Best Free SEO Tools (Tried & Tested) – 100% Free

Looking for a list of free, useful SEO tools? Then look no further.

If you’re on a tight budget, this list should serve you well.

Here are the categories:

Keyword research tools

These tools help you discover the topics your audience is searching for.

1  Answer The Public


Answer the Public pulls the questions people are asking (and a couple of different sorts of questions) from Google’s autocomplete results. It is excessively valuable for generating topic ideas.

Similar alternatives: Keyword Sheeter,

2  Google Keyword Planner


Google Keyword Planner is Google’s keyword research tool. It helps you to generate keyword ideas based on up to ten seed keywords, or from a site or URL.

Keyword Planner has limitations, such as a lack of absolute search volumes, but it is useful for finding keyword ideas that you may might struggle to find using traditional keyword research tools.

3  Ahrefs’ Keyword Generator


Ahrefs’ Keyword Generator pulls the best 100 keyword ideas for any seed keyword or query from our database of more than ten billion keywords across 170+ nations. It shows the estimate monthly search volume for each suggestion, plus Keyword Difficulty scores for the first ten ideas.

You can also see the top 50 related questions.


4  Google Trends


Google Trends shows the popularity of any topic over time. Use it to get and capitalize on trending topics, and avoid creating content about those with fading interest.

5  Keyworddit


Keyworddit extracts keywords from Reddit. Simply enter any subreddit (e.g.,/r/bigSEO), and it will pull a list of keywords with estimate monthly search volumes.

It is helpful for finding topics that your audience are interested in, but that you may not have otherwise considered.

Here are some keywords grabbed from the r/business subreddit:



alsoasked scrapes the questions from Google’s People Also Ask (PAA) boxes. Use these to find questions and subtopics that might be worth answering in your article.

For example, if you were writing an article about “how to clean a coffee maker using vinegar,” you might want to answer questions like:

  • How much vinegar should you use?
  • How many times would be good to run vinegar through the coffee machine?
  • Is cleaning vinegar better than regular vinegar?


7  Keyword Surfer


Keyword Surfer is a Chrome Extension that shows estimate worldwide and monthly search volumes for any keyword type into Google. You can also see similar keywords and related terms in the sidebar.

This makes it simple for you to do keywords research and competitive analysis without leaving the SERPs.

On-page SEO tools

These tools help you optimize your pages to rank higher in the search engines.

8  Rank Math


Rank Math is a WordPress SEO plugin that helps with on-page and technical SEO.

Below are the few things it can help with:

  • Adding titles, meta descriptions, Open Graph tags, and other meta tags to posts and pages;
  • Adding structured data markup for rich snippets;
  • Redirecting URLs;
  • Find and fix dead links on your site.

Similar alternatives: Yoast SEO, All in One SEO Pack, and The SEO Framework.

9  SERPSim


SERPSim shows what your website pages will look like in Google’s search results. All you have to do is enter your proposed meta title, description, and URL.

SERPSim will also tell you if your meta title and description tool long. You should fix these issues to avoid truncation in the search results.

Similar alternatives: Portent’s SERP Preview Tool

10  Google’s Rich Results Test


Google’s Rich Results Testing tool checks the structured markup on your website to see whether it is eligible for rich snippets in the search results.

11  Merkle’s Schema Markup Generator


Merkle’s Schema Markup Generator creates structured data markup in the JSON-LD format. Simply select the type of Schema markup you need to create (e.g., local business, FAQ, product, and so on.), fill in the form, then copy and paste the generated markup onto your website.

You would then be able to check the validity of any Schema markup using Google’s Structured Data Testing tool.

12  Ahrefs’ SEO Toolbar


Ahrefs’ SEO Toolbar is a Chrome and Firefox extension that shows Ahrefs’ SEO metrics right in the browser.

It also generates an on-page SEO report for the visited page with important elements such as the page’s title, meta description, hreflang tags, word count, headers, canonicals, OG tags, and more.

