What Is Visual Studio Code? A Guide for New Developers

1What Is Visual Studio Code?

Visual Studio Code, usually shortened to VS Code, is a free, open-source code editor built by Microsoft. Despite the similar name, it's a distinct, much lighter tool than the older Visual Studio IDE, built around a fast core editor that gains language-specific power through extensions rather than shipping everything by default.

It runs on Windows, macOS, and Linux with the same interface and extension ecosystem on each, which is a big part of why it has become a default choice across many different programming languages and workflows.

2Why It's So Widely Used

VS Code's popularity comes from combining a genuinely fast, lightweight core editor with an enormous extension marketplace, so it can be as minimal or as fully featured as a given project needs.

A developer working in Python, JavaScript, or Go can install the matching language extension and get syntax highlighting, autocompletion, and debugging support specific to that language, all inside the same familiar editor.

3Core Features

A handful of built-in features account for most of what makes VS Code feel productive out of the box, before installing a single extension.

• IntelliSense: smart autocompletion, parameter hints, and inline documentation based on your code's actual structure
• Integrated terminal: a full command-line terminal inside the editor window
• Built-in Git support: view diffs, stage changes, and commit without leaving the editor
• Integrated debugger: set breakpoints and step through code for supported languages
• Command palette: a searchable list of every editor command, accessible from the keyboard

4Extensions That Matter

Extensions are what let VS Code adapt to almost any language or workflow. A few categories cover most of what new developers install first.

• Language extensions: add syntax highlighting, linting, and autocompletion for a specific language
• Formatters like Prettier: automatically enforce consistent code style on save
• Linters like ESLint: flag likely bugs and style issues as you type
• Live Share: lets another developer view and edit your code in real time for pair programming
• GitLens: adds deeper Git history and blame information inline in the editor

5Setting It Up

After installing VS Code, the fastest way to get productive is to open a project folder directly, rather than individual files, since the editor treats a folder as a workspace and can then offer project-wide search, Git status, and debugging configuration.

From there, install the language extension for whatever you're working in first, then add a formatter and linter as your project grows.

6VS Code vs Other Editors and IDEs

Compared to a full, heavyweight IDE, VS Code trades some deeply integrated, language-specific tooling for speed and flexibility across many languages at once. Compared to a minimal text editor, it offers far more built-in developer tooling, like debugging and Git integration, without needing to be configured from scratch.

7Tips for New Users

Learn a handful of keyboard shortcuts early, especially the command palette, since it makes discovering and running features far faster than hunting through menus.

SkillVeris's study notes and topic pages on specific programming languages pair naturally with VS Code as your working editor while you build out the exercises and small projects in each course.