Which free and low-cost certificates employers actually screen for, what the research says about skills-based hiring, and a three-question test before you spend anything.
The short answer is that a small number of free and cheap credentials genuinely change what a hiring manager will do with your application, and most of the rest are completion badges that cost the issuer nothing and buy you nothing. The difference is not about price or prestige. It is about whether an employer already screens for the exact string of characters on the certificate.
Much of what is published about free certificates is affiliate marketing. Articles that rank well for phrases like “free certifications that get you hired” are frequently paid per sign-up by the platform they recommend, which is why they tend to be enthusiastic and vague at the same time. The sections below separate what is documented from what is asserted, and say where the evidence is thin.
The vocabulary matters more than it should
The Bureau of Labor Statistics draws a distinction worth borrowing. In its Current Population Survey documentation, the Bureau defines a certification as a credential issued by a non-governmental body, and a license as a credential awarded by a government agency that conveys legal authority to work in an occupation. Neither category includes the third thing being sold to you, which is a certificate of completion: a document confirming you watched some videos.
Completion certificates share a family resemblance. They are unproctored, they never expire, they can be retaken without limit, and the issuer has no mechanism for an employer to verify what you actually demonstrated. Credentials that carry weight tend to have the opposite properties: a proctored examination, a pass mark, an expiry date, and a public registry an employer can check.
The evidence on employer recognition is thinner than the marketing
This is where most articles on the subject simply assert that employers value certificates. The best available evidence points the other way.
In February 2024 the Burning Glass Institute and Harvard Business School published a study titled “Skills-Based Hiring: The Long Road from Pronouncements to Practice”. The researchers examined roughly 11,300 roles at large firms that had publicly removed degree requirements, comparing hiring at least a year before and after the change. The net effect on hiring of candidates without a bachelor’s degree was 0.14 percentage points, which the authors translate as fewer than one in 700 hires, or roughly 97,000 workers out of about 77 million hires in 2023. The study also sorted the firms into groups: about 37 percent genuinely increased hiring of non-degree candidates, about 45 percent made announcements with no measurable change in behavior, and about 18 percent ended up hiring fewer non-degree candidates than before.
That study is about degree requirements rather than certificates specifically, and it should not be stretched further than it goes. But it is the closest thing to hard data on whether employers act on their stated openness to alternative credentials, and the answer is mostly no. Anyone telling you that a three-month online certificate substitutes for a degree at a large employer is making a claim that the best available research does not support.
The certificate providers themselves publish outcome statistics, and it is worth reading them closely. Google states on its Grow with Google certificates page that more than 70 percent of certificate graduates report a positive career outcome, defined as a new job, promotion or raise, within six months of completing. That figure comes from surveys of program graduates in the United States. It is self-reported, it has no control group, and people who respond to a survey from the organization that trained them are not a random sample of everyone who enrolled. It does not tell you what share of enrollees finished, and it does not tell you what would have happened to the same people without the certificate.
Google further states that its certificates are recognized by more than 150 employers through its Employer Consortium. Membership of a consortium is a commitment to consider the credential, not to hire, and there is no published data on how many people have been hired through it. That is not evidence of fraud. It is evidence that the claim is softer than it sounds.
What the earnings data does and does not show
The Bureau of Labor Statistics publishes median weekly earnings by certification and licensing status from the Current Population Survey. For 2025 annual averages, which the Bureau notes are eleven-month averages because of the federal government shutdown in October, the figures were 1,460 dollars per week for full-time workers holding a certification or license against 1,131 dollars for those holding neither. Workers with a certification and no license had the highest figure at 1,566 dollars.
That gap is real and it is large. It is also not proof that buying a certificate raises your pay. A very large share of the credentialed group is made up of licensed occupations that require years of training and are legally closed to the unlicensed: nurses, electricians, teachers, accountants, commercial drivers. The credential is bundled with the training, the experience and the occupation. Reading that table as “certificates pay 27 percent more” inverts the causation, and any article that quotes the number without this caveat is not being straight with you.
