A tiny (230B) and fast UUID (v4) generator for Node and the browser

Lightweight secret protection for Git — scan, encrypt, validate, and decrypt .env files across monorepos

A lightweight, type-safe environment variable validator for Node.js applications.

A type-safe environment variable parser and validator.

Validate, compare, lint, and secure .env files — zero dependencies CLI tool

simple persistent cookiejar system

Secure .env file encryption for team collaboration — AES-256-GCM, zero config, works with npx

Provides functions for detecting if the host environment supports the WebCrypto API

Offers getProxyForUrl to get the proxy URL for a URL, respecting the *_PROXY (e.g. HTTP_PROXY) and NO_PROXY environment variables.

A Babel preset for each environment.

Secure, zero-dependency utilities for generating passwords, passphrases, pins, and more

Runtime agnostic JS utils

AWS credential provider that sources credentials from known environment variables

A security-focused rehype plugin that filters URLs based on allowed prefixes

Track Ethereum addresses with authentication and database support

Stacks env helper methods.

Run scripts that set and use environment variables across platforms

Raw Secure Exec protocol types and codecs.

a secure dotenv–from the creator of `dotenv`

Securely compare two strings, copied from cryptiles