30+ Best Free SEO Tools In 2025
30+ Free SEO Tools In 2025 – Are you looking for a list of free and useful SEO optimizer tools? Then stop looking.
Also read: 7 Best Tools For Website Checker In 2025
You don’t need every free SEO tool available. You only need enough to cover your use cases.
30+ Best Free SEO Tools In 2025
1. Ahrefs Webmaster Tools
Before you employ an interior designer to decorate your home, be sure the foundation is rock strong. This is one of the best SEO optimizer tools available in 2025.
The same is true for your website. Before you begin optimizing your website, you must first ensure its technical health.
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Check for over 100 typical SEO issues by performing a thorough crawl of your website with Ahrefs Webmaster Tools (AWT).
You’ll also be able to check who is linking to your website and which keywords are currently ranking for.
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This application does more than just tell you about the issues with your website. It will also explain why something is an issue and how to fix it.
2. Ahrefs Keyword Generator
Our free keyword research tool for search engine optimization displays the top 100 keyword ideas and top 50 related questions for every term or phrase. It also displays essential keyword metrics such as search volume and keyword difficulty.
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In addition to Google, you can see keywords for other popular search engines such as YouTube, Bing, and Amazon. Simply choose the search engine for which you want data.
3. Google Keyword Planner
Google Keyword Planner (GKP), which is designed for keyword research for Google Ads, is a crucial tool in an SEO’s toolbox and is one of free SEO optimizer tools.
This is primarily due to the fact that the tool is provided by Google, and many SEOs believe its data is the most accurate.
However, in our investigation, we discovered that GKP almost always overestimates “actual” search traffic and is only about 45.22 percent accurate.
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Another disadvantage is that GKP does not display absolute search volumes, only a range of them (as you can see in the screenshot above). Nonetheless, it’s a valuable tool for covering all of your bases when it comes to keyword research.
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The majority of keyword research tools display ideas depending on the seed keyword you entered. If you search for “coffee,” you’ll receive suggestions like “coffee bean,” “coffee near me,” “coffee cafes,” “keurig coffee maker,” and so on.
GKP, on the other hand, can display you semantically relevant terms. GKP, for example, suggests keywords such as “cappuccino,” “espresso,” “barista,” and “french press” even if they do not contain the word “coffee.”
4. AlsoAsked
People Also Ask is a SERP feature that appears for practically every query you search for on Google (PAA). This is one of top tools for SEO in 2025.
AlsoAsked scrapes them and displays the PAA questions that are relevant to the topic you’ve input. Use these to identify subtopics and questions that should be addressed in your article.
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More PAA questions appear when you click on a PAA query in Google.
AlsoAsked allows you to delve deeper into this research (but only if you subscribe to a subscription plan).
5. Keyworddit
Finding the topics that your target audience is looking for is the goal of keyword research. So what better way to find out what people are talking about than on Reddit, one of the internet’s largest “forums”?
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Enter the name of a subreddit in which your target audience is active. The keywords will then be extracted from that community using Keyworddit.
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Keyworddit additionally displays the context in which the keyword appeared.
6. Google Trends
Google Trends displays a topic’s popularity over time.
Use it to identify and profit on trending subjects, as well as to avoid writing content about topics that are losing popularity.
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Google Trends also displays similar subjects and queries that are becoming more popular.
7. RankMath
Consider adding your title tags, meta descriptions, OG tags, and other meta tags by hand for each post you publish. This is one of the best SEO tools available in 2025. Wouldn’t you be enraged?
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You don’t have to do that if you’re using WordPress. RankMath makes it simple to add all of these.
Aside from that, RankMath can assist with:
- URL redirection
- Finding and repairing broken links on your website
- Seeing data from Google Search Console within your WordPress dashboard
- Monitoring the ranks of your keywords
And even more
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You can add schema markup to your posts using RankMath’s extensive schema markup library.
