Bulk Multiple URL Opener

What this tool does

Paste URLs into the box, one per line, choose a delay between tabs, and press Open All URLs in New Tabs. The tool opens each address in its own tab, spaced by the delay you chose (the default is 300 ms).

It is useful for checking a list of pages by eye, such as a sitemap’s URLs after a migration, or opening a batch of research links at once.

How to use it

1. Paste the URLs, one per line, each starting with http:// or https://.
2. Choose the delay between tabs.
3. Press Open All URLs in New Tabs. Allow popups for this site if only one tab opens.

The popup blocker problem

Browsers block pages from opening many windows at once. The usual symptom is that only one tab opens. When that happens, look for the blocked-popup icon in the address bar and choose to always allow popups from this site, then run it again. Spacing out the tabs with a longer delay can also help on some browsers.

What it accepts

Only addresses starting with http:// or https:// are opened. Lines that don’t start that way are ignored, so example.com on its own won’t work. Add the https:// part. If no line is valid, the tool shows an error.

Each tab is opened with noopener,noreferrer, which means the opened pages can’t reach back to this one and don’t see where you came from.

Practical limits

Opening dozens of tabs at once will slow your browser down, and memory use climbs quickly. Work in batches of 10 to 20. The tool runs entirely in your browser and doesn’t check that the links work. For that, use the HTTP status checker.