Is Assistant Side Panel safe to install?

What data it declares

The developer declares that it does not collect or use your data.

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
• Block content on any page
• Modify data you copy and paste
• Read data you copy and paste
• Manage your downloads
• Know your email address
• Read and change your browsing history on all your signed-in devices

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

Every site you visit. This extension can read and change the content of any page you open. What access to every site means

Reaches your browsing data or every site

• Read what you have copied clipboardRead
• Attach to pages the way developer tools do debugger
• Read and change your browsing history history
• See the address and title of every tab you have open tabs

Worth knowing

• Block or redirect requests by rules it declares in advance declarativeNetRequest
• Manage your downloads downloads
• Sign you in with a Google account identity
• See the email address of the signed-in Google account identity.email
• Run its own code on the pages it can access scripting

Routine for an extension

• Schedule work to run later alarms
• Put data on your clipboard clipboardWrite
• Add items to the right-click menu contextMenus
• Open a panel beside the page sidePanel
• Store data in your browser storage

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.

How usual this is for its category

In Productivity · Tools, 20% of extensions ask for access to every site. This one: Access to every site.

The typical extension there declares 3 browser permissions; this one declares 14 browser permissions.

• Read what you have copied (clipboardRead): 2% of extensions in this category ask for it.
• Attach to pages the way developer tools do (debugger): 2% of extensions in this category ask for it.
• Read and change your browsing history (history): 1% of extensions in this category ask for it.
• See the address and title of every tab you have open (tabs): 28% 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

51 users

• Last updated in the store 253 days ago, on 2026-03-02.
• No 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.

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.

The permissions this extension requests have not changed since we started watching it.

Who publishes it

Masahide Kojima, who publishes 4 listings we track. This listing has been in the store since 2026-03-02 and was last updated on 2026-03-02.

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. Pomodoro Chrome Extension No site access · 2 permissions 50k users ★ 4.2
2. Side Panel Clock No site access · 4 permissions 93 users ★ 5.0
3. JS Timer No site access · 4 permissions 8 users ★ 5.0

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 Assistant Side Panel access?

Every site you visit. This extension can read and change the content of any page you open. It declares 14 browser permissions.

What data does Assistant Side Panel collect?

The developer declares that it does not collect or use your data. This is the developer's own declaration in the Chrome Web Store. We cannot check it against what the extension does.

Has Assistant Side Panel asked for more permissions over time?

The permissions this extension requests have not changed since we started watching it.

Does Assistant Side Panel publish a privacy policy?

Yes, the store listing links to a privacy policy.