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Blacklist and Whitelist URLs

Blocks URLs based on simple blacklist and whitelist. The primary intent of this extension is to keep kids from browsing YouTube during the day except for whitelisted school videos, but many other uses are possible. Any domain or class of URLs can be blocked with simple patterns. URLs are blocked if any entry in the blacklist is a substring of the URL, and there is no matching substring in the whitelist. This allows you to block entire domains but grant permission to specific URLs. For example: Blacklist: Whitelist: v=WTsy5hEqCsg All of YouTube will be blocked, but this specific video is allowed: Lists are set via the extension Options page. Lists are stored in synced Google storage, and will sync across browsers if Google sync is enabled and the extension is installed. Note: There is an option to perform regular expression matching on URLs instead of simple substring matching, if you're so inclined. I don't think this is necessary for most uses, but the option is there nevertheless. ES6 regular expression syntax applies. Blocking can be enabled/disabled and scheduled independently for each day of the week in the Schedule section of the Options page. Blocking can be disabled for the rest of the day in the Schedule section of the Options page. I use this to allow my kids to browse freely after all their schoolwork is done. The flag will reset at midnight. The default password is "12345". The password can be changed on the Options page, and I strongly recommend you do so. Make sure to write your password down. If you forget your password there is no way to reset it. The extension will need to be uninstalled and reinstalled, and you will lose all your settings. The options page is accessible for 2 minutes after the password is entered. After that the password will need to be re-entered to access the options page again. The message that is displayed to the user when a site is blocked can be set on the options page. HTML is not allowed in the message, for security reasons. Absolutely no user data is stored or collected. No website data other than the URL is even inspected at all.

3.7 out of 53 ratings

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Abbas RizviMar 10, 2024

it does not let me make a password

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Cookie InfinityJan 17, 2024

I FINALLY found the one I needed! Thank you so much!


  • Version
  • Updated
    April 14, 2021
  • Offered by
  • Size
  • Languages
  • Developer
    Brandon LaCava
    68A CHAMPNEY ST GROTON, MA 01450 United States
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.


The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes


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