Can Deno use npm packages?

Yes, since Deno 2.0. Use npm: specifier (import express from "npm:express"). Most npm packages work. Deno also supports package.json and node_modules for easier migration.

Is Deno more secure than Node.js?

Yes, by default. Deno requires explicit permissions for file, network, and environment access. A malicious npm package cannot access your filesystem unless you grant --allow-read. Node.js has no such restriction.

Should I switch from Node.js to Deno?

For new projects, Deno is worth considering — especially for Deno Deploy or security-sensitive applications. For existing Node.js projects, the migration cost is rarely justified unless you need Deno-specific features.

Last updated: April 12, 2026

Deno vs Node.js — Secure Runtime vs Established Standard in 2026

Quick Answer

Deno is a secure JavaScript/TypeScript runtime by Node.js creator Ryan Dahl, with permissions-based security, native TypeScript, and web-standard APIs. Node.js has the largest ecosystem with npm. Deno 2.0 added npm compatibility, narrowing the gap significantly.

Deno vs Node.js — Side by Side

Feature	Deno	Node.js
Security	Permissions by default (--allow-net, etc.)	No permission system — full access
TypeScript	Native — runs .ts directly	Requires compilation or flags
npm Support	npm: specifier support (Deno 2.0+)	Native npm
Standard Library	Official std library (deno.land/std)	Minimal — rely on npm packages
Web APIs	fetch, WebSocket, Streams natively	Added progressively (fetch in 18+)
Package Management	URL imports + npm: specifier	npm with node_modules
Deploy Platform	Deno Deploy (edge, serverless)	Everywhere — AWS, Vercel, Railway

Verdict

Choose Deno for security-conscious applications, edge deployments (Deno Deploy), and when you want native TypeScript without configuration. Choose Node.js for maximum ecosystem compatibility and when deploying to traditional hosting.

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