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Grid and Layout Overlay

mozilla.orgBrowser DevTools & extensions

PulseGate's liveness check found it on 15 Sep 2026; it is registered on Firefox Add-ons and has been in the index since 15 Sep 2026. How this is checked

Grid and Layout Overlay is a Firefox extension that places a customizable grid over webpages. It helps web designers and frontend developers inspect alignment, spacing, and layout consistency while building or reviewing websites.

Inferred · not functionally tested

FreeWebEmbeddablemacOSWindowsLinux
Grid and Layout Overlay preview
Visit mozilla.org

Overview

5 features

Purpose: Checking webpage alignment and layout consistency without manually estimating spacing and grid positions.

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, macos, windows, 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.

In the Browser DevTools & extensions space, Grid and Layout Overlay takes a focused approach. Inferred · not functionally tested: It focuses on checking webpage alignment and layout consistency without manually estimating spacing and grid positions. Inferred · not functionally tested: It is built as a B2B product for web designers and frontend developers. Basis unknown · not verified: It is available for free. Basis unknown · not verified: It ships for the web, embeddable surfaces, macOS, Windows, and Linux.

It is developed by Duran, and it first shipped in 2024. Inferred · not functionally tested: Key capabilities include Customizable Grid, Webpage Overlay, and Layout Inspection. 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

  • Customizable Grid
  • Webpage Overlay
  • Layout Inspection
  • Alignment Checking
  • Spacing Review

Topics: Inferred · not functionally tested

Tags
grid-overlaylayout-inspectionweb-designfrontend-tool

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserEmbeddablemacOSWindowsLinux

Trust & compliance

Public signals
HTTPSPrivacy PolicyTerms of ServiceFree tierMulti-languageStore listing found
Legal
Privacy Policy Terms of Service

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed15 Sep · 22:02 UTC
    Grid and Layout Overlay seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about Grid and Layout Overlay

What is Grid and Layout Overlay?
Inferred · not functionally tested: Grid and Layout Overlay focuses on checking webpage alignment and layout consistency without manually estimating spacing and grid positions. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Grid and Layout Overlay for?
Inferred · not functionally tested: Grid and Layout Overlay is a B2B product built for web designers and frontend developers.
Does Grid and Layout Overlay have a free plan?
Basis unknown · not verified: Yes — Grid and Layout Overlay is free to use.
What platforms does Grid and Layout Overlay run on?
Basis unknown · not verified: Grid and Layout Overlay runs on the web, embeddable surfaces, macOS, Windows, and Linux.
Is Grid and Layout Overlay still active?
PulseGate's liveness check found it on 15 Sep 2026.
What projects are similar to Grid and Layout Overlay?
Similar projects tracked by PulseGate include Grid Overlay, Grid Overlay, and Composition Grid.Grid OverlayGrid OverlayComposition Grid
Who develops Grid and Layout Overlay?
Grid and Layout Overlay is developed by Duran.
How long has Grid and Layout Overlay been around?
Grid and Layout Overlay first shipped in 2024.

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