https://agent.growthtools.com/

A data-driven content marketing & social media management tool to help marketers and businesses streamline their workflow and get better results.

https://contentstudio.io

Growth Tools is that tool set. Each month'ish we create and launch a brand new free tool. If you'd like to grow your business faster. Try out Growth Tool

https://growthtools.com/

Replug is a link branding, optimization and tracking tool to help you manage links in a better way and get the most return out of them.

Google Keyword Planner

https://ads.google.com/home/tools/keyword-planner/

Google Page Speed Insights

https://developers.google.com/speed/pagespeed/insights/

Google Search Console

Search Console tools and reports help you measure your site's Search traffic and performance, fix issues, and make your site shine in Google Search results.

https://www.google.com/webmasters/tools/home?hl=en

Google Structured Data Checker

https://www.google.com/webmasters/markup-helper

HARO provides journalists with a robust database of sources for upcoming stories and daily opportunities for sources to secure valuable media coverage.

https://www.helpareporter.com/

KWFinder is a keyword research and analysis tool bringing hundreds of long tail keywords with low SEO difficulty. Try KWFinder for free!

https://kwfinder.com/

https://moz.com/products/pro/seo-toolbar

The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites, links, images, CSS, script and apps from an SEO perspective.

https://www.screamingfrog.co.uk/seo-spider/

SEOquake is a free plugin that provides you with key SEO metrics, along with other useful tools such as SEO Audit and many others

https://chrome.google.com/webstore/detail/seoquake/akdgnmcogleenhbclghghlkkdndkjdjc?hl=en

https://chrome.google.com/webstore/detail/seo-website-analysis/hlngmmdolgbdnnimbmblfhhndibdipaf?hl=en

https://wordpress.org/plugins/wordpress-seo/

AdWords & SEO Keyword Permutation Generator

http://seo.danzambonini.com/

Find out what questions and queries your consumers have by getting a free report of what they're searching for in Google

https://answerthepublic.com/

Automated Content Audit

The next big wave in marketing is NOT going to be content creation, but content deletion. We have a FREE template that will automates this for you.

https://webris.org/content-audit/

Discover broken links, uncover missing page titles, duplicate content and identify other problems with our SEO crawler software.

http://beamusup.com/

Bing Webmasters Tools

Sign in or signup for Bing Webmaster Tools and improve your site's performance in search. Get access to free reports, tools and resources.

https://www.bing.com/toolbox/webmaster

View any web page like search engines see it. Browseo helps you to identify issues with your site and with competitors' sites. Browseo is 100% free.

http://www.browseo.net/

Bulk Google Rank Checker

Use the Google Rank Checker to see how well your web site is performing in search. Submit up to 10 keywords, add your domain and select your version of Google to get accurate real-time results.

https://www.seoreviewtools.com/rank-checker/

BuzzStream – Data Extractor

http://tools.buzzstream.com/meta-tag-extractor

Forget data, this new SEO software finds keywords you can rank for, links you can get, & on-page optimizations guaranteed to increase rankings.

https://www.canirank.com/

https://chrome.google.com/webstore/detail/check-my-links/ojkcdipcgfaekbeaelaapakgnjflfglf

Copyscape is a free plagiarism checker. The software lets you detect duplicate content and check if your articles are original.

https://www.copyscape.com/

All-in-one service for website speed test, web performance monitoring and website analysis (speed, SEO, quality, security). Web performance has never been so easy.

https://www.dareboost.com/en

Get the SEO secrets our industry-leading clients pay us to find. SEOs at companies like Amazon, IBM and Cisco get our findings before we share them in public.

https://detailed.com/

Want to speed-up your link building process? Get Dibz, an advanced link building software that automates your link prospecting process. Get links today!

disavow.it allows you to quickly and simply compile/clean a Google Disavow file, ready to upload to Search Console.

Domain Hunter Plus

Chrome's Best Broken Link Checker.Whether you're hunting for quality domains to purchase or doing some broken link building, Domain Hunter Plus just made your life a whole lot easier.

https://netvantagemarketing.com/about/domain-hunter-plus

http://dropmylink.com/

Extract URLs from Google’s Web SERPs

Use this nifty little JavaScript bookmarklet you can extract a list of all search results from a Google's Web search with minimal time & effort.

https://www.chrisains.com/seo-tools/extract-urls-from-web-serps/

https://www.webfx.com/seo-tools/faqfox/

Free Broken Link Checker

http://www.brokenlinkcheck.com/

https://www.serprobot.com/

Geo Sitemap Generator

Create your geo sitemap and KML files and upload them to Google for FREE! Using the geositemap generator saves you tons of work and money!

