A lack of professional experience does not mean a beginner cannot create a convincing freelance portfolio. Clients need evidence that you can complete the type of work they require, so sample projects can be a useful starting point.
Choose one service and create three to five realistic samples. A writer could prepare a sample article, product description, and email sequence. A designer could create social media posts or a small brand concept. A video editor could produce short sample edits using properly licensed material.
Each sample should have a short explanation. Describe the problem, the approach you used, and the result you were aiming for. This makes the portfolio more useful than simply displaying a collection of files.
Keep the portfolio simple and easy to navigate. A clear introduction, selected samples, services, and contact method are normally enough for a beginner. Avoid filling the page with exaggerated claims.
As you gain real clients, replace weaker practice samples with genuine work when you have permission to display it. Testimonials and case studies can gradually become more important than practice projects.
A portfolio is not something that has to be perfect before you start applying. Improve it as you learn. The goal is to make it easy for a potential client to understand your skill and decide whether your service fits their needs.