Who is Stream Finder for?

Stream Finder is a consumer product built for firefox users who inspect or download streaming media.

Is Stream Finder free?

Yes — Stream Finder is free to use.

What platforms does Stream Finder run on?

Stream Finder runs on the web and embeddable surfaces.

Is Stream Finder still active?

Unverified. Stream Finder 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 Stream Finder?

Similar projects tracked by PulseGate include Stream Detector, StreamWatch, and Stream Navigator.

Who makes Stream Finder?

Stream Finder is developed by 333666.

When did Stream Finder launch?

Stream Finder first shipped in 2023.

Back to the index

Stream Finder

Name: Stream Finder
Author: 333666

mozilla.orgBrowser DevTools & extensions

The Stream Detector is a Firefox browser extension that tracks playlist and subtitle URLs used by HLS, HDS, MPEG-DASH, and Smooth Streaming. It can detect custom file types, expose media resources, and download files for users inspecting online streams.

FreeWebEmbeddable

Visit mozilla.org

5alternatives

7features

2023since

Overview

7 features

Stream Finder is a Browser DevTools & extensions project. It focuses on finding streaming manifests, subtitles, and downloadable media URLs in the browser. It is built as a consumer product for firefox users who inspect or download streaming media. Stream Finder is free to use. It runs on the web and embeddable surfaces.

It is developed by 333666, and it first shipped in 2023. It operates in a well-populated space: PulseGate tracks 5 similar projects. Key capabilities include manifest detection, subtitle detection, and media downloads. The interface is available in 32 languages, including Czech, German, and Greek.

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

Manifest detection
Subtitle detection
Media downloads
Custom file types
Playlist tracking
Download history access
Browser notifications

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

Indexed18 Sep · 05:33 UTC
The Stream Detector verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Stream Finder

What does Stream Finder do?: Stream Finder focuses on finding streaming manifests, subtitles, and downloadable media URLs in the browser. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Stream Finder for?: Stream Finder is a consumer product built for firefox users who inspect or download streaming media.
Is Stream Finder free?: Yes — Stream Finder is free to use.
What platforms does Stream Finder run on?: Stream Finder runs on the web and embeddable surfaces.
Is Stream Finder still active?: Unverified. Stream Finder 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 Stream Finder?: Similar projects tracked by PulseGate include Stream Detector, StreamWatch, and Stream Navigator.Stream Detector StreamWatch Stream Navigator
Who makes Stream Finder?: Stream Finder is developed by 333666.
When did Stream Finder launch?: Stream Finder first shipped in 2023.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who inspect or download streaming media
Model: B2C
Solves: Finding streaming manifests, subtitles, and downloadable media URLs in the browser.

Registered as

Firefox Add-ons: stream-finder

Developer

333666

Index record

Indexed: 18 Sep 2026
Lifecycle: Alive
Last seen: 18 Sep 2026

Identity audit (13)

Slug: the-stream-detector-mozilla-org-1kvc2y
Lifecycle state recorded: 18 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 18 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: 18 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/stream-finder

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