Who should use Assinador Web?

Assinador Web is a B2B product built for SEFAZ-AM and Amazonas government service users.

Does Assinador Web have a free plan?

Yes — Assinador Web is free to use.

What platforms does Assinador Web run on?

Assinador Web runs on the web, embeddable surfaces, Windows, macOS, and Linux.

Is Assinador Web still active?

Unverified. Assinador Web 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 Assinador Web?

Similar projects tracked by PulseGate include Hashrate Lens, SaveAI, and Codex File Drop.

Who makes Assinador Web?

Assinador Web is developed by SEFAZ-AM, based in Brazil.

How long has Assinador Web been around?

Assinador Web first shipped in 2017.

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Assinador Web

Name: Assinador Web
Author: SEFAZ-AM

mozilla.orgBrowser DevTools & extensions🇧🇷

Assinador Web is a Firefox extension published by SEFAZ-AM that enables web applets to run outside the browser and exchange messages with local programs. It supports sites on am.gov.br, intra.sefaz.am.gov.br, and localhost.

FreeWebEmbeddableWindowsmacOSLinux

Visit mozilla.org

Overview

5 features

Assinador Web is a Browser DevTools & extensions project. It focuses on running SEFAZ-AM web applets and communicating with local programs from Firefox. It is built as a B2B product for SEFAZ-AM and Amazonas government service users. Assinador Web is free to use. It runs on the web, embeddable surfaces, Windows, macOS, and Linux.

SEFAZ-AM builds and maintains Assinador Web, and it first shipped in 2017. Among its 5 catalogued features are applet execution, local program messaging, and SEFAZ-AM site access. The interface is available in 32 languages, including Czech, German, and Greek.

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

Applet execution
Local program messaging
SEFAZ-AM site access
Localhost access
Firefox integration

Built with & integrations

Runs on

BrowserEmbeddableWindowsmacOSLinux

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed8 Sept · 14:47 UTC
Assinador Web verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Assinador Web

What is Assinador Web?: Assinador Web focuses on running SEFAZ-AM web applets and communicating with local programs from Firefox. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Assinador Web?: Assinador Web is a B2B product built for SEFAZ-AM and Amazonas government service users.
Does Assinador Web have a free plan?: Yes — Assinador Web is free to use.
What platforms does Assinador Web run on?: Assinador Web runs on the web, embeddable surfaces, Windows, macOS, and Linux.
Is Assinador Web still active?: Unverified. Assinador Web 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 Assinador Web?: Similar projects tracked by PulseGate include Hashrate Lens, SaveAI, and Codex File Drop.Hashrate Lens SaveAI Codex File Drop
Who makes Assinador Web?: Assinador Web is developed by SEFAZ-AM, based in Brazil.
How long has Assinador Web been around?: Assinador Web first shipped in 2017.

At a glance

Pricing: Free
Platforms: Web
First seen: 8 Sept 2026
Built for: SEFAZ-AM and Amazonas government service users
Model: B2B
Solves: Running SEFAZ-AM web applets and communicating with local programs from Firefox.

Registered as

Firefox Add-ons: assinador-web

Developer

🇧🇷SEFAZ-AM

Index record

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

Identity audit (13)

Slug: assinador-web-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.
Last updated: 8 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/assinador-web

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