Questions?
Answers live here.
Opening multiple tabs depends on your browser’s pop-up permission. If this is your first visit, start with the first two answers below.
Allow pop-ups
Nothing happens when I select “Open batch.” What should I do?
Your browser probably blocked the new tabs. Look for a blocked pop-up icon at the right end of the address bar, choose to always allow pop-ups and redirects from this site, then try again.
Why can’t the site bypass pop-up blocking automatically?
Pop-up blocking is a browser safety feature that prevents sites from opening many pages without permission. A web page or PHP application cannot and should not bypass it. You must explicitly allow the site in your browser.
Browser settings
How do I allow pop-ups in Chrome or Edge?
- Select “Open batch” on this site.
- Select the blocked pop-up icon in the address bar.
- Choose to always allow pop-ups and redirects from this site.
- Confirm the setting, then try again.
How do I allow pop-ups in Safari?
On macOS, open Safari → Settings → Websites → Pop-up Windows, find this domain, and choose Allow. Safari on iPhone and iPad applies stricter limits, so use smaller batches on mobile.
Features & data
Can I add a prefix or suffix to every URL?
Enter a domain prefix such as www. and/or a path suffix such as /ads.txt. Review the preview, then select Apply to list. Prefixes go before the hostname. Suffixes such as /admin/dashboard.php?viewpage=settings extend the existing path and can include query parameters or fragments. Supplied queries or fragments replace existing ones; omitted components are kept. Matching paths are not added twice. IP addresses do not receive domain prefixes.
How do I restore my original list?
Select Restore original to undo all list edits since your first Apply or Clean up action, even after several changes. The exact original text is restored and the prefix and suffix fields are cleared. Clear, Use sample, or a new clipboard paste starts a new list. The restore point is kept only for this page session and does not survive a reload.
How many URLs can I enter at once?
There is no hard input limit, but the default batch contains 5 URLs. You can raise it after confirming that your browser and device handle the smaller batch comfortably.
How does delayed opening work?
When you select “Open batch,” 1B2C reserves the permitted tabs immediately and then loads each destination using your selected delay. The default one-second delay reduces the sudden CPU, memory, and network load caused by many pages starting at once.
Can I import domains or URLs from a file?
Yes. Select “Import TXT / CSV” and choose one or more files up to 5 MB in total. TXT files may contain space- or line-separated entries, while CSV files may place domains or URLs in separate cells. Files are read locally and are not uploaded.
What does the “Filtered” count include?
It includes malformed entries, non-HTTP/HTTPS URLs, links containing usernames or passwords, and duplicates. “Clean up links” replaces the editor content with the final normalized list.
Will my list still be here after I close the page?
Yes. The draft is stored in this browser and restored on your next visit. Select “Clear” to remove the local draft.
Privacy & safety
Does 1B2C record the URLs I enter?
No. Importing, splitting, validating, deduplicating, and opening URLs all happen in your browser. URL lists and selected file contents are not submitted to the PHP server. Read the Privacy Policy.
Is every URL safe to open?
No. 1B2C checks URL syntax, not the safety or reputation of the destination. Only open links from sources you trust, and never enter passwords, verification codes, or payment details on an unfamiliar site.