Who should use Extension?

Extension is a consumer product built for firefox users who use Download Master.

What platforms does Extension run on?

Extension runs on the web, embeddable surfaces, and Windows.

Is Extension still active?

Unverified. Extension 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 are alternatives to Extension?

Similar projects tracked by PulseGate include Hashrate Lens, Mermaid Visualizer, and NBA-Boxscore.

Who develops Extension?

Extension is developed by WestByte.

How long has Extension been around?

Extension first shipped in 2016.

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Extension

Name: Extension
Author: WestByte

westbyte.comBrowser DevTools & extensions

Download Master Firefox Extension integrates Firefox with the Download Master desktop download manager. It intercepts downloads, adds Download and Download All actions to the browser context menu, supports remote downloads, and allows users to configure link interception and minimum file sizes.

PaidWebEmbeddableWindows

Visit westbyte.com

Overview

8 features

Extension is a Browser DevTools & extensions project. It focuses on managing downloads from Firefox with Download Master instead of the browser's built-in downloader. It is built as a consumer product for firefox users who use Download Master. Pricing is paid. It runs on the web, embeddable surfaces, and Windows.

WestByte builds and maintains Extension, and it first shipped in 2016. Among its 8 catalogued features are download interception, context-menu downloads, and batch downloads.

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

Download interception
Context-menu downloads
Batch downloads
Remote downloads
Video download detection
Link interception toggle
Minimum file size setting
Download Master integration

Built with & integrations

Runs on

BrowserEmbeddableWindows

Trust & compliance

Verified signals

HTTPSPrivacy PolicyStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed8 Sept · 07:41 UTC
Download Master verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Extension

What does Extension do?: Extension focuses on managing downloads from Firefox with Download Master instead of the browser's built-in downloader. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Extension?: Extension is a consumer product built for firefox users who use Download Master.
Does Extension have a free plan?: No — Extension is paid.
What platforms does Extension run on?: Extension runs on the web, embeddable surfaces, and Windows.
Is Extension still active?: Unverified. Extension 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 are alternatives to Extension?: Similar projects tracked by PulseGate include Hashrate Lens, Mermaid Visualizer, and NBA-Boxscore.Hashrate Lens Mermaid Visualizer NBA-Boxscore
Who develops Extension?: Extension is developed by WestByte.
How long has Extension been around?: Extension first shipped in 2016.

At a glance

Pricing: Paid
Platforms: Web
Languages: English
First seen: 8 Sept 2026
Built for: Firefox users who use Download Master
Model: B2C
Solves: Managing downloads from Firefox with Download Master instead of the browser's built-in downloader.

Registered as

Firefox Add-ons: download-master2

Developer

WestByte

Index record

Indexed: 8 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 8 Sept 2026

Identity audit (13)

Slug: download-master-westbyte-com
Lifecycle state recorded: 8 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 8 Sept 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: 8 Sept 2026
Canonical URL: https://westbyte.com/dm/pluginff

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