Is Join 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

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 your data on joinjoaomgcd.appspot.com and localhost
• Know your email address
• Display notifications
• Read your browsing history
• Read data you copy and paste
• Modify data you copy and paste
• Detect your physical location

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

Specific sites only: 2 match patterns.

• https://joinjoaomgcd.appspot.com/ only joinjoaomgcd.appspot.com
• http://localhost:8080/ only localhost

Reaches your browsing data or every site

• Read what you have copied clipboardRead
• Read your location geolocation
• See the address and title of every tab you have open tabs

Worth knowing

• Sign you in with a Google account identity
• See the email address of the signed-in Google account identity.email

Routine for an extension

• Keep running while the browser is open background
• Put data on your clipboard clipboardWrite
• Add items to the right-click menu contextMenus
• Receive push messages from its developer gcm
• Show you notifications notifications
• Run work in a hidden page offscreen
• Speak text out loud tts
• Store data in your browser without the usual size limit unlimitedStorage

How usual this is for its category

In Productivity · Tools, 21% of extensions ask for access to every site. This one: Access to specific sites only.

The typical extension there declares 3 browser permissions; this one declares 13 browser permissions.

• Read what you have copied (clipboardRead): 2% of extensions in this category ask for it.
• Read your location (geolocation): under 1% of extensions in this category ask for it.
• See the address and title of every tab you have open (tabs): 29% 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

20k users

• Last updated in the store 13 days ago, on 2026-09-25.
• We have seen 1 new version in the last 90 days.

What the store shows

• 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. 2026-09-25Asked for fewer permissions (15, was 16)

Versions we have seen

1. 2026-09-25Version 1.9.4 · Asked for fewer permissions (15, was 16)

Who publishes it

joaomgcd, who publishes 2 listings we track. This listing has been in the store since 2015-11-27 and was last updated on 2026-09-25.

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. Notify No permissions at all · No permissions declared 204 users ★ 3.9
2. NotiWeave for PC No site access · 7 permissions 2 users
3. Reflecto: Notification Mirror No site access · 7 permissions 89 users ★ 4.2

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 Join access?

Specific sites only: 2 match patterns. It declares 13 browser permissions.

What data does Join collect?

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

Has Join asked for more permissions over time?

Its permissions changed once while we watched, on 2026-09-25.

Does Join publish a privacy policy?

Yes, the store listing links to a privacy policy.