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Is Frosmo Preview safe to install?

Frosmo Preview declares no browser permissions and no site access in its manifest, which is as narrow as an extension gets. 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.

Frosmo Preview

Chrome extension by Frosmo · Productivity · Workflow

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.

Data collection
Declares it collects none
Upkeep
Updated 309 days ago
Publisher
No store badges
Audience
202 users · 4.6/5

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:

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.

We have not read this listing's manifest since we started keeping permission names. The counts on the card come from the last time we did.

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 · Workflow, 19% 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 no 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

202 users

Users
-1 since 31.08
197-216 · 29 readings
  1. 2026-08-31203
  2. 2026-09-03205
  3. 2026-09-04204
  4. 2026-09-06205
  5. 2026-09-10207
  6. 2026-09-13205
  7. 2026-09-15207
  8. 2026-09-17212
  9. 2026-09-21212
  10. 2026-09-25216
  11. 2026-09-27212
  12. 2026-10-05211
  13. 2026-10-08209
  14. 2026-10-09206
  15. 2026-10-10207
  16. 2026-10-11203
  17. 2026-10-13204
  18. 2026-10-16198
  19. 2026-10-19197
  20. 2026-10-20202
  21. 2026-10-21204
  22. 2026-10-22208
  23. 2026-10-23213
  24. 2026-10-25209
  25. 2026-10-28210
  26. 2026-10-29209
  27. 2026-11-01203
  28. 2026-11-02200
  29. 2026-11-04202

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.

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

Who publishes it

Frosmo. This listing has been in the store since 2013-06-26 and was last updated on 2025-12-30.

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 Frosmo Preview access?
No site access is declared in the manifest, so it cannot read the pages you open on its own. It declares no browser permissions.
What data does Frosmo Preview 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 Frosmo Preview asked for more permissions over time?
The permissions this extension requests have not changed since we started watching it.
Does Frosmo Preview 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 2026-11-04.

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