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Browser Windows Size

mozilla.orgBrowser DevTools & extensions

PulseGate's liveness check found it on 18 Sep 2026; it is registered on Firefox Add-ons and has been in the index since 18 Sep 2026. How this is checked

Browser Windows Size is a Firefox extension that reports the width and height of the browser window in real time. It is intended for web designers and developers who need to check browser dimensions while testing websites.

Inferred · not functionally tested

FreeWebEmbeddableWindowsmacOSLinux
Browser Windows Size preview
Visit mozilla.org
1alternative
5features
2020since

Overview

5 features

Purpose: Measuring the width and height of a browser window during website design and testing.

Inferred · not functionally tested

Audience: web designers and frontend developers

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: free · license: Proprietary · platforms: WEB · deployment: browser, embeddable, windows, macos, linux

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: addons.mozilla.org · addons.mozilla.org. These links do not verify the individual claims.

Browser Windows Size is a Browser DevTools & extensions project. Inferred · not functionally tested: It focuses on measuring the width and height of a browser window during website design and testing. Inferred · not functionally tested: Browser Windows Size is a consumer product aimed at web designers and frontend developers. Basis unknown · not verified: Browser Windows Size costs nothing to use. Basis unknown · not verified: Browser Windows Size is available on the web, embeddable surfaces, Windows, macOS, and Linux.

Mehrshad Farzaneh builds and maintains Browser Windows Size, and it first shipped in 2020. Inferred · not functionally tested: Key capabilities include window width display, window height display, and real-time dimensions. The interface is available in 32 languages, including Czech, German, and Greek.

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

Tasks: Inferred · not functionally tested

  • Window width display
  • Window height display
  • Real-time dimensions
  • Browser tab access
  • Desktop browser support

Topics: Inferred · not functionally tested

Tags
firefox-extensionviewport-measurementweb-design-toolsbrowser-dimensions

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserEmbeddableWindowsmacOSLinux

Trust & compliance

Public signals
HTTPSPrivacy PolicyTerms of ServiceFree tierMulti-languageStore listing found

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed18 Sep · 10:51 UTC
    Browser Windows Size seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about Browser Windows Size

What is Browser Windows Size?
Inferred · not functionally tested: Browser Windows Size focuses on measuring the width and height of a browser window during website design and testing. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Browser Windows Size for?
Inferred · not functionally tested: Browser Windows Size is a consumer product built for web designers and frontend developers.
Does Browser Windows Size have a free plan?
Basis unknown · not verified: Yes — Browser Windows Size is free to use.
What platforms does Browser Windows Size run on?
Basis unknown · not verified: Browser Windows Size runs on the web, embeddable surfaces, Windows, macOS, and Linux.
Is Browser Windows Size still active?
PulseGate's liveness check found it on 18 Sep 2026.
What projects are similar to Browser Windows Size?
Similar projects tracked by PulseGate include Display Window Size, showWindowSize, and Window Resize.Display Window SizeshowWindowSizeWindow Resize
Who develops Browser Windows Size?
Browser Windows Size is developed by Mehrshad Farzaneh.
When did Browser Windows Size launch?
Browser Windows Size first shipped in 2020.

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