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Image Composition Overlay

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

Image Composition Overlay is a Firefox extension that draws photographic composition guidelines over images through the browser context menu. It supports composition rules for photographers and is distributed under the MIT License.

Inferred · not functionally tested

Open SourceWebEmbeddablemacOSWindowsLinux
Image Composition Overlay preview
Visit mozilla.org

Overview

4 features

Purpose: Helping photographers visualize composition guidelines over images while browsing.

Inferred · not functionally tested

Audience: Firefox users and photographers

Inferred · not functionally tested

Functions: Unknown

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

Recorded constraints: pricing: open_source · license: Open Source · 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, Image Composition Overlay takes a focused approach. Inferred · not functionally tested: It focuses on helping photographers visualize composition guidelines over images while browsing. Inferred · not functionally tested: Image Composition Overlay is an open-source project aimed at firefox users and photographers. Basis unknown · not verified: Image Composition Overlay is open source under the Open Source license. Basis unknown · not verified: It ships for the web, embeddable surfaces, macOS, Windows, and Linux.

It is developed by Dafterfly, and it first shipped in 2025. Inferred · not functionally tested: Among its 4 catalogued features are context menu action, composition guidelines, and image overlays. 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

  • Context menu action
  • Composition guidelines
  • Image overlays
  • Firefox integration

Topics: Inferred · not functionally tested

Tags
photography-toolscomposition-guidesfirefox-extensionimage-overlays

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserEmbeddablemacOSWindowsLinux

Trust & compliance

License
Open Source
Public signals
HTTPSPrivacy PolicyTerms of ServiceOpen SourceFree tierMulti-languageStore listing found
Legal
Privacy Policy Terms of Service

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed18 Sep · 10:43 UTC
    Image Composition Overlay seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about Image Composition Overlay

What is Image Composition Overlay?
Inferred · not functionally tested: Image Composition Overlay focuses on helping photographers visualize composition guidelines over images while browsing. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Image Composition Overlay for?
Inferred · not functionally tested: Image Composition Overlay is an open-source project built for firefox users and photographers.
Is Image Composition Overlay free?
Basis unknown · not verified: Yes — Image Composition Overlay is open source under the Open Source license and free to use.
What platforms does Image Composition Overlay run on?
Basis unknown · not verified: Image Composition Overlay runs on the web, embeddable surfaces, macOS, Windows, and Linux.
Is Image Composition Overlay still active?
PulseGate's liveness check found it on 18 Sep 2026.
Who makes Image Composition Overlay?
Image Composition Overlay is developed by Dafterfly.
How long has Image Composition Overlay been around?
Image Composition Overlay first shipped in 2025.
Is Image Composition Overlay open source?
Basis unknown · not verified: Yes — Image Composition Overlay is open source under the Open Source license.

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