Who is Open Graph Preview for?

Open Graph Preview is a B2B product built for web developers and website owners.

Is Open Graph Preview free?

Yes — Open Graph Preview is free to use.

What platforms does Open Graph Preview run on?

Open Graph Preview runs on the web and embeddable surfaces.

Is Open Graph Preview still active?

Unverified. Open Graph Preview 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 Open Graph Preview?

Similar projects tracked by PulseGate include Meta and OG Preview, OpenGraphs, and MyOG.social.

Who makes Open Graph Preview?

Open Graph Preview is developed by apiaget.

How long has Open Graph Preview been around?

Open Graph Preview first shipped in 2018.

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Open Graph Preview

Name: Open Graph Preview
Author: apiaget

mozilla.orgBrowser DevTools & extensions

Open Graph Preview is a Firefox extension that renders an approximate social sharing preview for a webpage using its Open Graph tags. It helps web developers and site owners identify missing or incorrect metadata before sharing pages.

FreeWebEmbeddable

Visit mozilla.org

Overview

5 features

In the Browser DevTools & extensions space, Open Graph Preview takes a focused approach. It focuses on checking whether a webpage's Open Graph metadata produces the intended social sharing preview. It is built as a B2B product for web developers and website owners. Open Graph Preview costs nothing to use. Open Graph Preview is available on the web and embeddable surfaces.

apiaget builds and maintains Open Graph Preview, and it first shipped in 2018. Among its 5 catalogued features are Open Graph preview, metadata detection, and missing tag alerts. The interface is available in 32 languages, including Czech, German, and Greek.

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

Open Graph preview
Metadata detection
Missing tag alerts
Social preview rendering
Firefox integration

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

Indexed8 Sept · 17:09 UTC
Open Graph Preview verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Open Graph Preview

What is Open Graph Preview?: Open Graph Preview focuses on checking whether a webpage's Open Graph metadata produces the intended social sharing preview. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Open Graph Preview for?: Open Graph Preview is a B2B product built for web developers and website owners.
Is Open Graph Preview free?: Yes — Open Graph Preview is free to use.
What platforms does Open Graph Preview run on?: Open Graph Preview runs on the web and embeddable surfaces.
Is Open Graph Preview still active?: Unverified. Open Graph Preview 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 Open Graph Preview?: Similar projects tracked by PulseGate include Meta and OG Preview, OpenGraphs, and MyOG.social.Meta and OG Preview OpenGraphs MyOG.social
Who makes Open Graph Preview?: Open Graph Preview is developed by apiaget.
How long has Open Graph Preview been around?: Open Graph Preview first shipped in 2018.

At a glance

Pricing: Free
Platforms: Web
First seen: 8 Sept 2026
Built for: web developers and website owners
Model: B2B
Solves: Checking whether a webpage's Open Graph metadata produces the intended social sharing preview.

Registered as

Firefox Add-ons: open-graph-preview-and-debug

Developer

apiaget

Index record

Indexed: 8 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 8 Sept 2026

Identity audit (13)

Slug: open-graph-preview-mozilla-org
Lifecycle state recorded: 8 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 8 Sept 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
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: 8 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/open-graph-preview-and-debug

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