Besides that, it:

  • Checks for broken links;
  • Traces redirect chains (full path);
  • Highlights nofollow links;
  • Displays Ahrefs’ SEO metrics in the Google SERPs;

Link building tools

These tools help you acquire more links to your site.

13  Ahrefs’ Backlink Checker


Ahrefs’ Backlink Checker shows top 100 backlinks of any site or web page.

It also shows the five most linked web pages, most common anchor texts, total number of backlinks & referring domains, and our proprietary Domain Rating and URL Rating scores.


hunter-domain-search finds email addresses associated with the site. It is free up to 50 requests per month.

You can also use this tool to find the email ids of a specific person. Just enter the domain & the person’s name.

Similar alternatives: FindThat.Email, Voila Norbert

15  Ahrefs’ Broken Link Checker


Ahrefs’ Broken Link Checker shows the top 10 broken inbound & outbound links for any website. You can use this tool to:

  • Find broken link building opportunities.
  • Find broken outbound links on your website, which you can fix to improve user experience.
  • Find broken pages on your website to reclaim “link authority”.

16  Scraper


Scraper is a Chrome Extension that helps you to scrape data from any website. It can be used for a different purposes, e.g., scraping link prospects from Google search results.

17  Help a Reporter (HARO)


HARO is a free service that connects news sources with journalists looking for their expertise.

How it works: Journalists have questions. They need experts to answer them. HARO sends emails with those questions to subscribers. Anyone can respond and potentially become a source for these publications.

No matter whether you are starting out or have an established website, it’s a great way to build authoritative links.

A similar service is SourceBottle.

18  Streak


Streak is a freemium Chrome Extension that turns your Gmail into CRM (customer relationship management) software.

With it, you can schedule and send bulk personalized emails, see if someone has opened them, click it and more. It is a great tool for blogger outreach.

Technical SEO tools

These tools help you improve the technical aspects of your website.

19  Google Search Console

google search console 2

Google Search Console or you can called Google Webmaster Tools is a free service from Google that helps you monitor & troubleshoot your website’s appearance in their search results.

It helps you to find and fix technical errors, see structured data issues, submit sitemaps, and more.

Bing and Yandex have their own versions too.

20  Screaming Frog


Screaming Frog is a desktop-based website crawler. It is one of the popular tools available for analyzing & auditing technical and on-page SEO issues.

With it’s free version, you can crawl up to 500 URLs.

21  Cloudflare


Cloudflare is a free global CDN (content delivery network). Not only can it speed up your website, but it can also protect it from malicious attacks.

22  GTMetrix


GTMetrix analyzes the website loading speed. Alongside the performance score, it also shows actionable recommendations to help your site load faster.

Similar alternatives: Google PageSpeed Insights, Pingdom, WebPageTest.

23  Google’s Mobile-Friendly Test


Google’s Mobile-Friendly Test checks how effortlessly a visitor can use your website on a mobile device. It also identifies mobile-usability issues like text that’s too small to read, use of incompatible wordpress plugins, and so on.

With Google’s move to mobile-first indexing, having a mobile-friendly website is more important than ever.

24  Smush


Smush is a free WordPress plugin for optimizing, compressing, and resizing images. Use it to load your website lightning fast.

Note: Free users can only optimize 50 images at a time. Then after, you have to keep click the “resume” button to optimize the next batch of 50.

Similar alternatives: Shortpixel (free up to 200 images/month)

25  Where Goes?


Where Goes? is a simple and free tool for checking redirect paths for any URL.

Just paste any URL in a trace URL box, and it will show both the type (e.g., 301, 302, etc.) and the number of redirects in the chain. You should minimize the number of unnecessary redirects because it slows down your website and affect the user experience.

26  Robots.txt Generator


Robots.txt Generator easily creates a robots.txt file in seconds.

Advanced users can use the custom option to create rules for various bots, subdirectories, etc.

27  HEADMasterSEO


HeadmasterSEO is a tool for bulk checking the status codes for a list of URLs. With free version, you can check up to 500.

