CertLens icon

CertLens

by Chrome Dev · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

A passive certificate sensor: every certificate, key and chain your browser meets, inventoried locally. Network lookups are opt-in.

Users
4
+2 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#281K
#233K among extensions
Version
0.1.2
updated 11 Sep 2026

Users

monthly, 1 months
025Sep 2026Oct 2026Oct 2026
Latest, 16 Oct 2026: 4 usersMove the mouse over the chart for any month

Ratings count

monthly, 1 months
001Sep 2026Oct 2026Oct 2026
Latest, 16 Oct 2026: 0 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 CertLens

CertLens turns your browser into a passive TLS certificate sensor. Every HTTPS connection your browser makes shows it a certificate; CertLens keeps every one, and the public keys, issuers and hosts behind them, in a local inventory, and runs 43 rules over it.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days+2+100.0%00.00

Version history

2 versions recorded
0.1.211 Sep 2026
0.1.09 Sep 2026

Details

Category
Developer Tools
First seen
9 Sep 2026
Size
1.1 MB
Languages
en-US
Pricing
Free
Privacy policy
invenity-labs.github.io
Support
invenity-labs.github.io
Extension ID
hmljnbgpapbpkbehffogoiipkiiefbkh

Permissions and risk

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

Alternatives to CertLens

Extensions that rank for the same store searches or share the Developer Tools category, ordered by users
GoFullPage - Full Page Screen Capture11M users · 4.9 ★ · 84,440 ratings touchenex 확장8M users · 1.2 ★ · 6,328 ratings TrendAI™ Toolbar for Enterprise7M users · 1.2 ★ · 45 ratings SentinelOne6M users · 1.4 ★ · 190 ratings React Developer Tools5M users · 3.5 ★ · 1,644 ratings ColorZilla4M users · 4.7 ★ · 3,939 ratings Take Webpage Screenshots Entirely - FireShot3M users · 4.9 ★ · 52,665 ratings WhatFont3M users · 3.8 ★ · 2,056 ratings