Is It Safe to Delete node_modules?

What is node_modules?

node_modules is a folder created by npm (Node Package Manager) or yarn/pnpm when you run npm install in a JavaScript/Node.js project. It contains all the third-party packages (dependencies) your project needs.

Why Does It Exist?

When a JavaScript project has a package.json file listing its dependencies, running npm install downloads all those packages (and their dependencies) into node_modules. This can result in thousands of folders and hundreds of megabytes.

Can You Delete It?

✅ Yes, it is completely safe to delete. This is one of the safest large folders to remove.

It can always be perfectly recreated by running:

npm install

Why You Should Delete It

• A single node_modules folder can be 100 MB to 2 GB
• If you have many projects, they collectively eat tens of gigabytes
• Old projects you’re not actively working on don’t need it sitting there

How to Delete node_modules

Simply delete the folder:

# macOS / Linux
rm -rf node_modules

# Windows (Command Prompt)
rmdir /s /q node_modules

# Windows (PowerShell)
Remove-Item -Recurse -Force node_modules

Bulk delete across many projects:

# Find and delete all node_modules (Linux/macOS)
find ~/projects -name "node_modules" -type d -prune -exec rm -rf {} +

What Happens If You Delete It?

• Your project won’t run until you npm install again
• No code is lost, only downloaded packages are removed
• Your package.json and package-lock.json remain intact
• Running npm install restores everything exactly as it was

Bottom Line

Developers regularly delete node_modules, it’s practically a meme in the JavaScript community. It’s always safe to delete, and it’s always one command away from being restored.