https://www.geositemapgenerator.com/

Google – Rich Snippet Tester

http://www.google.com/webmasters/tools/richsnippets

https://www.google.co.uk/alerts

Google Algorithm Updates

View the complete Google Algorithm Change History as compiled by the staff of Moz. Includes important updates like Google Panda, Penguin, and more.

http://www.seomoz.org/google-algorithm-change

https://www.google.com/trends/correlate

Google Location Changer (SERPs)

https://serps.com/tools/google-search-location/

Google Mobile-Friendly Test

Test how easily a visitor can use your page on a mobile device. Just enter a page URL to see how your page scores.

https://search.google.com/test/mobile-friendly

Google Review Link Generator

This free tool generates a link that will send customers directly to leave you a review on your Google listing. It's just what you're looking for.

https://whitespark.ca/google-review-link-generator/

A bulk URL checker tool that can quickly check status code, redirect details, response time, response headers and HTTP header fields (X-Robots-Tag, Link, Vary). Analyze, filter and sort results in real-time. Export data to CSV.

https://headmasterseo.com/download

HTTP Response Checker

https://httpstatus.io/

Imforsmb.com’s Bulk Keyword Generator

https://www.imforsmb.com/tools/bulk-keyword-generator/

Custom Google Search tool that lets you change the Google Search language, country & city location, device, and personalization settings to preview ads

http://isearchfrom.com/

JSON Schema Generator

This generator can be used to create markup that can be injected into the head or footer of your site to improve visibility to the search engines. It uses Schema.org markup and can be tested at Google's Structured Data Testing Tool.

https://www.jamesdflynn.com/json-ld-schema-generator/

keep-alive Validation SEO Tool

Is keep alive enabled on your web server? Use our SEO tool to check the Persistent Connection status of your website. Check multiple URLs with Bulk mode.

https://supple.com.au/tools/check-persistent-connection/

Find related keywords for any topic. Write better content for your niche market. Get better rankings on Google. With just one click.

http://www.keys4up.com/

https://www.keyworddit.com/

http://keywordin.com/keyword-generator.php

Keywords Everywhere

A free browser addon for Chrome & Firefox that shows search volume, CPC & competition on websites used by Internet Marketers - Google Search, Google Trends, Google Search Console, Google Analytics, Google Keyword Planner, YouTube, Bing, Amazon, eBay, Etsy, Ubersuggest, Answer The Public, Soovle, Majestic, Moz & more.

https://keywordseverywhere.com/

https://keywordshitter.com/

https://www.linkio.com/

Checks webpages for broken links, and pulls metrics on those links.
LinkMiner takes broken link checking to the next level. You can now find out more about the links you're checking so you can make smarter decisions, quicker.

https://chrome.google.com/webstore/detail/linkminer/ogdhdnpiclkaeicicamopfohidjokoom?hl=en

You could painstakingly examine each link in each post... and decide to ???take action on the links... one at a time. Or, you can use LinkPatrol.

https://linkpatrolwp.com/

https://www.lipperhey.com/en/

Local Citation Finder

Quickly find new places to list your business. Find niche and local opportunities by searching a keyphrase. Spy on your competitors, see what citations they have and get them too.

https://whitespark.ca/local-citation-finder/

LSI Keyword Generator: Generate semantic, long-tail, and LSI keywords for free. Use our keyword tool for SEO & PPC keyword research, on-page optimization, and rank higher on search engines.

https://lsigraph.com/

Map Broker XML Sitemap Validator

https://ipullrank.com/tools/map-broker/

http://mass-ping.com/

Tired of creating repetitive combinations of keywords? Use the Merge Words tool and combine sets of words automatically. For PPC, domain registrations, etc

http://mergewords.com/

Microdata Generator

Need MicroData or JSON-LD markup data for your Local Business website? Here is one of the easiest and most linked to version by many SEO websites.

https://microdatagenerator.org/localbusiness-microdata-generator/

Outline nofollow links, detect nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles.

https://chrome.google.com/webstore/detail/nofollow/dfogidghaigoomjdeacndafapdijmiid?hl=en

On-Page Optimization Tool

This web page optimization tool analyzes existing on page SEO and will let you see your website’s data as a spider sees it allowing for better web page optimization.

https://www.internetmarketingninjas.com/seo-tools/free-optimization/

http://openlinkprofiler.org/

Shows web rank and SEO stats of current web page, quick access to Geo IP Location, Whois, Alexa, backlinks, indexed pages and more.

https://chrome.google.com/webstore/detail/open-seo-statsformerly-pa/hbdkkfheckcdppiaiabobmennhijkknn

A free SEO tool to help you investigate whether you’ve been impacted by Google’s algorithm updates. Technology brought to you by digital marketing agency Barracuda Digital.

