We have a collections of 106 perfect completely free SEO tools for webmasters, tools with each free and paid options, and free trial offers.

1. Anchor Text Over Optimization Tool

Worried about Google’s Penguin algorithm hitting you for over-optimized anchor text? Simply type in your URL for a full report of which links might raise flags.

Anchor Text Over Optimization Tool

2. Bing Webmaster Tools

Similar in function to Google Webmaster Tools, Bing offers a suite of interesting research tools and resources for webmasters.

Bing Webmaster Tools

3. Bitly

Most people use Bitly for URL shortening, but the real power of this platform comes from its analytics.


4. Boomerang

Boomerang lets you follow up on emails, even when you forget. Great for link building or any time you send a lot of emails.


5. Buffer

Optimize your online social media sharing. Buffer allows you to share with your audience at the optimal times for greater visibility.


6. BuiltWith

Use BuiltWith to discover what technology nearly any website was, well, built with. Great for competitive intelligence as well.


7. Buzzstream Tools Suite

Most people know Buzzstream as an outreach platform, but they also offer a number of free link-building tools. This company gets it.

Buzzstream Tools Suite

8. AuthoritySpy

AuthoritySpy is designed to help you find the top influencers in your space. It discovers these movers and shakers by searching in places like AllTop, Twitter and Followerwonk


9. CircleCount

Google analytics ramped up. Free resource to track your followers and analyze your shares. See how many followers you’ve gained over time.


10. Content Strategy Generator Tool

This tool from SEOgadget helps you plan your content strategy intelligently, using keyword research and estimating your audience size.

Content Strategy Generator Tool

11. Convert Word Documents to Clean HTML

Despite the rise of Google Docs, Word still dominates much of the world. Copying and pasting has always been a hurdle, but this tool makes it easy.

Convert Word Documents to Clean HTML

12. Copyscape

Copyscape serves both as a plagiarism checker and a duplicate-content checker. Great to use if your content has been distributed across the web.


13. Domain Hunter Plus

This magic extension for Chrome not only helps you find important broken links, but also tells you if the links point to an available domain.

Domain Hunter Plus

14. Easel.ly

Free tools for creating and sharing inforgraphics. The templates allow anyone to create a professional-looking graphic.


15. Email Format

Email Format helps you find the proper structure for thousands of companies and organizations across the web.

Email Format

16. Check My Links

If you do Broken Link Building (or The Moving Man Method), then youll love Check My Links. With a click of a button, this Chrome extension quickly checks any webpage for broken links.

Check My Links

17. Broken Link Builder

The Industrial-Strength Broken Link Prospector for Agencies and Advanced In-House Link Builders

Broken Link Builder

18. Link Prospector

A industrial-level link opportunity finder. Link Prospector scans the web for link building opportunities like resource pages, guest posts, blogs, news sites and more.

Link Prospector

19. Google Keyword Planner

The tool to replace Google’s popular keyword tool has been derided by some, but still offers data not available anywhere else.

Google Keyword Planner

20. Google Analytics

The most popular of all the analytics tools available, Google Analytics continually innovates and sets the standard.

Google Analytics

21. Google Analytics API

The Google Analytics API is great for building custom reports and tools, and also for pulling data straight into Excel or Google Docs.

Google Analytics API

22. Google Map Maker

Among other things, Google Map Maker allows you to contribute to public map information, which may be shared and incorporated into Google Maps.

Google Map Maker

23. Google PageSpeed Insights

Tools, data, and insights to improve your page speed. Page speed is correlated with better rankings and user engagement, so this matters.

Google PageSpeed Insights

24. Google Public Data

Drawing on vast public databases, Google public data offers a great starting point for content research, infographics, and more.

Google Public Data

25. Google SERP Snippet Optimization Tool

That SEO Mofo! Use this tool to see how your snippet may appear in Google’s search results. Add structured data, review stars, and more.

Google SERP Snippet Optimization Tool

26. Google Structured Data Testing Tool

If you use Schema.org microformats or any other type of structured data, this tool will verify your markup.

Google Structured Data Testing Tool

27. Google Trends

See what’s trending in Google search results and view keyword search popularity over time. A must for trends.

Google Trends

28. Google Webmaster

Track your site’s search performance with Google Search Console and browse around for more webmaster resources.

Google Webmaster


IFTTT stands for IF This, Then That. The tool allows you to create automatic triggers between various apps, like Gmail and Twitter.


30. Infogr.am

A great free Infographics resource that allows you to easily create graphics and data visualizations.


31. Internet Marketing Ninjas SEO Tools

The Ninjas are some of the best SEOs and online marketers out there, and they’ve put some of their best tools online for free.

Internet Marketing Ninjas SEO Tools

32. Linkstant

This nifty analytics tool alerts you anytime someone links to your website. Great for outreach and intelligence gathering.


33. Content Marketer

An excellent tool that finds contact information (ie. emails) and helps you reach out to those people. Ive found that the contact info it spits out is pretty darn accurate.

Content Marketer

34. MailTester.com

Need to send an email to an untested address, but you don’t want to spam them? Check it first with this mail tester to verify.


