Who is Messenger for Facebook™ for?

Messenger for Facebook™ is a consumer product built for firefox users who use Facebook Messenger.

Does Messenger for Facebook™ have a free plan?

Yes — Messenger for Facebook™ is free to use.

What platforms does Messenger for Facebook™ run on?

Messenger for Facebook™ runs on the web and embeddable surfaces.

Is Messenger for Facebook™ still active?

Unverified. Messenger for Facebook™ 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 Messenger for Facebook™?

Similar projects tracked by PulseGate include Between, Couples Love Tracker, QuietWire, and TXTcrypt.

Who makes Messenger for Facebook™?

Messenger for Facebook™ is developed by Baris Derin.

How long has Messenger for Facebook™ been around?

Messenger for Facebook™ first shipped in 2012.

Back to the index

Messenger for Facebook™

Name: Messenger for Facebook™
Author: Baris Derin

mozilla.orgSecure & encrypted messaging

Messenger for Facebook™ is a Firefox browser extension that places Facebook Messenger in a sidebar. Users can log in, view friends' online status, and chat without leaving the current webpage.

FreeWebEmbeddable

Visit mozilla.org

Overview

5 features

Messenger for Facebook™ sits in PulseGate's Secure & encrypted messaging category. It focuses on chatting with Facebook friends without leaving the current browsing session. Messenger for Facebook™ is a consumer product aimed at firefox users who use Facebook Messenger. Messenger for Facebook™ is free to use. It runs on the web and embeddable surfaces.

Baris Derin builds and maintains Messenger for Facebook™, and it first shipped in 2012. Key capabilities include messenger sidebar, friend status, and instant chat. The interface is available in 32 languages, including Czech, German, and Greek.

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

Messenger sidebar
Friend status
Instant chat
Persistent sidebar
Facebook login

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

Nothing recorded for this listing in this window.

Frequently asked questions about Messenger for Facebook™

What is Messenger for Facebook™?: Messenger for Facebook™ focuses on chatting with Facebook friends without leaving the current browsing session. It is catalogued under Secure & encrypted messaging on PulseGate.
Who is Messenger for Facebook™ for?: Messenger for Facebook™ is a consumer product built for firefox users who use Facebook Messenger.
Does Messenger for Facebook™ have a free plan?: Yes — Messenger for Facebook™ is free to use.
What platforms does Messenger for Facebook™ run on?: Messenger for Facebook™ runs on the web and embeddable surfaces.
Is Messenger for Facebook™ still active?: Unverified. Messenger for Facebook™ 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 Messenger for Facebook™?: Similar projects tracked by PulseGate include Between, Couples Love Tracker, QuietWire, and TXTcrypt.Between, Couples Love Tracker QuietWire TXTcrypt
Who makes Messenger for Facebook™?: Messenger for Facebook™ is developed by Baris Derin.
How long has Messenger for Facebook™ been around?: Messenger for Facebook™ first shipped in 2012.

At a glance

Pricing: Free
Platforms: Web
First seen: 8 Sept 2026
Built for: Firefox users who use Facebook Messenger
Model: B2C
Solves: Chatting with Facebook friends without leaving the current browsing session.

Registered as

Firefox Add-ons: facebook-messenger

Developer

Baris Derin

Index record

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

Identity audit (12)

Slug: messenger-for-facebooktm-mozilla-org
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.
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/facebook-messenger

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Also in Secure & encrypted messaging

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