Certifications are a quick way to gain skills that will boost your resume and raise your value as a job candidate. While not all certification programs are free, there are several reputable certifications that won’t take up too much time or money. Here are five carefully-vetted free online certifications we recommend.

#1: Hubspot Inbound Marketing Certification Course

The Hubspot Inbound Marketing Certification Course teaches you the basics of SEO, blogging, conversion analysis, and reporting, among other concepts. A course in inbound marketing can make you appealing to startups and entrepreneurs interested in hiring someone who can help them grow their businesses.

Bonus: Marketers looking for more cheap certifications can also check out Google Digital Garage for digital certification in search engines and social media, as well as Google’s Academy for Ads to get Adword certified.

#2: LinkedIn Learning Certifications

LinkedIn Learning has partnered with organizations to provide thousands of certifications and courses online. While not all of the courses are free, many of them are (like this one by Danny Sullivan on SEO).

From marketing to product and manufacturing to web design, whatever it is you want to become skilled in, LinkedIn Learning has you covered.

Note: There’s no way to filter-free courses in LinkedIn Learning, but if you take the time to search for them, it’ll be well worth it.

#3: Project Management Professional (PMP) Course

Cybrary provides tons of free and paid courses on different topics. The Project Management Professional (PMP) course teaches you how to initiate, plan and manage any project and takes just over five hours to complete.

Project Management is a great skill for anyone to have as it shows hiring managers that you can take charge and solve problems, but it’s especially useful for engineers, healthcare professionals, financial professionals and more.

#4: Free Code Camp Certifications

Free Code Camp can teach you the basics of HTML5, CSS3, JavaScript, GitHub and more. Today, coding is a hugely in-demand technical skill, and this type of skill set makes almost any employee more valuable to a company–really, we’ve seen it first-hand!

Earn quick certifications that can be added to your resume, and when you’re ready, gain some free experience by working on open source projects used by nonprofits. This course is geared toward beginners, walking you through each “challenge” in a step-by-step manner.

#5: Massive Open Online Courses (MOOCs)

If you want to find free job training, a MOOC from a well-respected university might fit your bill. The open online course system offers a range of subjects, from marketing to writing to history. There are many free courses, like Crisis Management: Proseminar in Public Relations, but if your goal is to earn a credential, some courses do require a nominal fee.

Now more than ever, skills that relate to your industry are a necessary component in your resume. Certifications help back up your skills for a true ATS-friendly resume.

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