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Manifest V2 Add-on
- By:
- davidp
- Daily users:
- 1
- Rating:
- 1.00 (1)
- Version:
- 1.0 Last updated: 2021-01-10
- Version code:
- 5161811
- Creation date:
- 2021-01-09
- Risk:
- High risk impact Moderate risk likelihood
- Permissions:
- <all_urls>
- tabs
- <all_urls>
- Content scripts matches:
- <all_urls>
- <all_urls>
- Size:
- 13.65KB
- Source:
- Firefox Add-ons Store
- Data ingested on:
- 2026-06-16
- Compare stats and ranking:
- Block copier vs HTML & CSS Structure Copier
- Block copier vs Copy HTML with CSS
- Block copier vs Copy HTML
For Developers
Contact the developer
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User Reviews
This is a simple, elegant HTML+CSS copier. I looked through the code, and it makes no external calls, so it is completely safe to use.
However, it does not work if you have ANY extensions which load CSS into the page's DOM. If you have an ad blocker, ghostery, whatever, this extension will always fail with the error "CSSStyleSheet.rules getter: Not allowed to access cross-origin stylesheet".
There is a solution to this problem on the page betterprogramming dot pub/how-to-fix-the-failed-to-read-the-cssrules-property-from-cssstylesheet-error-431d84e4a139 so I hope the author can fix this problem because it would be a really useful extension.
by Fi*****, 2022-11-22
Is Block copier Safe?
Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.
Block copier requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk impact analysis details
- Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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- High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.
Block copier is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
- Medium **** ********* *** *** **** *******
- Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
- Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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