Is Wizzy: One-Click Tax Prep [dev version] safe to install?

What data it declares

The developer declares that it collects these kinds of data:

• Authentication information such as passwords, credentials or PIN codes
• User activity such as clicks, scrolling, keystrokes or network monitoring
• Website content such as text, images or links on the pages you open

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
• Read your browsing history
• Read data you copy and paste
• Display notifications

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
• Read and change cookies on the sites it can access cookies
• See the address and title of every tab you have open tabs

Worth knowing

• Sign you in with a Google account identity
• Run its own code on the pages it can access scripting
• See when you navigate between pages webNavigation

Routine for an extension

• Act on the current tab, but only after you click it activeTab
• Show you notifications notifications
• 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 specific pages only: 30 site patterns.

• https://*.taxwise.com/* taxwise.com and all its subdomains
• https://*.taxcloudprep.com/* taxcloudprep.com and all its subdomains
• https://*.cloudtaxoffice.com/* cloudtaxoffice.com and all its subdomains

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: 12 site patterns.

• https://app.smartwiz.io/* only app.smartwiz.io
• https://smartwiz.link/* only smartwiz.link
• https://m.smartwiz.link/* only m.smartwiz.link

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 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 10 browser permissions.

• Read what you have copied (clipboardRead): 2% of extensions in this category ask for it.
• Read and change cookies on the sites it can access (cookies): 5% 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

41 users

• Last updated in the store 2 days ago, on 2026-10-31.
• We have seen 12 new versions in the last 90 days.

What the store shows

• 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. 2026-10-22Asked for more permissions (34, was 32) (changed: site access, pages it runs its code on)

Versions we have seen

1. 2026-11-01Version staging build f84a49066c
2. 2026-10-29Version staging build 0a22e915bf
3. 2026-10-28Version staging build 94619ca5fe
4. 2026-10-27Version staging build e6c2eeb5fa
5. 2026-10-26Version staging build 7addb37a35
6. 2026-10-26Version staging build edb51601ae
7. 2026-10-24Version staging build 818ff83ef2
8. 2026-10-23Version staging build 04506d7c2b

Who publishes it

SmartWiz, who publishes 2 listings we track. This listing has been in the store since 2025-07-31 and was last updated on 2026-10-31.

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. CompuOffice Online Extension No site access · 1 permission 400k users ★ 1.9
2. LHDN Automation No site access · 5 permissions 26 users ★ 5.0
3. 年末調整申告書クラウド+ Access to specific sites only · 1 site pattern 33 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 Wizzy: One-Click Tax Prep [dev version] access?

Every site you visit. This extension can read and change the content of any page you open. It declares 10 browser permissions.

What data does Wizzy: One-Click Tax Prep [dev version] collect?

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

Has Wizzy: One-Click Tax Prep [dev version] asked for more permissions over time?

Its permissions changed once while we watched, on 2026-10-22.

Does Wizzy: One-Click Tax Prep [dev version] publish a privacy policy?

Yes, the store listing links to a privacy policy.