RunJS
By Amals
Redefine any site with your own CSS & JS—saved per URL. 100% local—no ads, tracking, or account.
Time on the storeUnder 6 monthsA rough range, not an exact date
Store users2As shown on the Chrome Web Store
Chrome Web Store rating1.0 / 51 rating on the Chrome Web Store
Last store update1 Sep 2026Version 1.1.2, 34 days ago
How RunJS is doing
RunJS has been on the store for less than six months and is in the lower half of Developer Tools by users.
- Time on the store
- Under 6 months
A rough range, not an exact date.
Members see the exact launch date, growth history and every release
Inside the extension
Product image 1 of 5Reviews
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The maker
This is the only listing we know of from Amals.
- Listings
- 1
- Combined store users
- ≈2
- Store Featured
- 0
Combined users can count the same person more than once. Maker profile Developer website
Ext Watch AI
Should you build in this niche?
One research report for RunJS. 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