35. MozCast

Want to know if Google is testing its algorithm this week? MozCast gives you a daily weather report to track changes in the SERPs.


36. MyBlogGuest

Guest blogging is still alive and thriving. MyBlogGuest helps you find the good opportunities out there.


37. Panguin Tool

This awesome tool connects with your Google Analytics account to help you see if and when you’ve been hit by Google Algorithm updates.

Panguin Tool

38. Pingdom

Pingdom offers an entire suite of speed tools to help analyze page load, DNS issues, and connectivity.


39. Piwik

Piwik is a lightweight web analytics solution, and a great alternative to Google Analytics.


40. Rank Checker for Firefox

This light and easy desktop tool checks rankings with the click of a button. Quick, easy and free.

Rank Checker for Firefox

41. Rapportive

Rapportive works with your Gmail inbox to give you near-instant rich contact information for almost everyone you want to reach. A must-have for marketers.


42. Free Broken Link Checker

This tool checks a website for broken links. Helpful for broken link building.

Free Broken Link Checker

43. Robots.txt Checker

Use robots best practices and discover hidden errors in your robots.txt files that may cause search engine crawling problems.

Robots.txt Checker

44. Schema Creator

Everyone loves using Schema.org, but the microformats are difficult to write by hand. This generator from the folks at Raven simplifies the task.

Schema Creator

45. Scraper for Chrome

If you’ve never scraped a webpage, you’re missing out. Scraper for Chrome puts the power of simple web scraping in your hands without the need for code.

Scraper for Chrome

46. Seer Toolbox

SEER opened up its internal toolbox for everyone in the world to use. These are the same tools used in-house at SEER, and they rock.

Seer Toolbox

47. SEO Toolbar

On of the most popular tools available, The SEO Toolbar puts a ton of information at your fingertips including backlinks and competitive research.

SEO Toolbar

48. SEO Tools for Excel

You don’t need to be an Excel ninja to use Niels Bosma’s SEO Tools for Excel. This plugin does so many things many SEOs won’t work without it.

SEO Tools for Excel

49. SEOgadget Links API

The SEOgadget Links API lets you easily gather not only backlink data but contact information as well. A huge time saver.

SEOgadget Links API

50. SEOgadget Tools

This suite of tools from the Gadget lab includes several Excel plugins, a content strategy generator, and more.

SEOgadget Tools

51. SEOQuake

More raw data than any other SEO toolbar out there.


52. SharedCount

Want to know how any piece of content was shared socially across the major services? This is the tool to use.


53. SharedCount API

Harnessing the combined statistics of Google, Twitter, Facebook, and more, the SharedCount API puts a ton of social data at your fingertips.

SharedCount API

54. Similar Page Checker

Use this tool to check for duplicate content issues. The Similar Page Checker will give you a score of how closely the HTML of two pages resemble each other.

Similar Page Checker

55. Sitemap Generators

Google offers a slew of free, top-notch sitemap generators. Most of these live on your server and generate new sitemaps automatically.

Sitemap Generators

56. Social Authority API

How much reach and social authority do your followers have? How about the people you’re trying to connect with? The free Social Authority API will tell you.

Social Authority API

57. Social Crawlytics

Social Crawlytics allows you to conduct competitive research by showing you your competitors’ most-shared content. Lots of other features as well.

Social Crawlytics

58. Social Mention

Social mention offers real-time social media search and analysis. Enter a search term and see who’s sharing what, right now.

Social Mention

59. Text Cleaner

Some of the best tools solve the simplest problems. Text cleaner cleans up all kinds of text formatting when copying and pasting between aplications.

Text Cleaner

60. Ubersuggest

Every SEO loves Ubersuggest for its ease of use and wealth of keyword research ideas. Utilizing the power of Google Suggest, it returns hundreds of potential results.


61. GroupHigh

GroupHigh is advanced blogger outreach software.


62. Wayback Machine

Want to see the history of your website or your competitor’s site? The Wayback Machine allows you to step back in time and track important changes.

Wayback Machine

63. WebPagetest

Quick and easy website speed tool. Offers suggestions for improving performance.


67. Wordle

Create beautiful word clouds. Great for visualizations, graphics, and research.


68. Wordstream Free Keyword Tools

In addition to its paid offerings, Wordstream offers a suite of free keyword tools offering access to thousands of keyword suggestions.

Wordstream Free Keyword Tools

69. Xenu’s Link Sleuth

Winner of the ugliest-SEO-tool-on-the-planet award, Xenu is also one of the most useful. Crawl entire sites, find broken links, create sitemaps, and more.

Xenus Link Sleuth

70. XML-Sitemaps.com

XML-Sitemaps offers probably the easiest sitemap creation solution anywhere. Great for smaller sites when you need a sitemap in minutes.


71. Inky Bee

A decent blogger outreach tool. Just enter a keyword and Inky Bee shows you bloggers in that industry. Inky Bee allows you to sort by Domain Authority/Page Authority. That way you focus on the big shots in your industry.

