Npm
The ~/.npm folder stores npm cache and package data used by Node.js development tools and command-line installs.
What is Npm?
~/.npm is a user-level folder commonly created by npm, the Node.js package manager. It is typically used to store downloaded package cache data and related npm working files that help speed up installs and support JavaScript or Node.js development workflows.
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Safety overview
Status: Mostly safe
This folder is usually not required for macOS itself, but it may be important for developers or tools that rely on npm. Removing it generally does not damage the system, though it can delete cached package data and may force npm to re-download content later.
Recommendation: Keep this folder if you use Node.js, npm, or developer tools that install JavaScript packages. If you do not use npm anymore, it is usually reasonable to remove after confirming no active development tools depend on it. Expect npm to recreate it if used again.
File path
~/.npm
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