An Open All URLs tool is a software or online tool that can open multiple URLs simultaneously in a web browser. This tool can be helpful for tasks such as quickly opening a set of bookmarked pages, opening all links on a web page, or opening multiple pages for research purposes.

An Open All URLs tool is a software or online tool that can open multiple URLs simultaneously in a web browser. This tool can be helpful for tasks such as quickly opening a set of bookmarked pages, opening all links on a web page, or opening multiple pages for research purposes.

Here's how to use an Open All URLs tool:

1. Copy all the URLs you want to open and paste them into a text editor or document.
2. Open the Open All URLs tool, a browser extension, a standalone program, or an online tool.
3. Paste the list of URLs into the input box or field of the tool.
4. Click on the "Open All URLs" or similar button to open all the URLs in separate tabs or windows in your web browser.
5. Wait for all the pages to load and review each page as necessary.

Some Open All URLs tools may offer additional features, such as the ability to save and load lists of URLs, filter duplicate URLs, and specify the maximum number of pages to open simultaneously.

It's essential to be cautious when using an Open All URLs tool, as opening multiple pages at once can be resource-intensive and may cause your web browser to slow down or crash. Additionally, be sure to only open URLs that you trust and are safe to browse.