8. Google SERP Snippet Optimizer Tool
Fill in the blanks with your recommended title, meta description, and URL. This tool for search engine optimization will then show you how your webpage might appear in search results. This is one of top tools for SEO in 2025.
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If you’re using a WordPress plugin like RankMath, you can already do this. However, it is useful even if you do not use WordPress.
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Examine the Rich Snippet and Date radio buttons to see how they appear in the SERPs.
9. Merkle’s Schema Markup Generator
The use of schema markup allows search engines to better understand your material. It also drives rich snippets, which frequently outperform “normal” search results in terms of click-through rates.
Merkle’s Schema Markup Generator assists you in creating the correct schema code. Choose the sort of schema markup you want to generate, such as local company, FAQ, product, and so on, fill out the form, and then copy and paste the resulting markup onto your site.
If you’re already utilizing a WordPress plugin like RankMath, you can do this. If you aren’t, this is a useful tool. This is one of free SEO tools.
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This is not a tool-specific feature. However, once you’ve developed your schema markup, you may validate it using Schema.org’s Markup Validator.
10. Ahrefs SEO Toolbar
You may see the vital SEO data of any webpage you visit using Ahrefs’ SEO Toolbar. These are some examples:
- The page’s title
- Meta description
- Dates when page was published and modified
- Word count
- Headings
- Hreflang tags
- OG tags
And more.
Aside from that, the tool also:
- Checks for broken links
- Traces redirect chains (full path)
- Highlights nofollow links
And a lot more. The tool for Search Engine Optimization made by Ahrefs is really easy to use.
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You can see our stats within the SERPs if you have an Ahrefs membership.
11. Ahrefs Backlink Checker
One of the most typical link-building activities is pursuing your competitors’ links. That means examining your competitors’ links and determining how they obtained theirs. Then you can potentially imitate their strategies.
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To do so, you must first determine who is connected to them. Enter the URL of the page with which you are competing into our free backlink checker.
The top 100 backlinks leading to that page will be displayed.
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This tool for search engine optimization also displays the top five most connected pages, the most frequently used anchor texts, the total number of backlinks and referring Domains, and our own Domain Rating (DR) and URL Rating (UR) values.
All of this information is crucial in developing your link-building strategy.
12. Hunter.io
The majority of link building strategies include reaching out and convincing someone to connect to your page. You’ll need their email address for that to happen. This is one of top tools for SEO in 2025.
You can use Hunter.io to find anyone’s professional email address. Simply input the domain of the email address you’re looking for, and the program will display a list of email addresses it has discovered.
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If you’re performing a lot of link building, you may utilize Hunter.io’s bulk email finder to find and validate email addresses all at once. This is one of the best SEO tools available in 2025.
13. Help a Reporter Out (HARO)
This is how it works:
- Journalists have queries that need to be answered by specialists
- HARO provides the queries to their subscribers via email
- Anyone can comment and become a source for the journalists’ publications
This is a terrific approach to create authority links whether you’re just starting out or have an established site. This tool might be not spefically made as a tool for Search Engine Optimization, but if you make use it right, it will help you get powerful backlinks.
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This is not a HARO function. However, signing up for HARO implies that you will begin receiving numerous emails from HARO every day. You should limit the emails you receive from HARO to to those that are relevant to your work.
You’ll need to construct a Gmail filter to accomplish this. Here’s how it’s done:
- Click the caret to the right of the search bar
- Fill in the “from” field with [email protected] (or another feed)
- Fill in the “Includes the words” section with your keywords (using the OR separator) and use quote marks to treat multiple words as one keyword
14. Google Search Console
Google Search Console may help you uncover and fix technical flaws on your website, submit sitemaps, identify structured data issues, and check your Core Web Vitals, among other things.
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The URL Inspection tool for search engine optimization displays information about the indexed version of a certain page on Google. Enter any URL to discover if there are any problems.
You can even utilize the URL Inspection API to bulk-check your data if you’re advanced enough.
