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28 Best Free SEO Tools To Improve Ranking in 2025 

How can you do SEO more efficiently and faster? It all begins with having the proper tools. In this blog, our SEO experts have listed the best keyword research tools and best free SEO tools updated for 2025.

As a small business, you certainly employ digital marketing techniques to grow your business. Optimizing your website for SEO is the key to bringing organic traffic. 

But the ranking factors of search engines are updating every day. Also, SEO needs a long time to give excellent results. So, enhance your SEO techniques daily and give attention to every aspect.

At first, you need to know what is SEO and how it works? 

keyword research tools, keyword analysis tools, site rank checkers, and SEO rank trackers can significantly elevate your digital marketing efforts. If needed, get help from a reputed SEO company in Kolkata.

The best part? Many of the most powerful tools are available for free.

In this blog, ourorganic seo expert in kolkata has listed a variety of free SEO tools. This list includes the Google keyword research tool, rank checker, and competitor keyword research. Let’s go through the best keyword research tool and best SEO tools in 2025.

Free SEO tools from Google

1) Google Search Console

The Google Search Console is a must-have for any list of free SEO tools. Get website monitoring, warnings, and problem reports regularly. This is the most popular SEO tool used by the best seo agency in kolkata.

It allows you to examine and solve technical problems on your website, see key SEO statistics such as clicks, impressions, and average ranking position, submit sitemaps, and much more.

  • Limitations: Displays just a few technical SEO problems, the top 1,000 backlinks, and organic keywords.
  • Highlight: Report on Index Coverage. The Index Coverage Report displays a list of your website's non-indexed pages.

Similar: Bing Webmaster Tools and Yandex Webmaster Tools

2) Google Test for Mobile-Friendliness

Google has over 200 SEO ranking factors. As the mobile search volume is increasing, you're at significant risk if your site isn't mobile-friendly.

So, Google provides this test to examine your website's mobile usability.

Type any URL and it will tell you whether it is mobile-friendly. It also informs you of what’s wrong and what has to be fixed.

  • Highlight: Page loading problems. This feature shows how you may enhance the code of your website. As a result, Google's mobile crawler will locate and index all the contents on your site.

3) Google PageSpeed Insights

This tool helps optimize site performance based on Core Web Vitals, now including INP in 2025.

Submit a URL and it will evaluate its loading time and efficiency. It then assigns a score from 0 to 100 to your site's performance. Also get recommendations on areas of concern.

Similar: Pingdom, WebPageTest, and GTMetrix

Must Read: Why Website Speed is Important for SEO?Why Website Speed is Important for SEO?

4) Google Analytics 4 (GA4)

While it isn't strictly for SEO, it’s a useful tool for full web statistics and search insights like bounce rate, sources of traffic, site time, etc.

  • Limitations: There are no restrictions on its use, although searches that bring you organic traffic are hidden. You'll need to use it with a tool like Keyword Hero to know the hidden information.

5) Google Trends

Track the popularity of search queries over time and compare them to uncover seasonal keywords.

6) Google Keyword Planner

Though designed for Ads, it’s one of the best free keyword research tools from Google. Gives keyword volume, competition, and CPC data.

Best Keyword Research Tool For Free

7) Answer the Public

The data for most SEO tools uses the same source: the Google Keyword Planner. But Answer the Public is unique.

It searches for questions posted on forums, blogs, and social media and converts those into keywords. Thus, you can have a massive list of long-tail keyword possibilities.

In seconds, you may get 150+ keyword ideas based on a single term.

  • Limitations: Two free searches each day
  • Highlight: “Vs.” keywords feature

Similar: KeywordTool.io, Keyword Sheeter, and Ahrefs Keyword Generator

8) Ubersuggest

Ubersuggest has several capabilities that are often available only in paid SEO solutions. However, it is completely free.

Just enter your targeted term or your competitor’s website link. It will provide you with comprehensive information on keyword difficulty, monthly search volume, and other factors. In addition, get a list of recommended keywords based on the term you entered.