Credentials that carry weight, and what they cost
| Credential type | Typical cost | Proctored exam | Expires | Why employers act on it |
|---|---|---|---|---|
| State occupational license, such as nursing or a commercial driver’s license | Varies widely by state | Yes | Yes, with renewal requirements | It is illegal to do the work without it, so it is a hard filter rather than a preference |
| Cloud platform certifications from Amazon Web Services | 100 dollars foundational, 150 associate, 300 professional and specialty | Yes | Yes, every three years | Named directly in job postings and used by partner firms to meet vendor requirements |
| Microsoft fundamentals certifications, such as Azure Fundamentals | 99 dollars in the United States for the AZ-900 exam | Yes | Varies by certification | Common screening keyword for entry-level cloud and administration roles |
| Vendor-neutral security and networking certifications | Several hundred dollars per exam | Yes | Yes, with continuing education | The Department of Defense publishes qualification matrices under DoD Manual 8140.03, dated 2023, naming specific commercial certifications for individual cyber work roles, so federal and contractor hiring treats them as mandatory |
| Online career certificates, such as the Google Career Certificates | 49 dollars per month in the United States and Canada after a seven-day trial, over a stated three to six months | No | No | Signals effort and gives you vocabulary for interviews. Employer recognition is asserted by the issuer rather than demonstrated independently |
| Platform completion badges from marketing and software vendors | Free | No | Some renew annually | Occasionally a requirement for agency partner status. Rarely a factor in individual hiring |
Free credentials that are genuinely free and genuinely useful
A few things cost nothing and are still worth the hours, mostly because they are the standard credential in a narrow niche rather than because they are impressive in general.
- Google Ads certifications through Skillshop. Google offers Search, Display, Measurement, Video and Shopping certifications at no charge. They matter in one specific context: agencies need certified staff to hold Google Partner status. Outside agency work they are a line on a CV, not a qualification.
- HubSpot Academy. Free to enroll, and a recognized shorthand in the specific world of firms that run HubSpot. The same caveat applies.
- Harvard CS50x. The course page states that a free certificate is issued to anyone scoring at least 70 percent on every problem set and lab plus the final project. The free version is unusual because the work required is substantial and public, which is exactly what makes a completion certificate meaningful.
- Microsoft Learn. The training modules are free. The certification exams are not, which is the pattern across almost every vendor: learning is the loss leader, the credential is the product.
A three-question test before you spend anything
Apply this to any certificate, free or paid, before you start.
- Search the exact name of the credential in job postings for the role you want, in the city you want, and count the hits. Not the field, not the skill: the credential name in quotation marks. If fewer than five current postings name it, employers in your market are not screening for it and the certificate will not move you through a filter.
- Ask who verifies it. If an employer cannot look you up in a registry or validate an identifier, the credential cannot function as evidence. Anything that arrives as a downloadable PDF with no verification path is a receipt for your time.
- Ask what it unlocks that you cannot otherwise get. A license unlocks legal permission. A vendor certification unlocks a contract requirement or a partner tier. A career certificate mostly unlocks vocabulary and structure, which has genuine value if you are switching fields and none at all if you already work in the field.
If a credential fails all three questions, it is still not worthless. It is just worth what it costs, which for the free ones is a few evenings and for the paid ones is roughly 150 to 300 dollars over a three to six month subscription. Decide accordingly, and do not let a sunk subscription push you into finishing something the market does not ask for.
Where these figures come from
- Burning Glass Institute and Harvard Business School, “Skills-Based Hiring: The Long Road from Pronouncements to Practice”, 2024
- United States Bureau of Labor Statistics, Current Population Survey, median weekly earnings by certification and licensing status, 2025 annual averages
- Grow with Google certificates page
- Amazon Web Services Certification frequently asked questions
- Microsoft Learn certification exam information
- Google Skillshop
- Harvard University CS50x certificate page
- United States Department of Defense Manual 8140.03, Cyberspace Workforce Qualification and Management Program
One honest closing point. The strongest thing on an entry-level application is usually not a certificate at all. It is evidence of work: a portfolio, a repository, a volunteer project with a named reference, a temporary contract someone will vouch for. Certificates are cheap to acquire, which is precisely why they signal less than the people selling them suggest. If you have a limited number of evenings, spending them producing something a stranger can inspect is more likely to matter than spending them collecting another badge.
General information, current as of September 2026.
Frequently asked questions
Are certificates a substitute for a degree?
For some skills based roles, stacked certificates plus a portfolio now clear screening, especially where employers dropped degree requirements. For licensed professions and many corporate ladders, degrees still rule.
How do I list certificates without looking padded?
A short certifications section with the credential, issuer, and year, plus the skill woven into experience bullets. Three relevant certificates beat eleven random ones.


