The Top Link Building Tools in 2021

By Erin |  Mar 18, 2022 (5 min read)

SEO | SEO News | Trends

No matter how great your website is, if people can’t find it, then it’s not going to be effective. One of the best ways to improve your online rankings in search engines is to get more websites linking back to you.

The good news is that you don’t just have to wait for sites to discover you and give that coveted link juice. You can be proactive in your approach and use a link building tool.

Link building tools can help promote your website more effectively and increase your ranking in the search engine results pages (SERPs). And some of these tools are available for free.

Link building describes the process of encouraging other websites to link to your content. Link building tools can connect you with new audiences, increase your domain authority, and is also one of the most important signals that search engines use to rank your content in the SERPs.


In this article, we’ll cover the top 10 free link building tools that business owners can use to get more external links to their website on social media platforms and other websites.

The Top 10 Link Building Tools in 2021

1) Buzzstream

Link building starts with reaching out to key influencers and publishers in your niche to make them aware of your content. By discovering influencers with audiences that might be interested in your blog post, infographic, or your website and invite them to link back to your page.

BuzzStream is a outreach tool that makes it easy for you to discover influencers in your niche. You can conduct outreach to influencers and other publishers that may want to feature your content and manage your relationships as you expand your brand’s reach.

BuzzStream has a basic package starts at just $24 monthly for a single user, and there’s a 14-day free trial available so you can try before you purchase. It’s easily one of the best tools for blogger outreach and link prospecting, and a great way to boost your content marketing efforts.

2) Check My Links Extension

Check My Links is a free link-building tool offered as a Google Extension. Check My Links helps you develop a link building strategy by identifying broken links.

First, the tool will ask you to identify a website where you would like to solicit a backlink. Check My Links will comb through their pages and discover any broken links on their website.

From there, you can send an email notifying the webmaster of the broken link and suggest replacing that link with an inbound link to your website instead. This simple type of link building campaign may work because you’re helping webmasters to improve their site functionality.

Websites disappear all the time, which means there are millions of broken links all over the Internet that could be directed to your website instead. And the Check My Links tool is available online for free as a Google Chrome extension.

3) Google Disavow Tool

Not all backlinks are suitable for your SEO rankings. If you receive backlinks from a spammy website, it can negatively impact SEO performance for your website. The simplest solution here is to disavow unwanted backlinks. This means you are asking Google to disregard them when evaluating your page, and counteracts broken link building.

The Google Disavow Tool makes it easy to put together a list of unwanted backlinks to your site, which you can then submit to Google Search Console in a disavow file to ensure you avoid being penalized. Best of all, the tool is available online for free. If you are looking for a way to do backlink analysis, then this can be a great step to ensure each link opportunity is working for you.

4) Google Alerts

Why not use the power of Google search to your advantage? Google Alerts is an entirely free content monitoring service that all business owners should know about.

You can configure the Google Alert tool to discover new mentions of any specific keywords on the internet. This makes it easier to identify new content ideas or brand mentions that you could potentially target for backlinking opportunities.

Google Alerts is a completely free tool to monitor backlink increases to your site. By simply configuring a Google Alerts feed around your targeted keywords, you can track new mentions across the Internet.

5) Hunter.io

Conducting outreach for link building is probably the most challenging aspect. To conduct outreach at scale and generate large volumes of link building opportunities, you must find contact information from the websites you are targeting for backlinks.

This is precisely the need that Hunter.io software fills. The software tool makes it easy to track down contact information for websites and professionals and perform email verification. All email addresses come from public sources on the web, and Hunter.io aggregates them in a convenient format that can feed directly into prospecting campaign tools.

Hunter.io offers 50 monthly searches for free before upgrading to the $49/monthly starter package that supports 1000 searches, domain search exports, Gmail connections, and priority support.


Linkody offers one of the best free link building tools that let you check backlinks to your domain, analyze your profile of backlinks, compare your link profile with the competition, and formulate your link-building strategy.

The free backlink checker tool lists backlinks in order of domain authority for the linking domain, making it easier than ever to identify the best-quality links that are driving success for your competitors. Building links is a lot easier when you have done link research based on your competitors. 

Linkody allows you to check the top 100 backlinks for any website using their free online tool that allows unlimited searches. They offer a 30-day trial, and the basic paid package is just $15/month.

7) Monitor Backlinks Free Backlink Checker

Monitor Backlinks is an SEO tool that helps keep track of backlinks for your domain, any other domain on the web.

With this free link-building tool, you can type in any domain name and access a list of hundreds of follow and nofollow links to that domain. The results can be organized by URL, status, and a range of other metrics. You can also customize automated emails to receive updates on new backlinks that your competitors are getting.

Monitor backlinks offer an incredibly useful backlink checking tool for free. For additional features, subscription packages start at just $25/month for a single domain.

8) Raven SEO Tools

Raven SEO is an all-in-one SEO tool that also offers a free link-building tool.

The tool generates a profile of existing backlinks on your website, including the number of quality backlinks, how many pages on your domain are receiving links, anchor text usage, external link and internal link quality, and other factors.

You can also look at backlink profiles for your competitors to discover how they’re generating traction. And you can analyze your competitor’s backlink profile to create a list of websites where you might be able to secure backlinks of your own.

Raven SEO is one of the most affordable all-in-one SEO tools. Pricing starts at just $7 monthly, and there’s also a free 7-day trial available for all users.

9) URL Profiler

URL Profiler offers a range of features and services that support link building activities. They offer free tools such as a SERP scraper and Twitter scraper to generate lists of domains (or users) around a common theme.

This data can be imported from other SEO tools to analyze link metrics and social shares or audit your pages.

The paid version of URL Profiler starts at just $19.95 monthly. However, there’s a free 14-day trial available to test out the platform before purchasing. The SERP scraper and Twitter scraper tools are available for free through the URL Profiler website.

10) Whitespark

Whitespark offers a range of SEO tools and features that support businesses focused on local SEO. Whitespark provides a ‘local citation finder,’ which is a backlink checker for local search. The tool helps companies find local directories to request backlinks to increase their SERP rankings and appear in local search results.

The free version of Whitespark gets just three searches/day using the citation finder. The small business package starts at $17/month (billed annually). It includes tools for citation comparison, competitive analysis, monitoring, progress tracking, and the ability to export results to spreadsheets for reporting and further analysis.

Make Link Building Work for You

Any SEO strategy must include a backlink strategy if you want to stay competitive. Your backlink profile is one of the most important ranking signals used by search engines in 2021. Using a free link building tool can help identify the best backlink-building opportunities to help your website reach the top of the search results. 

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