Who is Negative News Filter for?

Negative News Filter is an open-source project built for firefox users who want to filter news content.

Is Negative News Filter free?

Yes — Negative News Filter is open source under the Open Source license and free to use.

What platforms does Negative News Filter run on?

Negative News Filter runs on the web and embeddable surfaces. It can also be self-hosted.

Is Negative News Filter still maintained?

Unverified. Negative News Filter has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

Who makes Negative News Filter?

Negative News Filter is developed by sanlun1.

How long has Negative News Filter been around?

Negative News Filter first shipped in 2023.

Is Negative News Filter open source?

Yes — Negative News Filter is open source under the Open Source license.

Back to the index

Negative News Filter

Name: Negative News Filter
Author: sanlun1

github.comBrowser DevTools & extensions

Negative News Filter is an open-source Firefox add-on that removes article links containing specified unwanted words from news sites. It also hides various distracting or unwanted page elements for users who want a cleaner news-browsing experience.

Open SourceWebEmbeddableSelf-hosted

Visit github.com

Overview

5 features

Negative News Filter is a Browser DevTools & extensions project. It focuses on filtering unwanted news articles and distracting elements from news websites. Negative News Filter is an open-source project aimed at firefox users who want to filter news content. The project is open source (Open Source). It runs on the web and embeddable surfaces, and it can be self-hosted.

Behind Negative News Filter is sanlun1, and it first shipped in 2023. Among its 5 catalogued features are keyword filtering, article link removal, and element hiding.

Summary written by a language model from the project’s public pages.

Keyword filtering
Article link removal
Element hiding
News site cleanup
Firefox integration

Built with & integrations

Runs on

BrowserEmbeddableSelf-hosted

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed11 Sep · 11:30 UTC
Negative News Filter verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Negative News Filter

What is Negative News Filter?: Negative News Filter focuses on filtering unwanted news articles and distracting elements from news websites. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Negative News Filter for?: Negative News Filter is an open-source project built for firefox users who want to filter news content.
Is Negative News Filter free?: Yes — Negative News Filter is open source under the Open Source license and free to use.
What platforms does Negative News Filter run on?: Negative News Filter runs on the web and embeddable surfaces. It can also be self-hosted.
Is Negative News Filter still maintained?: Unverified. Negative News Filter has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
Who makes Negative News Filter?: Negative News Filter is developed by sanlun1.
How long has Negative News Filter been around?: Negative News Filter first shipped in 2023.
Is Negative News Filter open source?: Yes — Negative News Filter is open source under the Open Source license.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
Built for: Firefox users who want to filter news content
Model: Open source
Solves: Filtering unwanted news articles and distracting elements from news websites.

Registered as

Firefox Add-ons: negative-news-filter

Developer

sanlun1

Index record

Indexed: 11 Sep 2026
Lifecycle: Alive
Last seen: 11 Sep 2026

Identity audit (13)

Slug: negative-news-filter-github-com
Lifecycle state recorded: 11 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 11 Sep 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Written by a language model from the project's public pages.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 11 Sep 2026
Canonical URL: https://github.com/sanlun1/negative-news-filter

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