100% free online courses with a free certificate, from official providers: universities, governments and European institutions. We check every course before listing it.
Important: these certificates show that you completed the course and strengthen your CV, but most are not official diplomas. Always check the conditions on the official course page.
Computing & AI (2)
Elements of AI – Introduction to AI
Universidade de Helsínquia e MinnaLearn
An introduction to artificial intelligence for non-specialists, with no programming or complex maths. The certificate of completion is free, and the course is available in Portuguese, French, English and many other European languages.
- Duration: around 30 hours, self-paced
- Certificate: Certificate of completion (assessed)
- ✓ Free course and certificate
Inteligência Artificial Generativa
ARTE | Academia Portugal Digital (plataforma NAU)
Learn how to create text, images, audio and video with generative AI tools and how they are changing work. There are module tests and a final test, and the NAU certificate is free.
- Duration: 4 hours, self-paced
- Certificate: Certificate of completion (assessed)
- ✓ Free course and certificate
Languages & communication (2)
Beginners' French: food and drink
The Open University (OpenLearn)
First steps in French around food and drink: saying what you like, ordering in a café or restaurant and paying the bill. Taught in English, with a free statement of participation.
- Duration: 5 hours
- Certificate: Statement of participation
- ✓ Free course and certificate
Interviu ou interveio? Comunicação oral e escrita em português
Instituto Politécnico de Tomar (plataforma NAU)
A practical course for speaking and writing Portuguese more clearly and correctly at work, covering grammar rules and common mistakes. There are module assessments and a final test, and the certificate is free.
- Duration: 10 hours, self-paced
- Certificate: Certificate of completion (assessed)
- ✓ Free course and certificate
Health (2)
Doar Medula, Salvar Vidas
Instituto Português do Sangue e da Transplantação (plataforma NAU)
Find out how bone marrow donation works, who can donate and how a compatible donor is found. The certificate is issued automatically with 60% in the final assessment.
- Duration: 3 hours, self-paced
- Certificate: Certificate of completion (assessed)
- ✓ Free course and certificate
Agir pour sa santé !
Université de Liège (plataforma FUN-MOOC)
Understand what drives motivation and how to turn good intentions into healthy habits. The success badge is free; the €80 certified exam is optional. Enrolment for the current session is open until March 2027.
- Duration: around 24 hours (7 weeks, ~3.5 hours a week)
- Certificate: Statement of participation
- ✓ Free course and certificate
Business (3)
Consumer Law Ready – Training on Consumer Law for SMEs
Comissão Europeia (EU Academy)
European Commission training on EU consumer law for small businesses, covering withdrawal rights, guarantees, commercial practices and digital markets. It ends with an e-test that leads to a certificate.
- Duration: about one week
- Certificate: Certificate of completion (assessed)
- ✓ Free course and certificate
Business communication: writing a SWOT analysis
The Open University (OpenLearn)
Learn to write a SWOT analysis (strengths, weaknesses, opportunities and threats), useful for planning a business or project. Comes with a free statement of participation.
- Duration: 8 hours
- Certificate: Statement of participation
- ✓ Free course and certificate
Empreendedorismo Tecnológico
Porto Business School (plataforma NAU)
A Porto Business School course on starting a business, covering human-centred business models, business planning and digital marketing. To get the free certificate, complete the content and score at least 50% in the final quiz.
- Duration: 12 hours, self-paced
- Certificate: Certificate of completion (assessed)
- ✓ Free course and certificate
Digital marketing (1)
Influencer Marketing: Como Potenciar a sua Marca
Instituto Politécnico de Lisboa (plataforma NAU)
Learn to build influencer marketing strategies to promote a brand or a small business. The certificate of completion is free and requires over 70% in the final test.
- Duration: 15 hours, self-paced
- Certificate: Certificate of completion (assessed)
- ✓ Free course and certificate
Environment (3)
Impacts environnementaux du numérique
Inria (plataforma FUN-MOOC)
What is the environmental footprint of phones, computers and the internet, and what can we do about it? Score 50% across the activities for a free Open Badge; enrolment is open until 31 December 2026.
- Duration: 5 hours, self-paced
- Certificate: Statement of participation
- ✓ Free course and certificate
Net Zero 101: What, Why and How
UN CC:Learn (Nações Unidas)
A short United Nations course explaining climate change and net zero, with practical tips to cut your carbon footprint. It has three modules with quizzes, and the certificate is free.
- Duration: 1.5 hours, self-paced
- Certificate: Certificate of completion (assessed)
- ✓ Free course and certificate
Energia Sustentável
DECO – Associação Portuguesa para a Defesa do Consumidor (plataforma NAU)
Learn about renewable energy and what you can do for the energy transition, including at home. The digital certificate of completion is free of charge and requires 60% in the final quiz.
- Duration: 5 hours, self-paced
- Certificate: Certificate of completion (assessed)
- ✓ Free course and certificate
Citizenship & rights (3)
Ageism and age discrimination
The Open University (OpenLearn)
A short course on ageism, covering the stereotypes, prejudice and discrimination older people face and how to challenge them. Comes with a free statement of participation.
- Duration: 2 hours
- Certificate: Statement of participation
- ✓ Free course and certificate
A União Europeia: Construção e Funcionamento
INA – Instituto Nacional de Administração (plataforma NAU)
How the European Union works, the values it upholds and the rights and opportunities it gives citizens, including EU careers. It ends with an 8-question quiz, and the certificate is free.
- Duration: 3 hours, self-paced
- Certificate: Certificate of completion (assessed)
- ✓ Free course and certificate
L'atelier RGPD
CNIL – Commission nationale de l'informatique et des libertés
A free MOOC from France's data protection authority on the GDPR, aimed mainly at people working in companies or local government. It has 6 modules, each ending with a quiz that leads to a free attestation.
- Duration: around 20 hours, self-paced
- Certificate: Certificate of completion (assessed)
- ✓ Free course and certificate
Education & family (1)
Supporting children's development
The Open University (OpenLearn)
How children develop and how adults, whether parents or professionals, can support that development. From the UK's Open University, with a free statement of participation.
- Duration: 15 hours
- Certificate: Statement of participation
- ✓ Free course and certificate
Online safety (2)
Introduction to Cybersecurity
Cisco Networking Academy
An introductory cybersecurity course on protecting your digital life and understanding the threats organisations face. It is free, ends with a final exam and a digital badge, and is offered in Portuguese, French and English, among other languages.
- Duration: 6 hours, self-paced
- Certificate: Certificate of completion (assessed)
- ✓ Free course and certificate
Cidadão Ciberseguro
Centro Nacional de Cibersegurança (plataforma NAU)
A course from Portugal's National Cybersecurity Centre on staying safe online at home, at work and on the move. You get the free certificate by scoring at least 75% in the quizzes.
- Duration: 3 hours, self-paced
- Certificate: Certificate of completion (assessed)
- ✓ Free course and certificate
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