Who should use MediaInspector?

MediaInspector is a B2B product built for web developers and online media publishers.

Is MediaInspector free?

Yes — MediaInspector is free to use.

What platforms does MediaInspector run on?

MediaInspector runs on the web and embeddable surfaces.

Is MediaInspector still maintained?

Unverified. MediaInspector 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 MediaInspector?

Similar projects tracked by PulseGate include Inspector, Media Snooper, and SEO Meta Inspector.

Who develops MediaInspector?

MediaInspector is developed by vdh.

How long has MediaInspector been around?

MediaInspector first shipped in 2024.

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MediaInspector

Name: MediaInspector
Author: vdh

mozilla.orgBrowser DevTools & extensions

MediaInspector is a Firefox extension for developers that analyzes the binary content of HTML video and audio elements. It extracts container, codec, stream, bitrate, dimension, duration, and timing metadata through a context-menu action.

FreeWebEmbeddable

Visit mozilla.org

Overview

9 features

MediaInspector is a Browser DevTools & extensions project. It focuses on inspecting the container, codec, stream, and timing details of media embedded in web pages. MediaInspector is a B2B product aimed at web developers and online media publishers. MediaInspector is free to use. It runs on the web and embeddable surfaces.

It is developed by vdh, and it first shipped in 2024. Among its 9 catalogued features are media metadata inspection, codec analysis, and stream analysis. The interface is available in 32 languages, including Czech, German, and Greek.

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

Media metadata inspection
Codec analysis
Stream analysis
Container analysis
Bitrate details
Duration details
Dimension details
Timing data
Context-menu access

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

Indexed10 Sep · 22:03 UTC
MediaInspector verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about MediaInspector

What is MediaInspector?: MediaInspector focuses on inspecting the container, codec, stream, and timing details of media embedded in web pages. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use MediaInspector?: MediaInspector is a B2B product built for web developers and online media publishers.
Is MediaInspector free?: Yes — MediaInspector is free to use.
What platforms does MediaInspector run on?: MediaInspector runs on the web and embeddable surfaces.
Is MediaInspector still maintained?: Unverified. MediaInspector 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 MediaInspector?: Similar projects tracked by PulseGate include Inspector, Media Snooper, and SEO Meta Inspector.Inspector Media Snooper SEO Meta Inspector
Who develops MediaInspector?: MediaInspector is developed by vdh.
How long has MediaInspector been around?: MediaInspector first shipped in 2024.

At a glance

Pricing: Free
Platforms: Web
Built for: web developers and online media publishers
Model: B2B
Solves: Inspecting the container, codec, stream, and timing details of media embedded in web pages.

Registered as

Firefox Add-ons: mediainspector

Developer

vdh

Index record

Indexed: 10 Sep 2026
Lifecycle: Alive
Last seen: 10 Sep 2026

Identity audit (13)

Slug: mediainspector-mozilla-org
Lifecycle state recorded: 10 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 10 Sep 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: 10 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/mediainspector

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