Just the page you came for
Moat works as soon as it's installed. On a live sports-streaming page, it cut the ad and tracking
servers that loaded from 264 to 18. On a news site, the article starts right under the menu.
What you get
See who was following you
Settings shows which companies tried to track you this week, how many of your sites they were on,
and what they wanted.
Dangerous pages stop before they open
Every page is checked against phishing, malware and scam lists that update every day. A fake
sign-in page never gets the chance to load.
Know at a glance that you're protected
The Safety check says whether everything that keeps you safe is on, and fixes anything that isn't
with one click.
And more
- Click the Moat icon to see what it stopped on any page, or switch it off for a site that
doesn't work right. Every other site stays protected.
- Cookie banners answered for you, with optional cookies turned off.
- Pop-up tabs that hijack your clicks are closed before you see them.
- Hide anything the lists miss: click the Moat icon, then Hide something on this page.
- Choose how much to block: Light, Balanced (the default) or Strict.
- Report a problem in a few clicks, and see exactly what gets sent first.
- In English, Spanish, French and German.
Install
Chrome, Edge or Brave: install Moat from the
Chrome Web Store.
Moat is on its way to Firefox Add-ons. Until then it takes about a minute to install from here.
From source (any Chromium browser)
- Download
chrome.zip from the latest release
and unzip it.
- Open
chrome://extensions and turn on Developer mode (top right).
- Click Load unpacked and choose the unzipped folder.
- Pin Moat: click the puzzle piece in the toolbar, then the pin next to Moat.
Firefox
- Download
firefox.zip from the latest release
and unzip it.
- Open
about:debugging#/runtime/this-firefox and click Load Temporary Add-on.
- Choose
manifest.json in the unzipped folder. Until the Add-ons listing is live, Firefox
removes it when it restarts.
Works in Chrome 137, Firefox 140 and Firefox for Android 142, or later.
You'll need Node.js 24 or later.
git clone https://github.com/Samuelabhinav37/moat.git
cd moat
npm ci
npm run filters:update # download the filter lists
npm run build # builds dist/chrome and dist/firefox
Then load dist/chrome or dist/firefox/manifest.json as above.
Private by design
- No account. Install it and it works.
- No analytics and no crash reports.
- Blocking happens in your browser. The pages you visit aren't sent anywhere to be checked.
- Signed daily updates. Moat checks the signature on every list update before using it, and
downloading one says nothing about you.
- Reports only when you send one, and you see what's in it first.
- Open source, so anyone can read the code and build it themselves.
Every case is spelled out in the privacy policy.
Questions
Is Moat free?
Yes. There's no paid version and no subscription. The code is open source under GPL-3.0.
Will it break websites?
Rarely. If one doesn't work right, click the Moat icon and switch it off for that site. Every other
site stays protected. Reporting the problem helps fix it for everyone.
Why does it need to read every site?
To block ads and trackers on a page, it has to see the page's requests. That happens inside your
browser and isn't recorded or sent anywhere. The overview explains
each permission.
Something got through. What should I do?
Click the Moat icon, then Report a problem, or
open an issue. Fixes often reach every
copy within a day, without an update. Security problems go
here, privately.
More answers are in the website FAQ.
For developers
npm run typecheck # types
npm test # unit tests
npm run lint # ESLint
npm run build # dist/chrome and dist/firefox
npm run dev:chrome # rebuild on change (also dev:firefox)
License
Moat is released under the GPL-3.0 license. Third-party filter lists and data keep
their own licenses, listed in NOTICE.md.
