Choose your indent style and size, charset, line ending, and whether to trim trailing whitespace, and the tool outputs a ready .editorconfig for consistent formatting across editors.
Most modern editors (VS Code, JetBrains IDEs, Sublime) read .editorconfig natively or with a common extension, applying the rules per file type.
Yes, as a starting point — adjust the values to match your actual project structure and tooling versions.
It follows the tool's documented format, but always run your build once after adding it to confirm your specific setup is happy.