Choose projects that demonstrate a decision
A portfolio is most useful when it helps someone understand how you think. Choose work that allows you to explain a problem, the constraints you faced, the decisions you made and the result. The project does not need to be large, but it should give you something specific to discuss.
A personal project can be valuable without pretending to be client work. Describe the brief honestly. If you used sample data, a tutorial or a template, make that clear and explain what you changed yourself.
Explain your contribution
For each project, write a short account of the starting point, your role and the choices you made. Include a screenshot, document or working example where it helps. If you collaborated with others, identify your contribution rather than taking credit for the entire result.
Avoid adding numbers just to make the work sound impressive. Use measured outcomes when you have them. Otherwise describe what the finished work does, how you checked it and what you would improve next.
Make the next conversation easier
Review the portfolio from a reader’s perspective. Can they understand the project without knowing the tools you used? Can they find the result quickly? Does every link work?
Keep the presentation consistent and the selection focused. Your goal is to make a useful conversation possible, with enough evidence for someone to ask an informed question.