15 best Free SEO tools You Should Know in 2021

1.  Answer the public

Gives 150+ keyword ideas in seconds.

Most SEO tools get their data from the same place: The Google Keyword Planner.

Answer the Public is completely different. This awesome tool finds questions that people ask on forums, blogs and on social media. And gives us some awesome content ideas

2. woorank’s SEO & Website Analysis Tool

Gives you a list of SEO improvements in seconds. Come with the handy Chrome Extension.

First, you get an overall SEO score. Then, the tool Gives you EXACTLY how you can improve your site’s on-page and off-page SEO.

3. Animalz Revive

Improve and update old content. Animalz Revive helps you find older content on your site that needs an update, an upgrade… or both.

Before this, you also have to manually check through your Google Analytics account to find these pages.

4. CanlRank

It Gives you Quick answer ‚ÄúCan I rank for this keyword?‚ÄĚ.

CanIRank is a super-detailed keyword difficulty tool. Unlike others tools it gives you exact details on keyword difficulty and you can rank for the keyword or not with clear analysis.

5. Google’s Mobile- friendly Test

Get your site ready for Google’s Mobile-first Indexing. If your site is not optimized for mobile devices you are in trouble. You already heard about the google algorithm update this update is officially called as Mobile First Indexing.

6. Seedkeywords

Gives you completely fresh keyword ideas.  

Most keyword research tools work the exact same way:

Everyone searches the same seed keywords into these tools. Well, Seed Keywords takes a completely different approach.

Instead of getting seed keywords out of thin air, you ask your customers how They would search for you online.

7. KWfinder

No-nonsense keyword research tool. Best of this keyword tool simple UI and easy to understand with detailed results and analysis for your keywords.

This is a legit and worthy tool that most pro’s use it.

8. Exploding Topics

This tool lets you find trending topics with new keywords for your content. This tool shows you trending and popular topics for your keywords also with category.

This tool currently has 5k topics in its database and it is updating every week.

So, give it a try

9. Seobility

Gives you in deep SEO site analysis. SEObility crawls your entire site and lets you know about SEO issues like:

  • Slow loading pages
  • Blocked pages
  • Sitemap problems
  • Technical SEO issues

And many more

10. Ubersuggest

Gives you keyword suggestions and competition data. Ubersuggest has a lot of features that are usually only found in premium SEO tools.

Site Analysis

Keyword analysis

Technical Analysis Etc


See your site through the eyes of a search engine.

As it turns out, search engines see your site VERY differently than you do.

And BROWSEO gives you the type of x-ray vision that search engines have.

12. Google Search Console

Get SEO help straight from Google.

No SEO tools would be complete without the Google Search Console

This tool gives you all round options to understand and improve your site SEO In search Engine

13. People Also Ask

Same like Ask the public it also have the power of giving you the topics and keyword ideas taken from the public.

It Gives you trending and new content ideas for your content marketing.

14. screaming frog

Find and fix technical SEO issues in seconds.

Finding technical SEO problems on your site can be a huge task.

Use this this and know your site Technical SEO results Easily just type your site address and this tool will do its magic.

15. BuzzSumo

BuzzSumo is a content researching tool. It gives you trending content topic ideas in almost every category.

If you are a marketer, analyst, or e-Statician then you may have come across these tools for your use. Are you a business owner or an entrepreneur and want to boost your business online? If you are not able to make more out of your business, then learn digital marketing skills for 2021 and Become a pro marketer.