What is a package.json file? All Questions › Category: Java Script › What is a package.json file? 0 Vote Up Vote Down chetan shidling asked 4 years ago I need short information. 1 Answers 0 Vote Up Vote Down chetan shidling answered 4 years ago It serves as documentation for what packages your project depends on. It allows you to specify the versions of a package that your project can use using semantic versioning rules. Makes your build reproducible, which means that its way is easier to share with other developers.