Who should use Japanese YouTube Comments Only?

Japanese YouTube Comments Only is a consumer product built for youTube viewers who follow Japanese-language streams.

Is Japanese YouTube Comments Only free?

Yes — Japanese YouTube Comments Only is free to use.

What platforms does Japanese YouTube Comments Only run on?

Japanese YouTube Comments Only runs on the web and embeddable surfaces.

Is Japanese YouTube Comments Only still maintained?

Unverified. Japanese YouTube Comments Only 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 Japanese YouTube Comments Only?

Japanese YouTube Comments Only is developed by K.B.

When did Japanese YouTube Comments Only launch?

Japanese YouTube Comments Only first shipped in 2020.

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Japanese YouTube Comments Only

Name: Japanese YouTube Comments Only
Author: K.B.

mozilla.orgBrowser DevTools & extensions

Japanese YouTube Comments Only is a Firefox extension that filters non-Japanese comments from YouTube live chats and archived streams. It uses Japanese-character and username checks to reduce unwanted comments for viewers of Japanese-language content.

FreeWebEmbeddable

Visit mozilla.org

Overview

5 features

Japanese YouTube Comments Only is a Browser DevTools & extensions project. It focuses on filtering non-Japanese YouTube live chat comments so viewers can focus on Japanese-language discussion. It is built as a consumer product for youTube viewers who follow Japanese-language streams. Japanese YouTube Comments Only costs nothing to use. It runs on the web and embeddable surfaces.

Behind Japanese YouTube Comments Only is K.B., and it first shipped in 2020. Among its 5 catalogued features are live chat filtering, archive filtering, and japanese character detection. The interface is available in 32 languages, including Czech, German, and Greek.

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

Live chat filtering
Archive filtering
Japanese character detection
Username filtering
YouTube integration

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed16 Sep · 14:13 UTC
Japanese YouTube Comments Only verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Japanese YouTube Comments Only

What does Japanese YouTube Comments Only do?: Japanese YouTube Comments Only focuses on filtering non-Japanese YouTube live chat comments so viewers can focus on Japanese-language discussion. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Japanese YouTube Comments Only?: Japanese YouTube Comments Only is a consumer product built for youTube viewers who follow Japanese-language streams.
Is Japanese YouTube Comments Only free?: Yes — Japanese YouTube Comments Only is free to use.
What platforms does Japanese YouTube Comments Only run on?: Japanese YouTube Comments Only runs on the web and embeddable surfaces.
Is Japanese YouTube Comments Only still maintained?: Unverified. Japanese YouTube Comments Only 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 Japanese YouTube Comments Only?: Japanese YouTube Comments Only is developed by K.B.
When did Japanese YouTube Comments Only launch?: Japanese YouTube Comments Only first shipped in 2020.
What languages does Japanese YouTube Comments Only support?: The interface is available in 32 languages, including Czech, German, and Greek.

At a glance

Pricing: Free
Platforms: Web
First seen: 16 Sep 2026
Built for: YouTube viewers who follow Japanese-language streams
Model: B2C
Solves: Filtering non-Japanese YouTube live chat comments so viewers can focus on Japanese-language discussion.

Registered as

Firefox Add-ons: japanese-youtube-comments-only

Developer

K.B.

Index record

Indexed: 16 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 16 Sep 2026

Identity audit (13)

Slug: japanese-youtube-comments-only-mozilla-org
Lifecycle state recorded: 16 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 16 Sep 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
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: 16 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/japanese-youtube-comments-only

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