Inky Bee

72. Yoast WordPress SEO Plugin

If you could only choose one WordPress plugin for you site, the first would be from Yoast, and so would the second. This one sets the standard.

Yoast WordPress SEO Plugin

73. YouTube Analytics

Offers video-specific analytics for YouTube videos. A must-have for YouTube video publishers.

YouTube Analytics

74. Ahrefs

One of the more popular link research tools, Ahrefs offers a large index and nice anchor text distribution charts. Mostly a paid tool, but they offer some free data.


75. Banana Ta

Banana Tag allows you to track your emails after you send them. For example, check your email open rates from Gmail.

Banana Ta

76. CloudFlare

How do they make CloudFlare free? It works both as a CDN and a security service to provide your website with speed and safety.


77. Followerwonk

Perhaps the coolest thing about Followerwonk is the ability to track your followers. Smart SEOs also use it for outreach and research.


78. Keyword Eye

Keyword eye adds a twist to keyword research by adding rich visualizations essential when you want to move beyond keywords to valuable concepts.

Keyword Eye

79. KnowEm

KnowEm allows you to check 100’s of social profiles at once to check availability. Looking for the perfect brand name? Check KnowEm first.


80. Majestic SEO API

Majestic makes much of its backlink data available for free via its API.

Majestic SEO API

81. MozBar

The standard SEO toolbar for legions of marketers, the MozBar allows you to perform over 50 key tasks right from your browser. Highly recommended.


82. Mozscape API

Companies everywhere incorporate the Mozscape API into their own products, but it’s also available to individuals, and much of the data is free.

Mozscape API

83. nTopic

Topic is one of the few proven methods for giving your content a relevancy score and offering keyword suggestions to improve it.


84. Open Site Explorer

When Google and Yahoo started removing backlink data from the public, Moz built Open Site Explorer to fill a huge need. See backlinks, anchor text, popularity metrics and more.

Open Site Explorer

85. Piktochart

A cute and easy infographic generator. No experience required.


86. RowFeeder

RowFeeder allows you to track social usernames, hashtags and keywords and load that information into Excel for easy social media monitoring.


87. Screaming Frog

A powerful website crawling tool with a ton of features and customizations. A must-have for most serious SEOs.

Screaming Frog

88. Searchmetrics Visibility Charts

Track the search visibility of any website, in addition to tracking winners and losers in Google’s search results.

Searchmetrics Visibility Charts

89. SEMrush

The paid and organic keyword data offered by SEMrush is often scary good and comprehensive. Also great for researching competitors’ ads.


90. SERPmetrics

SERPmetrics flux charts track the flux for US search results across Yahoo, Bing and Google over a 30-day period. A paid API is also available.


91. SimilarWeb

Impressive competitive intelligence across a number of online industries. Competitor website stats are hard to come by, but Similar Web does a good job.


92. StatCounter

Free, quick, and lightweight analytics solution. Often used by those who want to avoid using Google Analytics for privacy reasons.


93. Trello

Project management and tracking made simple. Used and endorsed by Moz.


94. Whitespark Local Citation Finder

Finding local citations is key to local SEO. Whitespark offers a number of free and paid solutions to find the local citations to rise above the competition.

Whitespark Local Citation Finder

95. Whois Lookup

Find registration, contact, and administrative information for any domain.

Whois Lookup

96. Wistia

The king of online video, Wistia offers SEO-friendly solutions for video hosting. Both free and low-cost options available.


97. Moz Analytics

The flagship of the Moz software suite, Moz Analytics offers a dashboard of all your important marketing data in one place with actionable analytics for better marketing.

Moz Analytics

98. Optimizely

Easy A/B testing and analytics to help you move toward success in your CRO efforts.


99. Raven

Raven offers a classic suite of SEO, content, and research tools popular with many marketers.


100. Visual Website Optimizer

Visual Website Optimizer allows you to run A/B tests with a simple online editor that lets you test content without knowing code.

Visual Website Optimizer

101. Wordtracker

A powerful keyword research suite used by many top marketers, Wordtracker offers a generous free trial option.


102. LinkMiner

Check My Links on steroids. Like many tools, LinkMiner check for broken links on a page. But this free Chrome extension also shows you how many links the broken link has pointing to it. Uber helpful for broken link building.


103. Outreachr

A pretty nifty content promotion tool. Enter a few keywords and Outreachr will scour the web for websites that cover those topics. Comes packed with tons of sorting features (like Domain Authority and Citation Flow) so that you can focus on reaching out to ballers.


104. Pitchbox

Unlike many outreach platforms that are clunky and confusing, PitchBox is a breeze to use. Just enter a few keywords and the tool scans the web for people to promote to (and automatically grabs their contact info). Then reach out to them and track your results.


105. Quick URL Opener

If you do a lot of link building youll NEED to use a tool that opens a big ol list of URLs at once. And the Quick URL Opener is one of the best (if not THE best) free SEO tools out there.

Quick URL Opener

106. Siege Media Embed Code Generator

My favorite infographic embed code generator. I really like how you can specify the dimensions of the embed code box

Embed Code Generator

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