PasteGuard: Sensitive Data Shield Firefox

PasteGuard: Sensitive Data Shield

Filters sensitive data from your clipboard when pasting on websites like ChatGPT. Protects API keys, tokens, and corporate IP.

Features & Capabilities

Stop Shadow AI from leaking your sensitive data.

PasteGuard is a browser extension that sits between your clipboard and the webpage. When you paste text on a monitored site, PasteGuard automatically detects and masks sensitive data before it reaches the page.

Key Features:

  • Automatic Detection: Built-in rules for IPv4/IPv6, API keys, AWS/GitHub tokens, and more.
  • Reverse Mapping (BETA): Copying masked text back restores the original values to your clipboard locally.
  • Remote Feeds: Subscribe to remote JSON URLs to sync security policies across your team.
  • Custom Rules: Create your own regex or text-based filters.
  • 100% Local: All processing happens in your browser. No data is ever sent to our servers.

Why PasteGuard? Workers often use AI tools like ChatGPT or DeepSeek to analyze logs or code. Without protection, this can lead to "Shadow AI" data leaks. PasteGuard ensures your corporate secrets stay internal.

User Growth & Download Statistics

Manifest V3 Add-on
By:
yasir_dev
Daily users:
1
Version:
1.0 Last updated: 2026-03-24
Version code:
6190267
Creation date:
2026-03-21
Risk:
High risk impact High risk likelihood
Permissions:
Host permissions:
  • <all_urls>
Content scripts matches:
  • *
Size:
100.16KB
URLs:
Privacy policy
Full description:
See detailed description
Source:
Firefox Add-ons Store
Data ingested on:
2026-06-03
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
yasir_dev
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/pasteguard-shield/

Is PasteGuard: Sensitive Data Shield 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.

PasteGuard: Sensitive Data Shield 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.
  • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
  • 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.

PasteGuard: Sensitive Data Shield is recently added, and hasn't been around long enough for us to gather enough data to accurately assess its risk level.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Medium **** ********* *** ******* ** *** **** * ******* *** ******* *** *** ** ****** ** *****
  • Medium **** ********* *** ***** ** *** **** * ******* *** ********** *** *** ** ****** ** *****
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