Silk - Privacy Pass Client icon

Silk - Privacy Pass Client

by Cloudflare Research · Accessibility
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Client support for Privacy Pass anonymous authorization protocol.

Users
300K
0 in 30 days
Rating
2.0 / 5
−0.30 in 30 days
Ratings
725
0 in 30 days
Store rank
#967
#880 among extensions
Version
4.0.2
updated 2 Apr 2024

Users

monthly, 3 years
100K250K400KAug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 300,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
200462725Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 725 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Silk - Privacy Pass Client

This extension provides unlinkable cryptographic tokens for websites that support the Privacy Pass protocol. For example, these tokens can be used on Cloudflare-protected websites to improve your human signal. How it works? Privacy Pass Providers: Cloudflare Research Get tokens 1. If a website requests a Privacy Pass token, the extension is automatically going to request you to perform the associated challenge. 2. One page will open with a challenge to be solved. 3. Solve successfully the challenge and the extension will get **one** token. See FAQs and Known Issues section: if something is not working as expected.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%0−0.30
30 days0+0.0%0−0.30
6 months0+0.0%0−0.30
1 year0+0.0%+3−0.31

Chrome Web Store search rankings

Where Silk - Privacy Pass Client appears when people search the store, with the 30 day change
Search phrasePosition30 days
privacy#19+7

Version history

13 versions recorded
4.0.22 Apr 2024
4.0.112 Jan 2024
4.0.04 Jan 2024
3.0.631 Aug 2023
3.0.59 Feb 2023
3.0.412 Nov 2022
3.0.314 Jun 2022
3.0.222 Feb 2022

Details

Category
Accessibility
First seen
24 Apr 2020
Size
95 KB
Languages
en
Pricing
Free
Support
github.com
Extension ID
ajhmfdgkijocedmfjonnpjfojldioehi

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
declarativeNetRequeststoragetabswebRequest
Site access
<all_urls>
Can read and change data on every website you visit.

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