Who is PDF Merge Tool for?

PDF Merge Tool is a consumer product built for firefox users who need to merge PDF documents.

Is PDF Merge Tool free?

Yes — PDF Merge Tool is free to use.

What platforms does PDF Merge Tool run on?

PDF Merge Tool runs on the web and embeddable surfaces.

Is PDF Merge Tool still active?

Unverified. PDF Merge Tool 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 PDF Merge Tool?

Similar projects tracked by PulseGate include PDF Merger and Compressor, Merge PDF, and PDF Merge Tools.

Who makes PDF Merge Tool?

PDF Merge Tool is developed by Kaely.

How long has PDF Merge Tool been around?

PDF Merge Tool first shipped in 2024.

Back to the index

PDF Merge Tool

Name: PDF Merge Tool
Author: Kaely

mozilla.orgPDF editors & office suites

PDF Merge Tool is a Firefox browser extension that combines multiple PDF files into a single document directly in the browser. It is intended for users who need a lightweight way to merge PDFs without downloading them to a separate application.

FreeWebEmbeddable

Visit mozilla.org

1alternative

4features

2024since

Overview

4 features

PDF Merge Tool sits in PulseGate's PDF editors & office suites category. It focuses on combining multiple PDF files into a single document without downloading them or using a separate application. It is built as a consumer product for firefox users who need to merge PDF documents. PDF Merge Tool costs nothing to use. It runs on the web and embeddable surfaces.

It is developed by Kaely, and it first shipped in 2024. Among its 4 catalogued features are PDF merging, browser-based processing, and multiple file support. The interface is available in 32 languages, including Czech, German, and Greek.

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

PDF merging
Browser-based processing
Multiple file support
Single document output

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

Indexed11 Sept · 08:51 UTC
PDF Merge Tool verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about PDF Merge Tool

What is PDF Merge Tool?: PDF Merge Tool focuses on combining multiple PDF files into a single document without downloading them or using a separate application. It is catalogued under PDF editors & office suites on PulseGate.
Who is PDF Merge Tool for?: PDF Merge Tool is a consumer product built for firefox users who need to merge PDF documents.
Is PDF Merge Tool free?: Yes — PDF Merge Tool is free to use.
What platforms does PDF Merge Tool run on?: PDF Merge Tool runs on the web and embeddable surfaces.
Is PDF Merge Tool still active?: Unverified. PDF Merge Tool 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 PDF Merge Tool?: Similar projects tracked by PulseGate include PDF Merger and Compressor, Merge PDF, and PDF Merge Tools.PDF Merger and Compressor Merge PDF PDF Merge Tools
Who makes PDF Merge Tool?: PDF Merge Tool is developed by Kaely.
How long has PDF Merge Tool been around?: PDF Merge Tool first shipped in 2024.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who need to merge PDF documents
Model: B2C
Solves: Combining multiple PDF files into a single document without downloading them or using a separate application.

Registered as

Firefox Add-ons: pdf-merge-tool

Developer

Kaely

Index record

Indexed: 11 Sept 2026
Lifecycle: Alive
Last seen: 11 Sept 2026

Identity audit (13)

Slug: pdf-merge-tool-mozilla-org
Lifecycle state recorded: 11 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 11 Sept 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: 11 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/pdf-merge-tool

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