Is This Safe? — Extension Permission & Security Checker

Extension Privacy & Security5 users

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Overview

See what your installed extensions can actually do. Plain-English risk scores. 100% local — nothing leaves your browser.

You probably have a dozen extensions installed. Do you know what each one can actually see and do? Some extensions can read every website you visit — including what you type, your passwords, and your login cookies. Most people have no idea, and in 2026 several popular extensions were caught quietly collecting user data. "Is This Safe?" gives you a clear answer in one click. WHAT IT DOES - Scans every extension you have installed - Gives each one a Trust Score from 0 to 100 - Explains the risk in plain English — no jargon ("This extension can read and change data on every website you visit") - Sorts the riskiest extensions to the top so you see problems first - One click to manage or remove anything you don't trust - Warns you when a newly installed extension is high-risk 100% PRIVATE Everything runs locally inside your own browser. This extension makes no network requests. It does not collect, transmit, sell, or share any data — ever. Your information never leaves your device. WHY IT MATTERS An extension with broad permissions is like handing someone the keys to your browser. Most are harmless. Some are not. "Is This Safe?" helps you tell the difference in seconds, so you can keep the tools you trust and remove the ones you don't. Free to use. No account required.

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Details

Version
0.1.1
Updated
May 30, 2026
Flag concern
Offered by
seshboxhq
Size
25.86KiB
Languages
English (United States)
Developer
Email
seshboxhq@gmail.com
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.

Privacy

Manage extensions and learn how they're being used in your organization

The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

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

Support

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