# @iframe-resizer/core This package is part of the __[iframe-resizer](https://iframe-resizer.com)__ library, which automatically resizes the height and width of both same-origin and cross-origin iframes to match their content. It also includes a range of features designed to address common issues associated with using iframes. __For more information, visit [iframe-resizer.com](https://iframe-resizer.com).__ ## Install Using npm: ```bash npm install @iframe-resizer/core ``` or using yarn: ```bash yarn add @iframe-resizer/core ``` --- _iframe-resizer version 5.5.9 2026-02-06 - 10:22:50.790Z_