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Is Video Downloader for M3U8/HLS & Cast to TV - CastBrowser safe to install?

Video Downloader for M3U8/HLS & Cast to TV - CastBrowser asks for 3 browser permissions and 1 site pattern. We do not audit code and we do not judge intent; what we can show is what the listing declares and whether that has changed while we have been watching.

Video Downloader for M3U8/HLS & Cast to TV - CastBrowser

Chrome extension by CastBrowser · Productivity · Tools

Open in the Chrome Web Store
What the developer says, and 5 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

At a glance

Facts, not a score: an ad blocker needs every page and a theme needs nothing, so one number would be wrong about both. Each fact links to its detail.

Site access
Access to every site
Data collection
4 kinds of data declared
Publisher
Trader
Audience
642 users · 5.0/5

What data it declares

The developer declares that it collects these kinds of data:

The developer also certifies that your data is not sold to third parties outside approved uses, not used for purposes unrelated to the extension's core function, and not used to decide creditworthiness or lending.

The listing links to a privacy policy.

This is the developer's own declaration in the Chrome Web Store. We cannot check it against what the extension does.

What Chrome asks you to allow

When you add it, Chrome asks you to allow it to:

Derived from the manifest by Chrome's documented rules; the dialog's exact wording depends on your Chrome version and language. Chrome asks again if an update requests more.

What it can reach

Every site you visit. This extension can read and change the content of any page you open. What access to every site means

Reaches your browsing data or every site

Worth knowing

Routine for an extension

Pages it runs its code on

It runs its own code on every page you open: the manifest declares a content script for all sites.

A content script is code the extension injects into pages matching these patterns. On those pages it can read and change what you see, whether or not a host permission is listed above.

How usual this is for its category

In Productivity · Tools, 20% of extensions ask for access to every site. This one: Access to every site.

The typical extension there declares 3 browser permissions; this one declares 3 browser permissions.

Counted over the live extensions of the same category after our latest full pass of the store. A share is context, not a verdict: what is normal depends on what the extension is for.

Who uses it and how it is kept up

642 users

Users
+486 since 01.09
156-642 · 45 readings
  1. 2026-09-01156
  2. 2026-09-02171
  3. 2026-09-04181
  4. 2026-09-05187
  5. 2026-09-06200
  6. 2026-09-07213
  7. 2026-09-08228
  8. 2026-09-09236
  9. 2026-09-13265
  10. 2026-09-15282
  11. 2026-09-17300
  12. 2026-09-20316
  13. 2026-09-21326
  14. 2026-09-25354
  15. 2026-09-26374
  16. 2026-09-28385
  17. 2026-10-04458
  18. 2026-10-08487
  19. 2026-10-09489
  20. 2026-10-10488
  21. 2026-10-11493
  22. 2026-10-13491
  23. 2026-10-16504
  24. 2026-10-17507
  25. 2026-10-18503
  26. 2026-10-19518
  27. 2026-10-20535
  28. 2026-10-21541
  29. 2026-10-22551
  30. 2026-10-23560
  31. 2026-10-24572
  32. 2026-10-25579
  33. 2026-10-26590
  34. 2026-10-28611
  35. 2026-10-29618
  36. 2026-10-30608
  37. 2026-11-01602
  38. 2026-11-02598
  39. 2026-11-04622
  40. 2026-11-07628
  41. 2026-11-08631
  42. 2026-11-09642
  43. 2026-11-10638
  44. 2026-11-11642
  45. 2026-11-14642

What the store shows

Has it asked for more over time?

This is the question a permission list on its own cannot answer. An extension that shipped narrow and widened later is a different proposition from one that always asked for the same thing.

The permissions this extension requests have not changed since we started watching it.

Who publishes it

CastBrowser. This listing has been in the store since 2026-08-08 and was last updated on 2026-08-24.

How to check or remove it in Chrome

  1. Type chrome://extensions in the address bar and find the extension in the list.
  2. Open its details. The site access setting shows where it can run; set it to run only on click and it reaches a page only after you press its icon.
  3. To uninstall it, choose Remove on the same page.

Questions people ask

What can Video Downloader for M3U8/HLS & Cast to TV - CastBrowser access?
Every site you visit. This extension can read and change the content of any page you open. It declares 3 browser permissions.
What data does Video Downloader for M3U8/HLS & Cast to TV - CastBrowser collect?
The developer declares that it collects these kinds of data: Location, Web history, User activity, Website content. This is the developer's own declaration in the Chrome Web Store. We cannot check it against what the extension does.
Has Video Downloader for M3U8/HLS & Cast to TV - CastBrowser asked for more permissions over time?
The permissions this extension requests have not changed since we started watching it.
Does Video Downloader for M3U8/HLS & Cast to TV - CastBrowser publish a privacy policy?
Yes, the store listing links to a privacy policy.

We read the public store listing up to 2 times a day and keep what it declared. We do not install the extension, do not audit its code, do not judge its intent and publish no contact details for its developer. Last read on 2026-11-14.

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