The short answer
The best Chrome extension ideas to make money start from a gap you can measure: lots of users, a weak rating, and an incumbent that's stopped updating. Below are ten real ones from our crawl on 3 October 2026, ranked by users. Each listing is rated under 3.8 from at least 100 ratings and has had no store update for over a year.
- A gap needs two signals, not one. Here: weak rating plus no update for a year.
- Ten ideas, ranked by users on the incumbent's listing.
- We left out big-company and companion tools you can't replace.
- Users are the store's rounded figure. Ratings are lifetime averages.
Chrome extension ideas to make money work like a queue outside a closed shop. It tells you two things: people want what's inside, and nobody's serving them.
That's what these listings are. Big queues, shutters half down.
How we picked them
From our crawl of 61,820 live extensions (about 21% of store IDs, as of 3 October 2026), we kept listings that met all of these. For the wider method, see how to find Chrome extension ideas.
- 200,000 users or more on the listing.
- Rated under 3.8 from at least 100 ratings.
- No store update in 365 days or more.
- Not a companion to one company's product (like a sign-in helper or a security agent), and not from a giant publisher.
One weak signal is noise. Two together are worth a look.
Ten chrome extension ideas to make money, ranked by users
| Rank | Incumbent | Users | Rating | Days since store update | The idea |
|---|---|---|---|---|---|
| 1 | Screen Recorder | 2,000,000 | 3.76 from 1,925 | 838 | A screen recorder that's maintained, with easy trimming and sharing |
| 2 | Visual Bookmarks | 2,000,000 | 3.36 from 8,789 | 705 | A visual start page with sync people trust |
| 3 | PDF Viewer | 1,000,000 | 3.32 from 2,723 | 705 | A PDF reader with notes and highlights that save |
| 4 | Video Downloader PLUS | 1,000,000 | 3.01 from 1,638 | 798 | See the warning below |
| 5 | EPUBReader | 1,000,000 | 3.52 from 301 | 900 | A modern ebook reader in the browser |
| 6 | Google Meet Enhanced Experience | 1,000,000 | 3.36 from 2,055 | 465 | Meeting add-ons that survive Meet's layout changes |
| 7 | Google Docs Dark Mode | 900,000 | 3.36 from 1,445 | 1,132 | Dark themes for Docs, Sheets and Slides that don't break |
| 8 | YouTube NonStop | 800,000 | 3.28 from 1,312 | 1,069 | A small YouTube quality-of-life bundle |
| 9 | Enable Right Click for Google Chrome | 500,000 | 3.50 from 842 | 1,069 | A copy-and-select helper with per-site control |
| 10 | OP Auto Clicker | 400,000 | 2.31 from 464 | 1,262 | A reliable auto clicker with saved routines |
"Days since store update" is counted from the listing's own last-updated date to 3 October 2026.
Which ones could actually earn
Not all ten are equal. Run each through two questions: does the paid part need a server, and could Chrome add it as a setting?
- Strongest: Screen Recorder (cloud sharing is server work), Visual Bookmarks (sync), PDF notes (saved annotations). These have a natural paid tier.
- Middle: EPUB reader, Meet add-ons, Docs dark mode. Useful, but price will be small, and Meet or Docs could change under you.
- Weakest: right-click and auto clicker tools. Big installs, tiny willingness to pay.
To check who pays in a niche, read business ideas with real paying users.
What these numbers can't tell you
- Whether the incumbent charges. Our paid detector reads only the listing and manifest, so check each website.
- Whether ratings are getting worse. Our own history started on 2 October 2026, so we can't show a trend yet.
- Exact users. The store rounds.
We're biased, but this table is what Ext Watch's Openings page does every day, with the filters and the dates attached.
Before you pick one, run it through a five-step validation check. Then read twenty of its low reviews and write the three fixes people ask for most.
Questions people ask
What Chrome extension should you build to make money?
Start where a big incumbent is rated poorly and hasn't updated in a long time, and where the paid part needs your server.
How do you pick which extension gap to build for?
Ask whether the paid part needs a server and whether Chrome could add it as a setting. Cloud sharing, sync and saved annotations are server work, so they have a natural paid tier.
Are these ideas saturated?
Each has a large, unhappy user base. That's the opposite of a saturated niche, though a new competitor can appear any day.
Where these numbers come from
- chromewebstore.google.comChrome Web StoreAccessed 3 Oct 2026
- developer.chrome.comChrome Web Store program policiesAccessed 3 Oct 2026
Part of our guide: What Is Micro SaaS? A Plain Guide With Real Examples. More in Extension ideas.
138 extensions tracked in Email finders. See them all.
Real demand, weak competition, with the numbers behind each one. Updated 3 Oct 2026 from our Chrome Web Store crawl
