keyword in over 200 countries. This free tool provides real-time results from different locations without the use of proxies and specific IP addresses. Its free features also help you evaluate a ranking difficulty, analyze organic search traffic and see SERP position history.

On-page SEO tools

32. Animalz Revive

Animalz Revive is one of the free SEO tools that help you find the older content that needs an update or upgrade. You will receive an email for a list of posts that need to be refreshed with its Google Analytics data. Refreshing content will help you save time, increase traffic and optimize content.

33. Exploding Topics

Exploding topics is one of the free SEO tools. It provides the best trends emailed to you each week and finds popular keywords before they will become trending. These trends will be useful in creating new content and optimizing older posts.

34. Seobility

Seobility comes with a free SEO software suite for a quick website checkup. It gives a content report, listing the content-related SEO issues. Seobility also performs keyword and rank checking. It optimizes your pages and analyzes top-ranked content on Google.

35. Detailed

Detailed gives a curated list of your industry-leading clients. This SEO tool will let you know who are your biggest competitors. Get an SEO insight on your chosen industry and follow what they are doing for a successful business online.

36.BROWSEO

BROWSEO gives you a search engine's result preview. This SERP preview will let you know how your pages appear online which is useful in creating title and tag descriptions for optimization. It also highlights pages area that is important for SEO.

37. Screaming Frog SEO Spider

Screaming Frog SEO Spider is a website crawler to improve Onsite-SEO. You can also download and crawl 500 URLs for free to find technical SEO issues on your site. With Screaming Frog SEO Spider tool, you can find Broken Links, Errors & Redirects, Analyse Page Titles & Meta Data, Review Meta Robots & Directives, Audit Hreflang Attributes, and Discover Exact Duplicate Pages.

38.Dareboost

Dareboost is a tool that runs a website Speed Test, analyzes and optimizes your page performance for free. It continuously analyzes and detects loading time issues for improvements to maintain a better users experience. Dareboost also offers effective and dozens of optimization tips.

39.XML Sitemaps

XML Sitemaps helps you in creating a Sitemap that you can upload to Google Search Console, Bing Webmaster, and other search engines to help them crawl your website better. You can generate an HTML sitemap so that your website visitor can easily navigate your site. Sitemaps creation is free for up to 500 pages.

40.Robots.txt Generator

Robots.txt Generator lets you generate a robots.txt for your site. The robots.txt file determines which parts of a domain can be crawled by a robot. This file is relevant for search engines to crawl and optimize your site.

41.SEO Workers Analysis Tool

SEO Workers Analysis Tool is one of the best free SEO tools that generate quick reports and analyses about your website's ranking potential. It analyzes HTTP headers, Title Tag, Description meta tag, Keywords meta tag, and Robots meta tag. The tool also checks relevant keywords, search engine results, internal and external URLs, Anchor tags, Alt attributes, and page Heading and Phrase elements.

42.The Hreflang Tags Generator Tool

The Hreflang Tags Generator Tool is one of the free tools that generate hreflang tags for your multi-language or multi-country site easily and fast. Proper setup of Heflang tags is needed if your site is targeting different countries and languages. By entering your site's URL, the tool will help you generate hreflang annotations that are useful in setting up different language and country versions of your pages.

43.JSON-LD Schema Generator For SEO

JSON-LD Schema Generator For SEO provides a quick generation of JSON-LD for any page on your site. Using JSON-LD you can easily add Schema’s structured markup to your page. You can also customize how your page appears on the search results.

44.Siteliner

Siteliner is one of the free tools that scan your website's SEO problems. One of its best features is the comparison with the other website as to their Page Size, Page Load Time, and Words per Page. This feature is very helpful for benchmarking.

45.Copyscape

Copyscape helps you check for duplicate content. Copyscape will show a list of sites that post the same as your content by just entering your blogpost or website URL. This tool is very useful in optimizing your site.

46.Ahrefs Webmaster Tools

Ahrefs Webmaster Tools is free for website owners, you can get more traffic from searches and improve SEO performance. You can monitor your SEO health by getting suggestions on fixing SEO issues. You will know your website backlink data and get insights with its user-friendly reports and filters. With the help of SEO metrics, you can get a better understanding of your SEO potentials.

Mobile-Friendly SEO Tools

47.SERPerator

SERPerator will let you compare and check the SERPs between two different locations and devices. It is a Google mobile rank checker that will let you see the mobile search results at whatever location you want. The SERPerator also lets you go back in time to see historical mobile search rankings.

48.Google PageSpeed Insights

Google PageSpeed Insights let you check the speed of your website on multiple devices. This tool will help you know how fast it takes to load your site on desktop and mobile. Your site performance will then be graded from 0 - 100.

Local SEO Tools

49.Moz Local Listing Score

With Moz Local Listing Score you can see how your business listings look online. Moz Local takes control of your local SEO with powerful citation check, management review, publishing tools, and integration with Facebook, Bing, Google, and other search engines and directories. Moz Local limitation is, the data is only available in the US, Canada, and the UK.

Conclusion

You can start optimizing your website using the free SEO tools listed above. You can use this as you grow your experience and also your website. The effectiveness of these free SEO tools can only last at a certain point. Once you have reached the barrier where there is no more improvement and you are really serious about fully optimizing your website, you will need to get the paid or subscription SEO tools to avail the features not offered by the free one.

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49 Best Seo Tools That Are Free-To-Use