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Is Discount Calculator safe to install?

Discount Calculator asks for 4 browser permissions and 1 site pattern. We do not audit code and we do not judge intent; what we can show is what the listing declares and whether that has changed while we have been watching.

Discount Calculator

Chrome extension by Surya Infoworld · Productivity · Tools

Open in the Chrome Web Store
What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

At a glance

Facts, not a score: an ad blocker needs every page and a theme needs nothing, so one number would be wrong about both. Each fact links to its detail.

Site access
Access to every site
Data collection
2 kinds of data declared
Publisher
No store badges
Audience
4 users

What data it declares

The developer declares that it collects these kinds of 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:

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

Worth knowing

Routine for an extension

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.

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 4 browser permissions.

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

4 users

Users
-3 since 31.08
0-7 · 28 readings
2026-10-14: released 1.1.12026-10-14: released 1.1.22026-10-16: released 1.1.32026-11-05: released 1.1.5
  1. 2026-08-317
  2. 2026-09-024
  3. 2026-09-055
  4. 2026-09-064
  5. 2026-09-087
  6. 2026-09-090
  7. 2026-09-174
  8. 2026-09-205
  9. 2026-09-214
  10. 2026-09-265
  11. 2026-09-284
  12. 2026-10-045
  13. 2026-10-096
  14. 2026-10-104
  15. 2026-10-165released 1.1.3
  16. 2026-10-186
  17. 2026-10-195
  18. 2026-10-206
  19. 2026-10-217
  20. 2026-10-226
  21. 2026-10-247
  22. 2026-10-256
  23. 2026-10-305
  24. 2026-11-014
  25. 2026-11-025
  26. 2026-11-044
  27. 2026-11-085
  28. 2026-11-094

What the store shows

The store shows none of its badges on this listing. Most listings carry none.

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. Asked for fewer permissions (5, was 7) (changed: browser permissions)
  2. Asked for more permissions (7, was 6) (changed: browser permissions)

Versions we have seen

  1. Version 1.1.5 · Asked for fewer permissions (5, was 7) (changed: browser permissions)
  2. Version 1.1.3
  3. Version 1.1.2 · Asked for more permissions (7, was 6) (changed: browser permissions)
  4. Version 1.1.1 · Asked for more permissions (7, was 6) (changed: browser permissions)

Who publishes it

Surya Infoworld. This listing has been in the store since 2024-11-21 and was last updated on 2026-11-05.

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. Discount Detective No site access · 1 permission 3 users (last published figure)
  2. Discount Manager App Runs its code on every site · 1 permission 5 users
  3. Price Comparison Grid No site access · 2 permissions 3 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 Discount Calculator access?
Every site you visit. This extension can read and change the content of any page you open. It declares 4 browser permissions.
What data does Discount Calculator collect?
The developer declares that it collects these kinds of data: 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 Discount Calculator asked for more permissions over time?
Its permissions changed 2 times while we watched, most recently on 2026-11-05.
Does Discount Calculator publish a privacy policy?
Yes, the store listing links to a privacy policy.

We read the public store listing up to 2 times a day and keep what it declared. We do not install the extension, do not audit its code, do not judge its intent and publish no contact details for its developer. Last read on 2026-11-09.

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