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Reddit - AntiDuplicate Content

Removes duplicate posts from feeds and pages by hashing images and comparing URLs. Uses dHash compared in BK-Trees. Fast & Lightweight. Includes Control Panel.

How to install

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

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How to install

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

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Author
BD9Max
Daily installs
1
Total installs
22
Ratings
3 0 0
Version
2.8.0
Created
2026-06-05
Updated
2026-06-13
Size
17.2 KB
License
MIT
Applies to

Reddit AntiDup

AntiDuplicate Content

- Removes duplicate Reddit posts from feeds and pages by hashing images and comparing URLs.

- Uses fast dHash image hashes compared in BK-Trees.

- Adds a small notice into posts card/compact if content was antiduped.

- Control Panel (CPL) (see right side of screen after install)

- For new Reddit.

- Lightweight and very fast execution.

Version info and feedback:

v2.8.0 AntiDup logic refreshed: Faster & Lightweight. Control Panel added. Reddit curated feeds excluded (home/news/popular)