Master focuses on recovering and reopening tabs from Firefox session backup files. It is catalogued under Browser DevTools & extensions on PulseGate.

Master is a consumer product built for firefox users recovering or transferring saved browsing sessions.

Is Master still active?

Unverified. Master 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 Master?

Similar projects tracked by PulseGate include Session Importer, Master, and Tab Session Manager.

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Master

Name: Master
Author: Soyeb

bitbucket.orgBrowser DevTools & extensions

FreeWebEmbeddablemacOSWindowsLinux

Visit bitbucket.org

Overview

7 features

Master sits in PulseGate's Browser DevTools & extensions category. It focuses on recovering and reopening tabs from Firefox session backup files. It is built as a consumer product for firefox users recovering or transferring saved browsing sessions. Master is free to use. It runs on the web, embeddable surfaces, macOS, Windows, and Linux.

Behind Master is Soyeb, and it first shipped in 2026. Key capabilities include session import, JSONLZ4 support, and JSON support.

Session import
JSONLZ4 support
JSON support
Window preservation
Drag-and-drop loading
Tab preview
Separate window opening

Built with & integrations

Framework

WordPress

Runs on

BrowserEmbeddablemacOSWindowsLinux

Detected from

WordPress: /wp-json/ in the HTML

Trust & compliance

Verified signals

HTTPSFree tierStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed15 Sep · 06:42 UTC
FF Session Importer verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Master

What is Master?: Master focuses on recovering and reopening tabs from Firefox session backup files. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Master for?: Master is a consumer product built for firefox users recovering or transferring saved browsing sessions.
Does Master have a free plan?: Yes — Master is free to use.
What platforms does Master run on?: Master runs on the web, embeddable surfaces, macOS, Windows, and Linux.
Is Master still active?: Unverified. Master 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 Master?: Similar projects tracked by PulseGate include Session Importer, Master, and Tab Session Manager.Session Importer Master Tab Session Manager
Who develops Master?: Master is developed by Soyeb.
When did Master launch?: Master first shipped in 2026.

At a glance

Platforms: Web · API
Languages: English
First seen: 15 Sep 2026
Built for: Firefox users recovering or transferring saved browsing sessions
Model: B2C
Solves: Recovering and reopening tabs from Firefox session backup files.

Registered as

Firefox Add-ons: ff-session-importer

Developer

Soyeb

Index record

Indexed: 15 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 15 Sep 2026

Identity audit (12)

Slug: ff-session-importer-bitbucket-org
Lifecycle state recorded: 15 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 15 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.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 15 Sep 2026
Canonical URL: https://bitbucket.org/soyeb/firefox-session-importer/src/master

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