Permission · declarativeNetRequest

What the declarativeNetRequest permission means for a Chrome extension

Live Chrome Web Store extensions that declare declarativeNetRequest: 9 931, which is 4% of the 270 859 whose permissions we have read. Counted after our catalog pass of 2026-10-10.

What it lets an extension do

Block or redirect requests by rules it declares in advance declarativeNetRequest

Worth knowing

Worth knowing about, but limited to one kind of data or one part of the browser.

What Chrome says when you add one

When you add an extension that declares it, Chrome asks you to allow it to:

Block content on any page

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.

How common it is in each category

How common it is in each category
Category	Share of extensions	Extensions
Make Chrome Yours · Privacy	15%	832 of 5 449
Lifestyle · Well Being	7%	192 of 2 878
Productivity · Developer	5%	1 365 of 28 348
Lifestyle · Social	4%	307 of 7 160
Productivity · Workflow	4%	1 742 of 45 721
Productivity · Tools	4%	3 761 of 106 510
Make Chrome Yours · Accessibility	3%	262 of 8 075
Lifestyle · Shopping	3%	251 of 8 708
Lifestyle · Entertainment	3%	176 of 6 363
Make Chrome Yours · Functionality	3%	304 of 11 127
Lifestyle · Household	3%	13 of 493
Lifestyle · Travel	3%	22 of 855
Productivity · Communication	2%	175 of 7 120
Productivity · Education	2%	268 of 11 516
Lifestyle · Fun	1%	127 of 8 489
Lifestyle · News	1%	23 of 1 631
Lifestyle · Games	1%	76 of 6 897
Lifestyle · Art	1%	35 of 3 519

Counted over the live extensions of each 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.

Widely installed extensions that ask for it

Adobe Acrobat: PDF edit, convert, sign tools Access to every site · 15 permissions, 1 site pattern 343.0M users ★ 4.4
uBlock Origin Lite Access to every site · 8 permissions, 1 site pattern 21.0M users ★ 4.5
Kami for Google Chrome™ Access to every site · 9 permissions, 1 site pattern 18.0M users ★ 4.6
AdGuard AdBlocker Access to every site · 11 permissions, 1 site pattern 17.0M users ★ 4.7
Malwarebytes Browser Guard Access to every site · 12 permissions, 1 site pattern 12.0M users ★ 3.8
Adblock for Youtube™ Access to every site · 8 permissions, 1 site pattern 11.0M users ★ 4.4
Online Security Access to every site · 18 permissions, 1 site pattern 11.0M users ★ 3.6
Zotero Connector Access to every site · 9 permissions, 5 site patterns 9.0M users ★ 4.0
Avira Browser Safety Access to every site · 9 permissions, 1 site pattern 8.0M users ★ 4.1
LastPass: Free Password Manager Access to every site · 13 permissions, 2 site patterns 8.0M users ★ 4.2

Each links to what that extension can access and how its permissions have changed.

How to check your own extensions

Type chrome://extensions in the address bar and find the extension in the list.
Open its details. The Permissions section lists what Chrome granted it, in Chrome's own words.
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.
To uninstall it, choose Remove on the same page.

Figures come from the public Chrome Web Store, which our own crawler reads up to 2 times a day. We do not install or audit extensions and publish no contact details for their developers. Catalog pass of 2026-10-10.

Browse the catalog

Where the data comes from: how the catalog is built