15. Cloudflare
A content delivery network (CDN) is a worldwide distributed server network that allows users to access your website more quickly.
It caches static content across its servers in order to provide it from a place close to the visitor, allowing content to load faster.
Cloudflare can help you speed up your website while also protecting it from dangerous threats. This is one of free SEO tools.
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Cloudflare will generate a free SSL certificate for your website. This is significant since HTTPS protects your site and is a ranking factor for Google.
16. GTmetrix
Since 2010, Google has used page speed as a ranking factor. If your site is really slow, this could be one of the reasons it isn’t ranking as highly as it could.
GTmetrix may be used to test your page speed and evaluate how the page is functioning. This is one of top tools for SEO in 2025.
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GTmetrix also displays the main issues affecting your site, as well as tips for how to resolve them.
17. ShortPixel
Large photos (in terms of file size) can take longer to load and so slow down your page speed. Google even offers considerable material on picture optimization for the web:
Experiment with different quality settings for your photographs for the best results, and don’t be afraid to scale down the quality—the visual effects are often really good, and the filesize savings can be fairly significant.
ShortPixel can compress, optimize, and resize your photos.
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ShortPixel optimizes your media library automatically.
18. Robots.txt Generator
A robots.txt file instructs search engines on where they may and cannot go on your website. It primarily lists all of the stuff you want to keep out of search engines like Google.
If your website does not yet have a robots.txt file, use this tool for search engine optimization to rapidly generate one.
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If you are an advanced user, select “Customize” to define separate rules for different bots, subdirectories, and so forth.
19. Hreflang Tag Generator
Hreflang is an HTML attribute that specifies a webpage’s language and geographical targeting. This is one of the best SEO tools available in 2025.
If you have numerous language versions of the same page, you may use the hreflang element to inform search engines like Google about these differences. This allows them to provide their users the correct version.
This application will produce the proper hreflang tags for your website. Simply enter your preferred URLs, choose your target nation and language, and click “Generate.”
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You can upload URLs in bulk (up to 50) to the tool. Simply click “Choose file” and select your CSV file.
20. View Rendered Source
This displays how the browser translated the original HTML of a page into the DOM, including JavaScript modifications. This is one of top tools for SEO in 2025.
It’s an excellent tool for search engine optimization, auditing or troubleshooting JavaScript bugs.
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View Rendered Source displays the differences between the raw and rendered versions of your code.
21. Ahrefs SERP Checker
Google customizes search results based on your location, language, and search history. As a result, search results may vary greatly depending on where you search.
Use our free SERP checker to get real-time search results in the location you wish to rank in. This is one of free SEO tools.
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You’ll also get vital SEO metrics like the amount of referring sites, backlinks, anticipated search traffic, and so on for the top three search results.
This is useful for evaluating top-ranking pages and understanding why they are ranked where they are.
22. BrightLocal’s Local SERP Checker
If you’re conducting local SEO, you’ll want to see even more detailed search results—down to the city, town, or ZIP code level. BrightLocal’s Local SERP Checker may help you with that.
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You can even specify the language depending on the country.
23. Google Analytics
Google Analytics is most certainly the most popular analytics tool available. It’s no surprise—not only is it free, but it’s also quite powerful. It provides you with a wealth of data for your website that you can examine and analyze to optimize practically every element of your marketing.
So, rather than focusing on a certain feature I appreciate (which appears to be nearly impossible), read the article recommended below to learn how to use Google Analytics to boost your SEO performance.
24. Google Data Studio
You’re undoubtedly preparing SEO reports for your clients, supervisors, and bosses, whether you’re an in-house SEO or an SEO firm. Google Data Studio facilitates such reporting.
It is relatively simple to consolidate data from sites like Google Search Console, Google Analytics, and so on because it connects with Google’s suite of products.
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You may even import data from SEO optimizer tools such as Ahrefs.
