Who should use Platform spoofer?

Platform spoofer is an open-source project built for firefox users and web developers testing platform-dependent behavior.

What platforms does Platform spoofer run on?

Platform spoofer runs on the web and embeddable surfaces.

Is Platform spoofer still maintained?

Unverified. Platform spoofer 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 Platform spoofer?

Similar projects tracked by PulseGate include Agent Spoofer, User-Agent Spoofer, and falsh.

Who develops Platform spoofer?

Platform spoofer is developed by LeopoldTal.

When did Platform spoofer launch?

Platform spoofer first shipped in 2020.

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Platform spoofer

Name: Platform spoofer
Author: LeopoldTal

github.comBrowser DevTools & extensions

Platform spoofer is a small Firefox extension that overrides the navigator.platform value reported to websites. It is intended for users and developers who need to test or simulate platform-specific browser behavior.

Open SourceWebEmbeddable

Visit github.com

Overview

4 features

Platform spoofer sits in PulseGate's Browser DevTools & extensions category. It focuses on testing or accessing websites that depend on a browser's reported platform value. It is built as an open-source project for firefox users and web developers testing platform-dependent behavior. Platform spoofer is open source under the Open Source license. It ships for the web and embeddable surfaces.

It is developed by LeopoldTal, and it first shipped in 2020. Among its 4 catalogued features are platform spoofing, firefox extension, and navigator override.

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

Platform spoofing
Firefox extension
Navigator override
Website testing

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed19 Sep · 05:19 UTC
Platform spoofer verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Platform spoofer

What does Platform spoofer do?: Platform spoofer focuses on testing or accessing websites that depend on a browser's reported platform value. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Platform spoofer?: Platform spoofer is an open-source project built for firefox users and web developers testing platform-dependent behavior.
Does Platform spoofer have a free plan?: Yes — Platform spoofer is open source under the Open Source license and free to use.
What platforms does Platform spoofer run on?: Platform spoofer runs on the web and embeddable surfaces.
Is Platform spoofer still maintained?: Unverified. Platform spoofer 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 Platform spoofer?: Similar projects tracked by PulseGate include Agent Spoofer, User-Agent Spoofer, and falsh.Agent Spoofer User-Agent Spoofer falsh
Who develops Platform spoofer?: Platform spoofer is developed by LeopoldTal.
When did Platform spoofer launch?: Platform spoofer first shipped in 2020.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 19 Sep 2026
Built for: Firefox users and web developers testing platform-dependent behavior
Model: Open source
Solves: Testing or accessing websites that depend on a browser's reported platform value.

Registered as

Firefox Add-ons: platform-spoofer

Developer

LeopoldTal

Index record

Indexed: 19 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 19 Sep 2026

Identity audit (13)

Slug: platform-spoofer-github-com
Lifecycle state recorded: 19 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 19 Sep 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Written by a language model from the project's public pages.
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: 19 Sep 2026
Canonical URL: https://github.com/LeopoldTal/platform-spoofer

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