> For the complete documentation index, see [llms.txt](https://stampit.js.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://stampit.js.org/essentials/installation.md).

# Installation

## Browser usage

For all JavaScript environments it is recommended to use the [`stampit`](https://github.com/stampit-org/stampit) module. It's a small (**1.5KB** gzipped), featureful and optimized. Also, it is written with TypeScript and supports both ESM and CJS modules.

### NPM

```bash
npm i -S stampit
```

### Browsers

```markup
https://npmcdn.com/stampit
```

or

```
https://unpkg.com/stampit
```

### Compatibility note

The `stampit` v5 is ESM and CJS (hybrid) module.

The detailed Release Notes are always available at the [GitHub Releases](https://github.com/stampit-org/stampit/releases) page.