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Is bcrypt ESM-only? Can you require() it?

A bcrypt library for NodeJS.

Last verified Sep 9, 2026 against bcrypt@6.0.0. Markdown · JSON

CommonJS CommonJS — require() works on every Node.js version we test

bcrypt ships CommonJS only. require("bcrypt") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 18. import "bcrypt" also works because Node.js and Bun can import CommonJS from ES modules, but only the default export is guaranteed; named imports depend on Node's static analysis of the module.

What to do

  1. require("bcrypt") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 18.
  2. From ES modules use the default import: import bcrypt from "bcrypt"; then destructure. Named imports only work when Node.js can statically detect the exports.
  3. TypeScript: npm install -D @types/bcrypt
Latest
6.0.0 (May 11, 2025)
Module format
CommonJS
Last CommonJS version
6.0.0
TypeScript types
@types/bcrypt
Node engines
>= 18
Weekly downloads
5.3M
License
MIT

Does bcrypt@6.0.0 actually load? Runtime test results

Installed and executed on Sep 9, 2026 with require("bcrypt") from a CommonJS file and import "bcrypt" from an ES module.

Runtimerequire("bcrypt")import "bcrypt"
Node.js 18✓ works✓ works
Node.js 20✓ works✓ works
Node.js 22✓ works✓ works
Node.js 24✓ works✓ works
Node.js 26✓ works✓ works
Bun 1.4.0✓ works✓ works

How to import bcrypt

ES modules (import)

import bcrypt from "bcrypt";

Named imports from a CommonJS package only work when Node.js can statically detect them. If a named import fails, use the default import and destructure.

CommonJS (require)

const bcrypt = require("bcrypt");

Module format by version

Derived from the type, main and exports fields of every stable release on npm, corrected where a runtime test of that version contradicted them (53 versions; the newest 53 shown).

VersionsFormatFirst published
0.1.2 – 6.0.0CommonJSFeb 21, 2011

Frequently asked

Is bcrypt ESM-only?

bcrypt@6.0.0 is a CommonJS package. bcrypt ships CommonJS only. require("bcrypt") works on every Node.js version we test (18, 20, 22, 24 and 26) and in Bun. The package declares Node.js >= 18. import "bcrypt" also works because Node.js and Bun can import CommonJS from ES modules, but only the default export is guaranteed; named imports depend on Node's static analysis of the module.

Can I import bcrypt with ES module syntax?

Yes. import bcrypt from "bcrypt" works in Node.js and Bun because they support importing CommonJS modules. Named imports work only when Node.js can statically detect the exports.

Does bcrypt work in Bun?

Yes. import "bcrypt" loaded successfully in Bun 1.4.0 on Sep 9, 2026.

Does bcrypt ship TypeScript types?

Not bundled. Install the community types with "npm install -D @types/bcrypt".

Links

Other commonjs packages

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