https://barracuda.digital/panguin-seo-tool/

http://pingomatic.com/

Portent’s Google SERP Preview Tool

Use our SERP preview tool to optimize your page's appearance in Google search results. Improve your clickthru rate! Created by Portent

https://www.portent.com/serp-preview-tool

https://publicwww.com/

The HTTP Header & Redirect Checker for SEO. Redirect Path flags up 301, 302, 404 and 500 HTTP Status Codes as well as client side redirects like Meta and Javascript redirects, bringing potential issues that may not otherwise be seen to your attention immediately.

https://chrome.google.com/webstore/detail/redirect-path/aomidfkchockcldhbkggjokdkkebmdll?hl=en

Resolve link redirects with this redirect detective tool. Trace any link with 301, 302 redirects. Test where goes a URL with this free online tool. Get instant results now!

https://www.websiteplanet.com/webtools/redirected/

Responsive Design Checker

Test how responsive your website design is with this free tool. Check if your website fits and adapts to mobile, tablet, and desktop screen sizes.

http://responsivedesignchecker.com/

We built rmoov to make it easier to handle link removal requests at scale. If cleaning up bad backlinks seems too hard, rmoov can help. Try it now for free

https://www.rmoov.com/index.php

Robots.txt Generator

Generate a robots.txt file for free with this easy-to-use tool. Make sure search engine crawlers are crawling and indexing your site.

https://en.ryte.com/free-tools/robots-txt-generator/

If you care about validation, this robots.txt validator is a tester that will check your robots.txt file searching for syntax errors

http://tool.motoricerca.info/robots-checker.phtml

Make better use of your Google Search Console data by getting content ideas, pages to improve, run SEO tests, track keyword rankings and more with SanityCheck.io

https://www.sanitycheck.io/

Search Analytics for Sheets

https://chrome.google.com/webstore/detail/search-analytics-for-shee/ieciiohbljgdndgfhgmdjhjgganlbncj

Build Google searches in any combination of Google supported top level domain, country and language. A tool for international SEOs.

http://www.searchlatte.com/

https://www.seedkeywords.com/

SEO Hero is a free topic explorer. Find concepts related to your topics or Keywords and drive a strong content strategy for your website

http://www.seo-hero.tech/

SEO Tools – Cloak Checker

Quickly view SEO metrics (Domain Authority, Page Authority, Number of Linking Root Domains) for websites directly in search results or via page overlays. Create custom geo-search results by region or city without needing to VPN. Easily export your data into a CSV.

http://www.seotools.com/seo-cloaking-checker/

SEO Web Page Analyzer

A free SEO tool for content optimisation of your web pages. Easy to use and will help you improve your web page content for good SEO.

http://www.seowebpageanalyzer.com/

Check your Website with our free SEO tools from Seobility. Get insights to improve your search engine optimization.

https://www.seobility.net/en/

SEOBook – Rank Tracker

http://tools.seobook.com/firefox/rank-checker/

SERPmetrics flux reports show search engine volatility over the last day & month. High flux means a high level of change in the SERPs.

http://serpmetrics.com/flux/

SERP Snippet Optimizer

This tool replicates the appearance of a snippet in Google SERPs, which allows SEOs to optimize a page title and description for maximum click-through rate.

http://www.seomofo.com/snippet-optimizer.html

http://www.siteliner.com/

Plagiarism checker - Best for students, teachers, writers & webmasters to check plagiarism percentage report of articles, essays, thesis & webpages.

https://smallseotools.com/plagiarism-checker/

Accurate SERP checker for Google & Bing, both for desktop and mobile keyword positions. International and local keyword rankings from over 100 countries and regional settings.

https://spyserp.com/

Suggestion Keyword Finder

Discover valuable keyword opportunities by conducting deep research with our Related Keywords Tool. Export a spreadsheet of the related keywords and create targeted content to give your site the attention it deserves.

http://tools.seochat.com/tools/related-keywords-tool/

Google Alerts, but better. Monitoring the web and Twitter for interesting new content with Talkwalker Alerts. Set up an alert for free and receive mentions as they happen, once a day or once a week.

https://www.talkwalker.com/alerts

Best Free SEO Software for all your SEO & PPC Management needs. Use Traffic Travis for both on and off page analysis as well as spying on your competitors.

https://www.traffictravis.com/

Helps you generate keyword ideas for your content marketing strategy and production. With Ubersuggest's free keyword tool, generate an unlimited number of suggestions for free and take your content creation to the next level while increasing your website's chances of ranking against the competition.

https://neilpatel.com/ubersuggest/

http://urlprofiler.com/

http://www.urlitor.com/web-scraping