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GL's JavaScript Firewall

By Gelson Luz (GL)

Blocks all JavaScript by default. You control which sites are allowed to run scripts.

View Chrome Web Store

Time on the storeAbout 1 to 3 yearsA rough range, not an exact date

Store users81As shown on the Chrome Web Store

Chrome Web Store rating5.0 / 51 rating on the Chrome Web Store

Last store update27 Aug 2025Version 1.1, 14 months ago

Inside the extension

GL's JavaScript Firewall developer product preview 1

Product image 1 of 1

Reviews

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Permissions & access

Access levelHigh

Can read and change every website you visit.

What it’s allowed to do, not what it actually does. Not a safety rating.

Permissions 6

Sensitive3

Read and change data on every website<all_urls>
Change web traffic on the sites it can accessdeclarativeNetRequestWithHostAccess
See the address and title of every open tabtabs

Standard3

Save its own settingsstorage
Block or redirect requests with set rulesdeclarativeNetRequest
Work on the tab you click it onactiveTab

Members also see when a new version asks for new access.

Website access All

All websites

Extension ID: kmomangnblnknfnfpknddecjhgamkgpf
Package size: 38.48KiB
Manifest: Version 3

The maker

Gelson Luz (GL) has 7 listings on the store. Most of their listings haven’t changed in over a year.

Listings: 7
Combined store users: ≈267
Store Featured: 0
Updated in the last 90 days: 0 of 7

Amazon Prime Video Speed Controller100 users · updated 18 months ago
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NAIMV24 users · updated 19 months ago
ASTM Materials for Construction19 users · updated 2 years ago

Combined users can count the same person more than once. See all 7 listings

Ext Watch AI

Should you build in this niche?

One research report for GL's JavaScript Firewall. Reports come with Plus, Pro and Max.

Takeaway & demandCited takeaway and search volumes
Traffic & domainPopularity rank, visits and authority
Money & pricingPlans and prices from the maker’s site
ReviewsComplaints and praise, quoted
Competitors & ranksRank against the closest listings
Build opportunityWhat to build and how to position it

Every number shows its source and date
Ready in a minute or two
Report and PDF yours for 30 days