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Permissions and history

Is Serval safe to install?

Serval 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.

Serval

Chrome extension by duan-c · Lifestyle · Shopping

Open in the Chrome Web Store
What the developer says, and 2 screenshots

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
No permissions at all
Data collection
Declares it collects none
Publisher
Featured
Audience
377 users · 5.0/5

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 does not link 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 specific pages only: 1 site pattern.

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 Lifestyle · Shopping, 19% of extensions ask for access to every site. This one: No permissions at all.

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

377 users

Users
-10 since 01.09
365-393 · 31 readings
  1. 2026-09-01387
  2. 2026-09-02393
  3. 2026-09-03389
  4. 2026-09-04384
  5. 2026-09-06380
  6. 2026-09-07384
  7. 2026-09-09380
  8. 2026-09-10379
  9. 2026-09-13374
  10. 2026-09-15379
  11. 2026-09-17378
  12. 2026-09-21385
  13. 2026-09-25386
  14. 2026-10-05373
  15. 2026-10-08372
  16. 2026-10-09365
  17. 2026-10-10371
  18. 2026-10-11373
  19. 2026-10-13374
  20. 2026-10-16368
  21. 2026-10-17375
  22. 2026-10-18376
  23. 2026-10-20373
  24. 2026-10-21375
  25. 2026-10-22377
  26. 2026-10-23376
  27. 2026-10-24374
  28. 2026-10-25376
  29. 2026-10-26375
  30. 2026-10-29374
  31. 2026-11-02377

What the store shows

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

duan-c. This listing has been in the store since 2021-12-06 and was last updated on 2021-12-06.

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 Serval 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 Serval 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 Serval asked for more permissions over time?
The permissions this extension requests have not changed since we started watching it.
Does Serval publish a privacy policy?
No, the store listing does not link 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 2026-11-02.

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