If you prefer a web-based application and only want to check up to 100 URLs, then try

28  Keep-alive Validation SEO Tool


Keep-alive validation SEO Tool helps to check if persistent connections are enabled or disabled on your web pages.

29  Chrome DevTools


Chrome DevTools is web page debugging tool. Use it to debug page speed issues, improve page rendering performance, and more.

From a technical SEO standpoint, it has endless uses.

30  View Rendered Source


View Rendered Source is a Chrome Extension that shows how the browser has rendered a web page’s original HTML into the DOM (Document Object Model), including modifications made by JavaScript.

It is a great tool for those who need to audit or troubleshoot JavaScript issues.

31  Hreflang Tag Generator


Generate hreflang tags to specify the language and geographical targeting of a web page. Just add your desired URL, select your targeted country and language, then click generate.

Rank checking tools

These tools help you check rankings in a target location.

32  Ahrefs’ SERP Checker


Ahrefs’ SERP checker shows the top 10 rankings for any keyword you search in over 170 countries.

For the first 3 search results, you will also see important SEO metrics like the number of referring websites, backlinks, estimated search traffic, etc.


33  Local Search Results Checker


BrightLocal’s Local Search Results Checker shows you the search results from any location—down to the town, city, or even zip level.

Depending on the country you select, you can even specify the language:


Similar alternatives:

34  Mobile SERP Test


MobileMoxie’s SERPerator tool helps you to check your mobile rankings in any location, address, state, city, or zip code.

Some SEOs believe that Google shows different results for different OS (operating system) like iOS and Android.

Analytics tools

These tools help you measure and analyze data on your website.

35  Google Analytics


Google Analytics is the most popular analytics tool. It gives you a whole range of data, which you can use to improve your marketing strategies.

Bing’s version is Bing Webmaster Tools, and Yandex has Yandex Metrica.

36  Keyword Hero


Keyword Hero attempts to replace the “(not provided)” data in Google Analytics with real search keywords.

The free trial allows you to analyze up to 10 URLs & 2,000 sessions/month.

37  Google Data Studio


Google Data Studio allows you create interactive dashboards & reports.

It integrates with Google’s suite of tools, which makes it easy to merge data from places like Google Analytics, Google Search Console, etc.

38  Ahrefs’ WordPress SEO Plugin


Ahrefs’ WordPress SEO Plugin lets you perform content audits & monitor your website backlinks.

The plugin shows result by combines data from our backlink index and Google Analytics to give you recommendations on how to improve your content completely free.

Local SEO tools

These tools help you rank higher in local SERPs.

39  Google My Business


Google My Business helps your business appears in Google Search and Maps.

Claiming and optimizing your Google My Business profile is likely the most important thing you can do in local SEO. According to study, adding GMB is one of the top local ranking factors for both “snack pack” & organic results.

40  Whitespark’s Google Business Review Link Generator


Whitespark’s Google Business Review Link Generator easily creates a shareable link that allows customers to review your business with one click.

Since getting reviews on your GMB (Google My Business) profile is crucial for local SEO, you should consider sharing this link via social media platforms, and elsewhere to make the reviewing process easy.

41  Whitespark Local Citation Finder


Whitespark’s Local Citation Finder lets you find NAP (Name, Address, Phone) citation opportunities for your business.

According to study, citation signals are an important signal for local rankings.

Other tools

These are the tools that didn’t fit into the categories above.

42  Algoroo


Algoroo is a Google algorithm tracking tool that allows you to see if there are any fluctuations in the Google SERPs, which can be an indication of a Google algorithm update.

Similar alternatives: Ayima Pulse, Rank Risk Index.

43  Wayback Machine

wayback-machine’s Wayback Machine helps how your pages looked in the past.

This is very useful for different tasks. For eg, if you are doing broken link building, it is helpful to see what was originally on the dead page so you can recreate it.

44  Google Alerts


Google Alerts lets you monitor your name or business online. It is also helpful to monitor your competitors.

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