> For the complete documentation index, see [llms.txt](https://cranford-tech.gitbook.io/charles/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cranford-tech.gitbook.io/charles/key-features/open-url-in-fullscreen-modal.md).

# Open URL in fullscreen modal

Use the action `Charles: Open iFrame in modal` workflow action and give it a URL to open. Start the URL with `https:://…`

<div align="left"><figure><img src="https://1746625412-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FR8XSg57nbIyYLBX9iJLb%2Fuploads%2FmtEjPihYLfmuLmEFVOsu%2Fimage.png?alt=media&amp;token=dae4563f-e700-43f2-87c9-4f9bf2bbe1de" alt=""><figcaption></figcaption></figure></div>