---
title: "@std/dotenv"
description: "Parsing and loading environment variables from a `.env` file"
jsr: jsr:@std/dotenv
pkg: dotenv
version: 0.225.6
generated: true
stability: unstable
---
<!-- Autogenerated from JSR docs. Do not edit directly. -->

:::info Unstable

This @std package is experimental and its API may change without a major version bump.

:::
## Overview

<p>Parses and loads environment variables from a <code>.env</code> file into the current
process, or stringify data into a <code>.env</code> file format.</p>
<p>Note: The key needs to match the pattern /^[a-zA-Z_][a-zA-Z0-9_]*$/.</p>

```js
// Automatically load environment variables from a `.env` file
import "@std/dotenv/load";
```

```js
import { parse, stringify } from "@std/dotenv";
import { assertEquals } from "@std/assert";

assertEquals(parse("GREETING=hello world"), { GREETING: "hello world" });
assertEquals(stringify({ GREETING: "hello world" }), "GREETING='hello world'");
```

### Add to your project

```sh
deno add jsr:@std/dotenv
```

<a href="https://jsr.io/@std/dotenv/doc" class="docs-cta jsr-cta">See all symbols in @std/dotenv on
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