Tab Lock – Prevent Accidental Closing by Lakeside Apps
Lock important tabs so you never lose them. A locked tab that gets closed by accident opens again at once. Free, no limit.
Some features may require paymentSome features may require payment
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About this extension
Keep the pages you can't afford to lose. When a protected page gets closed by a stray click or a shortcut, Tab Lock opens it again at once, at the same position in the window and with its back history. Free with no limit and no account. Pro: $6.99 once, no subscription.
HOW IT WORKS
1. Click the toolbar icon and choose "Lock this tab". The icon turns amber.
2. Work as usual. If the page gets closed, it comes straight back.
3. To close it for good, unlock it first from the popup.
FREE
• Protect as many pages as you like with one click each.
• Closed pages reopen right away, without a dialog that only works after you click into the page.
• See everything you protected in one list, jump to an entry or release it there.
• Optional: also show the browser's "Leave site?" prompt (needs site access, only asked for when you turn it on).
PRO ($6.99, LIFETIME)
• Protect pages automatically by site or address pattern.
• Protect every pinned tab automatically.
• Switch protection for the current page with a keyboard shortcut.
• Stay on the site: links that lead elsewhere open next to it instead.
GOOD TO KNOW
Closing a whole window or quitting the browser is not blocked. When you restore the window, its pages are protected again. A page that keeps closing itself is let go after three tries.
PRIVACY
Your list, rules and settings stay in your browser and are never sent anywhere. The only data that leaves the browser is the email address you enter when you buy Pro, which is used to check your purchase.
HOW IT WORKS
1. Click the toolbar icon and choose "Lock this tab". The icon turns amber.
2. Work as usual. If the page gets closed, it comes straight back.
3. To close it for good, unlock it first from the popup.
FREE
• Protect as many pages as you like with one click each.
• Closed pages reopen right away, without a dialog that only works after you click into the page.
• See everything you protected in one list, jump to an entry or release it there.
• Optional: also show the browser's "Leave site?" prompt (needs site access, only asked for when you turn it on).
PRO ($6.99, LIFETIME)
• Protect pages automatically by site or address pattern.
• Protect every pinned tab automatically.
• Switch protection for the current page with a keyboard shortcut.
• Stay on the site: links that lead elsewhere open next to it instead.
GOOD TO KNOW
Closing a whole window or quitting the browser is not blocked. When you restore the window, its pages are protected again. A page that keeps closing itself is let go after three tries.
PRIVACY
Your list, rules and settings stay in your browser and are never sent anywhere. The only data that leaves the browser is the email address you enter when you buy Pro, which is used to check your purchase.
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Permissions and data
Required permissions:
- Access recently closed tabs
- Access browser tabs
Required data collection, according to the developer:
- Personally identifying information
More information
- Add-on Links
- Version
- 1.0.0
- Size
- 186.82 KB
- Last updated
- a month ago (Oct 13, 2026)
- Related Categories
- License
- All Rights Reserved
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection
Support: scanlystudio.support@proton.me