Bookmark Dupes

Name: Bookmark Dupes
Rating: 4.7252 (535 reviews)
Author: Martin Väth

By: Martin Väth

Display/Remove duplicate bookmarks, empty folders or descriptions

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Features & Capabilities

Bookmark Dupes is a powerful Chrome extension designed to help you manage your bookmarks efficiently by detecting and removing duplicates, empty folders, and clearing bookmark descriptions. With a user-friendly interface, you can easily display duplicates, empty folders, non-duplicates, or all bookmarks and manage them by selecting and removing or moving duplicates to a designated folder. It also features an expert mode for advanced users, allowing custom rules using regular expressions to fine-tune duplicate detection based on URLs or bookmark names.

Expert mode supports complex filtering and URL modification rules to customize duplicates criteria such as ignoring bookmarks from specific folders or considering URLs differing only in protocol as duplicates. Bookmark Dupes supports multiple languages and emphasizes safety with irreversible action warnings and recommendations to back up bookmarks. It does require bookmark access permissions and includes detailed instructions and known bug disclosures for the best user experience. Ideal for users seeking to maintain a clean, organized bookmark library.

User Growth & Download Statistics

Add-on

By:

Daily users:

Rating:

Version:

6.7.2 Last updated: 2026-06-16

Version code:

6304831

Creation date:

2017-11-03

Risk:

Permissions:

Size:

75.88KB

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-19

Compare stats and ranking:

Ranking

# 767 ▲ 6

Other rankings

#19 in Bookmarks

#4 in bookmark keyword 32

#12 in bookmarks keyword 36

#31 in book keyword 22

#39 in folders keyword 17 ▲ 1

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Other platforms

Bookmark Dupes (v7.2)

20,000 4.88

(170)

For Developers

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Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

Martin Väth

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/bookmark-dupes/

Website:

https://github.com/vaeth/bookmarkdupes/

User Reviews

Bookmark Dupes is praised for ease of use and strong deduplication, often clearing thousands of duplicates and empty folders. Reviewers cite fast results in many cases and flexible options to keep the most relevant duplicates, plus cross-browser applicability. However, performance degrades with very large collections, and some reviews report freezing or unreliable behavior. Overall, it’s a powerful, user-friendly tool whose usefulness depends on dataset size and speed expectations.

Pros

Very easy to use and user-friendly.
Highly effective at removing duplicates and cleaning up large bookmark collections.
Flexible controls for which duplicates to keep (e.g., retain the most recent).
Fast results in many cases (seconds to minutes).
Works across bookmarks from different browsers/backups with clear results.

Cons

Very slow or unresponsive on large bookmark sets (hours), sometimes freezing.
Reliability issues; in some cases the extension doesn't work.
Performance can be inconsistent depending on dataset size.

Recent reviews

by Fi*****, 2026-05-18

by *****, 2026-04-14

by Se*****, 2026-02-27

View all user reviews ›

Is Bookmark Dupes Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Bookmark Dupes requires very minimum permissions.

Risk impact analysis details

Medium Access to bookmarks may provide insights into user preferences and interests but generally carries low risk.

Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

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

Risk likelihood analysis details

High This extension was recently updated in the past month. New updates may not be stable or safe.
Medium **** ********* *** ****** **** ****** ********* ********** *** *** ** ****** ** *****
Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
Good **** ********* *** **** **** *******