Merlin
404 Bookmarks

404 Bookmarks

With this extension you can find expired bookmarks and remove them easily. You can find all kinds of broken bookmarks, like pages that return 404 (Page not found) or other HTTP errors.

What is 404 Bookmarks?
'404 Bookmarks' is a simple yet powerful Firefox add-on designed to streamline and cleanse your bookmarks. The extension checks your bookmarks for any that return 404 or other HTTP error codes, indicating expired or broken bookmarks. Notably, it also categorizes other kinds of HTTP errors into a separate 'Other Bookmarks' section, enabling users to manually check these links before deletion. It's important to note that deleting bookmarks via this extension is irreversible. The tool may encounter issues with Ad-blockers like Adblock Plus or uBlock, consider disabling these temporarily if detectable websites are shown as not working.
Download
Merlin
Stats
Users: 2,816 ▲ 29
Rating: 3.87 (106)
Version: 1.8resigned1 (Last updated: 2024-04-25)
Creation date: 2017-02-03
Weekly download count: 31
Firefox on Android: Yes
Risk impact: Moderate risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 2
Permissions:
  • bookmarks
  • <all_urls>
Size: 19.53K
URLs: Website
Stats date:

Chrome-Stats Rank

# 1719 ▼ 4
Other rankings
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Other platforms

Not available on Chrome
Not available on Edge
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Chrome-Stats extension
Merlin
Summary
Analyze keywords

With this extension you can find expired bookmarks and remove them easily. You can find all kinds of broken bookmarks, like pages that return 404 (Page not found) or other HTTP errors.

IMPORTANT This extension might not work correctly in some situation with (ad)blockers like uBlock or Adblock Plus. Try disabling them temporarily when otherwise reachable websites show up as not working.

Expired bookmarks vs "other bookmarks" For expired bookmarks the page returned a 404 error page, like you would often see when visiting a website that can't be found. You can be relatively sure that this is detected correctly by this extension. You should always manually check the links before deleting the bookmark, this operation can not be undone.

The category "Other bookmarks" contains all other kinds of HTTP errors, like 403 (Forbidden) or 503 (Service Unavailable), but can also indicate that a DNS lookup for this page failed. You should always make sure that these links are actually broken before deleting them.

User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Does what it is designed for
  • Useful for identifying offline bookmarks
  • Simple and efficient in cleaning up bookmarks
Cons
  • Interface is not intuitive and lacks instructions
  • No controls or way to execute the add-on
  • Consumes too many resources
  • No options to slow down or pause the search
  • Causes the browser to crash
Most mentioned
  • Lack of interface
  • Problem with high resource usage
  • Effectiveness in identifying bad/offline bookmarks
  • Desire for more features such as pause, filters and more search options
Recent reviews
To launch: in "Extensions" (puzzle icon). Does what it is designed for
by Firefox user 18189338, 2023-12-10
View all user reviews
Safety
Risk impact

404 Bookmarks may not be safe to use and it requires some risky permissions. Exercise caution when installing this add-on. Review carefully before installing.

Risk likelihood

404 Bookmarks is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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Screenshots
404 Bookmarks