25. Ahrefs SEO WordPress Plugin
Not every piece of material you create will be a success. That’s OK. You can always go back and figure out what went wrong and improve its performance.
But first, you must identify the underperforming pages. This is when you conduct a content audit. This is one of the best SEO tools available in 2025.
Our SEO optimizer tool WordPress plugin automates the content audit process and provides you with recommendations.
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When you click the suggestions, we’ll provide you advice on what to do next.
26. Google Business Profile Manager
According to BrightLocal’s poll, 36% of SEOs believe the most essential ranking element for the map pack is a Google Business Profile. And only 6% say it is vital for “normal” organic results.
So, if you own a local business, make sure your Google Business Profile is set up.
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According to BrightLocal’s 2025 study, 17 percent of SEOs consider reviews to be the most essential ranking element for “map pack” ranks.
Create and share review links through your Google Business Profile to increase the number of reviews for your local business.
27. Wayback Machine
The Wayback Machine saves historical screenshots of web pages in its database. You can then input any URL to view past versions of those webpages (even currently broken ones). This is one of free SEO tools.
Also Read: How Does SEO Work?
This can be used for a variety of activities. For example, if you’re conducting broken link construction, you can see what was initially on the dead page and reproduce it.
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If your competitors are continuously changing or upgrading their pages (and thereby outranking you), you can use the Wayback Machine to examine what sections or subtopics they’ve added.
28. Google Alerts
Set up mentions of your name or business with this tool. Google Alerts will then send you an email with a list of all the pages that have mentioned the phrase you’re following, based on the frequency you specify.
You can also use it to keep track of your competition. This is one of top tools for SEO in 2025.
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Use Google Alerts to keep track of unlinked mentions. Unlinked mentions are references to your brand, products, or services that do not include a connection to you. Those are opportunities squandered.
Set up separate Google Alerts for each of your brand’s keywords. For example, we can monitor:
- Ahrefs
- Site Explorer
- Keywords Explorer
- Content Explorer
- Tim Soulo
When you receive an email from Google Alerts, examine the pages, inspect the source code (right-click > view page source), and use CTRL/CMD+F to search for yourdomain.com. If there are no results, it signifies that there are no links pointing back to you.
Consider contacting the writer or webmaster to ask if they can include a link to your site.
29. Google
Even with so many free SEO tools available, you can’t ignore Google, which is perhaps the most potent SEO optimizer tool. This is one of the best SEO tools available in 2025.
Google can help you with a variety of SEO activities. For example, you can utilize Google to determine the search intent and align your page with it.
Assume you wish to rank for the term “best french press.” When we search for the term on Google, we notice that people want to learn rather than buy. They specifically want to see comparisons of all the greatest and most recent French presses.
If you operate a coffee blog and want to rank for this term, you’ll probably have to do the same.
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You can use Google search operators to uncover chances for guest posts, internal linking, link prospects, and more.
In our comprehensive guide to Google search operators, you’ll learn about some effective ways to leverage Google for SEO.
30. Schema Markup Generator
Schema markup (schema.org) is a structured data language that allows search engines to better understand what a page is all about.
This Schema Markup Generator tool will help you generate structured data language in the form of JSON-LD. The generated JSON-LD code can then be put on your webpage.
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This tool is 100% free to use. The code will be generated in real-time while you’re filling the required forms.
31. Video Schema Markup Generator
Sometimes you notice that there are videos appear on Google SERP, asides from Youtube. The video rich snippets are taken from video structured data applied on a webpage.
The webmaster of that webpage uses video schema markup that make things possible.
The Video Schema Markup Generator is another free SEO tool you can use to generate structured data for video avaliable on your webpage.
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Same like previous tool, the Video Schema Markup Generator tool is 100% free to use. Just enter a Youtube video URL and the requred structured data markup will be generated automatically and instantly. This tool, among any others, is a must-use tool for Search Engine Optimization (SEO).