  • Highlight: Comparisons. This feature displays "X vs. Y" keywords.

9) Exploding Topics

It’s among the popular free SEO tools. Because it brings up content ideas that are only becoming popular. 

Discover hot keywords before they become competitive. So, you will develop content centered on these rising trends. Or you can optimize your old content around a new keyword.

  • Highlight: Categories. This feature narrows your search to a particular subject area that is relevant.

Similar: Glimpse and Treendly

10) AlsoAsked

A newer tool that visualizes the “People Also Ask” data better than ever, offering keyword mapping and topic clustering.

11) LowFruits

A growing favorite in 2025. Helps identify low-competition keywords using SERP data. 

12) CanIRank

CanIRank is a keyword difficulty tool that is very comprehensive. Unlike other free SEO tools, it does not provide general recommendations such as:

"This keyword has a high level of competition."

Instead, it informs you whether you’re qualified to rank for that term.

Highlight: "How can you better target this keyword?" is the best advantage. It provides recommendations to help you rank for a particular keyword.

AI-Powered SEO Tools (Free)

13) ChatGPT with Web Browsing (Free Tier)

Used for content ideation, meta description generation, keyword clustering, and on-page optimization support.

14) INK SEO AI Assistant

A freemium tool for writing optimized content, analyzing SERP intent, and content scoring.

15) WriteSonic

Create SEO-optimized content using AI for landing pages, blogs, and ad copy.

16) Scalenut

Generates SEO-friendly long-form content using NLP and competitive SERP data.

17) NeuronWriter

An advanced AI-powered content optimization tool that helps structure SEO-focused content based on competitor data and NLP recommendations.

18) Gemini by Google

Gemini, Google’s AI assistant, can be used for quick SEO brainstorming, content ideation, summarizing competitor pages, and even generating keyword-rich content outlines. As it's directly integrated with Google’s search ecosystem, it's incredibly aligned with SEO best practices.

Highlight: Use Gemini to simulate user intent queries and get real-time topic insights straight from Google's AI. Great for optimizing content around E-E-A-T.

All-purpose Free  SEO Tools

19) SEO Minion

A versatile browser extension for on-page SEO analysis, SERP previews, and Hreflang checks.

20) SERanking

Offers rank tracking, keyword grouping, and audit tools. Limited features are free with registration.

21) Detailed SEO Extension

Created by Glen Allsopp. It’s a lightweight browser extension that gives core metadata and SEO metrics instantly.

22) Rank Math SEO Plugin

A powerful free WordPress plugin with modern schema options and detailed SEO suggestions.

23) SEO toolbar from Ahrefs

The Ahrefs SEO toolbar is a free Chrome and Firefox plugin that checks for broken links, traces redirect chains, and highlights nofollow connections on any site. It also produces an on-page SEO analysis for the site, which contains the following information:

  • Title
  • Meta Description 
  • Number of words
  • Headers
  • Tags for hreflang
  • Canonicals
  • OG tagging

You'll also be able to view crucial keyword data like search volume, CPC, and keyword difficulty inside the SERPs if you have a premium Ahrefs account.

  • Limitations: Technical and on-page SEO capabilities are free, however to view SEO metrics in the SERPs, you'll need an Ahrefs account.

Similar: Detailed SEO Extension, SEO Minion, LinkMiner (broken links), and Ayima Redirect Path (redirect tracing)

24) Woorank's SEO & Website Analyzer

Most free SEO tools just provide information about issues, not remedies. However, with Woorank, you receive a comprehensive SEO checklist to troubleshoot any problems.

First, they will assign an overall SEO score. Then shows specifically how to enhance your site's on-page and off-page SEO.

Highlight: Marketing Checklist

25) Seobility

SEObility scans your entire website and alerts you SEO problems such as:

Slow loading pages

Blocked pages

Issues with the sitemap

SEO technical difficulties

This kind of information is typically only available via professional SEO tools. So it's great that Seobility provides this information for free.

