Is perc.pass - Password Manager safe to install?

What data it declares

The developer declares that it collects these kinds of data:

• Personally identifiable information such as name, address, email address or age
• Authentication information such as passwords, credentials or PIN codes

The developer also certifies that your data is not sold to third parties outside approved uses, not used for purposes unrelated to the extension's core function, and not used to decide creditworthiness or lending.

The listing links to a privacy policy.

This is the developer's own declaration in the Chrome Web Store. We cannot check it against what the extension does.

What Chrome asks you to allow

When you add it, Chrome asks you to allow it to:

• Read and change all your data on all websites
• Change your privacy-related settings
• Read your browsing history
• Read the icons of the websites you visit
• Modify data you copy and paste
• Communicate with cooperating native applications

Derived from the manifest by Chrome's documented rules; the dialog's exact wording depends on your Chrome version and language. Chrome asks again if an update requests more.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

Reaches your browsing data or every site

• Talk to an application installed on your computer nativeMessaging
• Change your browser's privacy settings privacy
• See the address and title of every tab you have open tabs

Routine for an extension

• Act on the current tab, but only after you click it activeTab
• Schedule work to run later alarms
• Put data on your clipboard clipboardWrite
• Add items to the right-click menu contextMenus
• Read site icons favicon
• Declares https://*/*
• Store data in your browser storage
• Store data in your browser without the usual size limit unlimitedStorage

Pages it runs its code on

It runs its own code on every page you open: the manifest declares a content script for all sites.

• <all_urls> every site

A content script is code the extension injects into pages matching these patterns. On those pages it can read and change what you see, whether or not a host permission is listed above.

Sites that can connect to it

Web pages matching these patterns can open a messaging channel to it: 2 site patterns.

• https://dev.percpass.perceptus.pl/* only dev.percpass.perceptus.pl
• https://app.percpass.com/* only app.percpass.com

Declared as externally connectable in the manifest: a page on these sites can exchange messages with the extension, for example to tell it you have signed in. It does not give the page access to your browser.

How usual this is for its category

In Make Chrome Yours · Privacy, 42% of extensions ask for access to every site. This one: Runs its code on every site.

The typical extension there declares 3 browser permissions; this one declares 11 browser permissions.

• Talk to an application installed on your computer (nativeMessaging): 4% of extensions in this category ask for it.
• Change your browser's privacy settings (privacy): 5% of extensions in this category ask for it.
• See the address and title of every tab you have open (tabs): 32% of extensions in this category ask for it.

Counted over the live extensions of the same category after our latest full pass of the store. A share is context, not a verdict: what is normal depends on what the extension is for.

Who uses it and how it is kept up

366 users

• Last updated in the store 51 days ago, on 2026-09-10.
• We have seen 1 new version in the last 90 days.

What the store shows

• Featured The store's badge for extensions that follow its recommended practices for Chrome extensions.
• Established publisher The store's badge for publishers with a good record and no history of violations.
• Trader The publisher has declared itself a trader under EU rules.

Has it asked for more over time?

This is the question a permission list on its own cannot answer. An extension that shipped narrow and widened later is a different proposition from one that always asked for the same thing.

1. 2026-09-10Asked for more permissions (11, was 10)

Versions we have seen

1. 2026-09-10Version 3.5.0 · Asked for more permissions (11, was 10)

Who publishes it

Perceptus Sp. z o.o.. This listing has been in the store since 2023-09-10 and was last updated on 2026-09-10.

Similar extensions that ask for less

Listings close to this one in what they say they do, which declare less reach. Less reach is not a verdict on either: compare what each needs for the job.

1. Pwdly - Zero-Knowledge Password Manager For Teams Runs its code on every site · 1 permission 3 users
2. Teampass Password Manager Runs its code on every site · 8 permissions 208 users

How to check or remove it in Chrome

1. Type chrome://extensions in the address bar and find the extension in the list.
2. Open its details. The site access setting shows where it can run; set it to run only on click and it reaches a page only after you press its icon.
3. To uninstall it, choose Remove on the same page.

Questions people ask

What can perc.pass - Password Manager access?

No site access is declared in the manifest, so it cannot read the pages you open on its own. It declares 11 browser permissions.

What data does perc.pass - Password Manager collect?

The developer declares that it collects these kinds of data: Personally identifiable information, Authentication information. This is the developer's own declaration in the Chrome Web Store. We cannot check it against what the extension does.

Has perc.pass - Password Manager asked for more permissions over time?

Its permissions changed once while we watched, on 2026-09-10.

Does perc.pass - Password Manager publish a privacy policy?

Yes, the store listing links to a privacy policy.