When using VS Code, Prettier, IntelliSense, GitLens, and Terminal Here are key extensions to improve development efficiency. Prettier can automatically unify code formats, support multiple languages, and set automatic formatting when saving; secondly, JavaScript (ES6) code snippets and Python by Microsoft plug-in provide intelligent prompts and quick jump definition functions to improve encoding speed; then, GitLens enhances Git operations, displays row-level modification history and supports branch comparison; finally, Terminal Here allows right-click to quickly open the terminal, saving path switching time. These tools cover code specifications, intelligent assistance, version control and terminal operations, and are commonly used by developers.
If you write code with VS Code, some extensions can really help you get twice the result with half the effort. They are not just "easy to use", but they have almost become standard. The following are a type of tools that most developers will install, covering multiple aspects such as efficiency, collaboration, and debugging.

Code formatting and style unification: Prettier
It is important to maintain a consistent format when writing code, especially when teamwork. Prettier can automatically help you unify indentation, quotes, semicolons and other formats, and supports multiple languages (JS, TS, HTML, CSS, JSON, etc.). You can set automatic formatting when saving files, or trigger manually via shortcut keys.

Recommended after installation:
- Turn on
Format On Save
in settings, automatically beautify the code when saving - Better use with ESLint (if there are code specification requirements)
- You can add
.prettierrc
files to the project root directory to customize format rules
IntelliSense and Go to Definition
VS Code comes with good smart prompts, but if you are developing JavaScript, TypeScript or Python projects, it is recommended to install additional language-related plug-in packages, such as:

- JavaScript (ES6) code snippets : Provide common syntax templates to speed up development
- Python by Microsoft : Provides functions such as type inference, virtual environment recognition, etc.
In addition, "Go to Definition" (default shortcut F12) can quickly jump to the place where the function or variable is defined, especially suitable for looking at other people's code or large projects.
Version Control Assistant: GitLens
Git is the standard for modern development, and GitLens greatly enhances the Git function of VS Code. It can display who changed each line next to the code when it was changed, and can also view the commit history, compare branch differences, resolve conflicts, etc.
Recommended usage:
- Enable "Current Line Blame" to view the latest modified information of the current line
- Use "Compare with Branch" to quickly view the differences between different branches
- If you often deal with multi-person projects, this plugin will make you more clear about the ins and outs of the code
Terminal Enhancement: Terminal Here
Although VS Code comes with its own terminal, sometimes you want to open a terminal window in a specific folder. The Terminal Here plug-in can directly open the command line in the right-click menu, saving you from typing cd xxx
yourself.
Tips:
- After installation, right-click the folder in Explorer → “Open Terminal Here”
- Supports Windows, macOS, and Linux
- Especially suitable for multi-project structures, saving time on switching paths
Basically that's it. Not all projects need to be installed, but if you are a front-end, Node.js, or Python developer, these suggestions are worth a try. Some functions look simple, but once used, you will feel inseparable.
The above is the detailed content of What are the must-have VS Code extensions?. For more information, please follow other related articles on the PHP Chinese website!

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