Highlight: Content Report. This report provides a list of pages with content-related SEO problems like missing meta titles, keyword stuffing, and plagiarism.

26) Rank Checker

If you want to check where you rank on Google for a particular term, use a SEO rank tracker. 

Rank checker simplifies the procedure, and you can check up to 10 keywords for free.

Highlight: SERP rankings. You can check out your and your rival’s rank in the SERPs.

27) SEO Log File Analyzer by Screaming Frog

If you want to see what Googlebot is doing on your site, go through the log files. You can accomplish this for free using Screaming Frog's Log File Analyzer. 

This handy tool searches your site using a crawler similar to Google's. And produces a report of problems like HTTP header errors, JavaScript rendering issues, bloated HTML, and crawl errors.

Restriction: Up to 1,000 lines are allowed

Highlight: Detect duplicate content

Similar: SEOlyzer

28) Yoast SEO 

Yoast SEO is the finest WordPress SEO plugin for free. It helps you optimize your blog articles for search engines.

Enter the primary keyword for your blog article and see recommendations for enhancement.

Restriction: There are certain data limitations that may be removed with a premium account.

Highlight: XML Sitemap Generator. With this, you don't have to fiddle with your sitemap every time you add a new page. It will automatically refresh your sitemap.

Similar: Rank Math, All in One SEO, and SEO Framework 

29) Animalz Revive

Animalz Revive assists you in locating older material on your site that requires an update. So, you can enhance and update the existing content.

Previously, you had to manually search your Google Analytics account for these pages. That was a major headache. Thankfully, this tool informs you which items on your site require the most maintenance.

Highlight: Traffic Loss Since Peak (Views). This feature tells you how many visits a piece of outdated material is giving you.

30) Detailed.com

Competitor keyword research is the most essential for SEO optimization. Detailed is a free SEO tool that gathers information about your competitors.

Also, it provides you a hand-picked selection among the most popular websites in your field and assesses your major rivals.

Highlight: Mentions. This feature displays who has recently linked to (or tweeted about) your competitor.

31) SERPerator

This fantastic tool compares SERPs across several locations and devices. Search results vary depending on where you are and what device you’re using. This is especially true for local queries such as "pizza restaurant".

You can view precisely how the results would appear for someone looking on a certain phone from almost any big city.

Highlight: Compare Devices. You can examine the results on two distinct smartphones side-by-side.

32) Siteliner

Siteliner examines your website for SEO issues like blocked pages, messed-up redirects, and broken links.

Highlight: Comparison with other sites.

This helps in comparing the loading speed and page size of your site to those of other sites in Siteliner's database. This is useful for benchmarking.

33) Robots.txt File Creator

Create robo text for your website. Robots.txt files advise web crawlers about what to do with a site's pages. When a page is marked as forbidden in robots.txt, the robots are instructed to totally ignore such websites.

Similar: YellowPipe's Robots.txt Generator 

34) XML Sitemaps

Sitemaps assist Google and other search engines in discovering, crawling, and indexing all the pages on your website.

Simply input your site's URL and a few additional settings, and XML Sitemaps will generate a sitemap for you to submit to Google Search Console and Bing Webmaster Tools.

Restriction: Up to 500 pages.

  • Robots.txt Generator by SEO.ai A newly updated tool for 2025 that helps generate compliant Robots.txt files based on your site's structure.
  • SERP Robot Quick and accurate rank tracking across locations and devices.
  • Thruuu A new tool that scrapes and analyzes the top 10 SERP results for keyword research and content benchmarking.

Final Words

That’s all the best SEO tools 2025. We’ve mentioned the best keyword research tool, Google keyword research tool, rank checker, keyword analysis tool, site rank checker, and SEO rank tracker. 

Select the tools that best suit your needs and stay updated with SEO trends to keep your website ranking high in search results.

Ready to get started?

Get in touch with us to schedule a free demo and see how Favfly can help you grow your business.

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  • Last Updated Jul 10, 2025
    Published Date Jul 05, 2025
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