Who is Subtitle Translator for?

Subtitle Translator is a consumer product built for firefox users who watch videos with subtitles in other languages.

Does Subtitle Translator have a free plan?

Yes — Subtitle Translator is free to use.

What platforms does Subtitle Translator run on?

Subtitle Translator runs on the web and embeddable surfaces.

Is Subtitle Translator still active?

Unverified. Subtitle Translator 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.

What projects are similar to Subtitle Translator?

Similar projects tracked by PulseGate include Subs Translate, Auto-Translate Subtitles, and Live Subtitle & Translator.

Who develops Subtitle Translator?

Subtitle Translator is developed by kufun.

When did Subtitle Translator launch?

Subtitle Translator first shipped in 2025.

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Subtitle Translator

Name: Subtitle Translator
Author: kufun

mozilla.orgText translation

Subtitle Translator is a Firefox browser extension that translates subtitles displayed on video players. It is intended for viewers who need translated subtitles while watching online videos.

FreeWebEmbeddable

Visit mozilla.org

4alternatives

5features

2025since

Overview

5 features

In the Text translation space, Subtitle Translator takes a focused approach. It focuses on translating subtitles on video players without manually copying text into a translation tool. It is built as a consumer product for firefox users who watch videos with subtitles in other languages. Subtitle Translator is free to use. It runs on the web and embeddable surfaces.

kufun builds and maintains Subtitle Translator, and it first shipped in 2025. Among its 5 catalogued features are subtitle translation, video player support, and firefox integration. The interface is available in 32 languages, including Czech, German, and Greek.

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

Subtitle translation
Video player support
Firefox integration
Website access
Language translation

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 · 05:08 UTC
Subtitle Translator verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Subtitle Translator

What does Subtitle Translator do?: Subtitle Translator focuses on translating subtitles on video players without manually copying text into a translation tool. It is catalogued under Text translation on PulseGate.
Who is Subtitle Translator for?: Subtitle Translator is a consumer product built for firefox users who watch videos with subtitles in other languages.
Does Subtitle Translator have a free plan?: Yes — Subtitle Translator is free to use.
What platforms does Subtitle Translator run on?: Subtitle Translator runs on the web and embeddable surfaces.
Is Subtitle Translator still active?: Unverified. Subtitle Translator 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.
What projects are similar to Subtitle Translator?: Similar projects tracked by PulseGate include Subs Translate, Auto-Translate Subtitles, and Live Subtitle & Translator.Subs Translate Auto-Translate Subtitles Live Subtitle & Translator
Who develops Subtitle Translator?: Subtitle Translator is developed by kufun.
When did Subtitle Translator launch?: Subtitle Translator first shipped in 2025.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who watch videos with subtitles in other languages
Model: B2C
Solves: Translating subtitles on video players without manually copying text into a translation tool.

Registered as

Firefox Add-ons: subtitle-translator

Developer

kufun

Index record

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

Identity audit (13)

Slug: subtitle-translator-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. 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: 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/subtitle-translator

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