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Preview Docs

mozilla.orgBrowser DevTools & extensions

PulseGate's liveness check found it on 19 Sep 2026; it is registered on Firefox Add-ons and has been in the index since 19 Sep 2026. How this is checked

Preview Docs is a Firefox browser extension that displays interactive previews when users hover over links to documents, videos, audio, and other files. It supports formats including PDF, Office documents, WebM, MP4, GIFV, OGG, MP3, and WAV, with configurable preview services and content limits.

Inferred · not functionally tested

FreeWebEmbeddable
Preview Docs preview
Visit mozilla.org
1alternative
8features
2019since

Overview

6 features

Purpose: Previewing linked documents and media before downloading them.

Inferred · not functionally tested

Audience: Firefox users who download documents and media

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

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.

Preview Docs is a Browser DevTools & extensions project. Inferred · not functionally tested: It focuses on previewing linked documents and media before downloading them. Inferred · not functionally tested: It is built as a consumer product for firefox users who download documents and media. Basis unknown · not verified: It is available for free. Basis unknown · not verified: It ships for the web and embeddable surfaces.

Francesco De Stefano builds and maintains Preview Docs, and it first shipped in 2019. Inferred · not functionally tested: Key capabilities include document previews, PDF previews, and office previews. 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

  • Document previews
  • PDF previews
  • Office previews
  • Video previews
  • Audio previews
  • Hover previews

Topics: Inferred · not functionally tested

Tags
firefox-extensiondocument-previewmedia-previewdownload-management

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserEmbeddable

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. Indexed19 Sep · 06:56 UTC
    Preview Docs seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about Preview Docs

What is Preview Docs?
Inferred · not functionally tested: Preview Docs focuses on previewing linked documents and media before downloading them. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Preview Docs?
Inferred · not functionally tested: Preview Docs is a consumer product built for firefox users who download documents and media.
Does Preview Docs have a free plan?
Basis unknown · not verified: Yes — Preview Docs is free to use.
What platforms does Preview Docs run on?
Basis unknown · not verified: Preview Docs runs on the web and embeddable surfaces.
Is Preview Docs still active?
PulseGate's liveness check found it on 19 Sep 2026.
What projects are similar to Preview Docs?
Similar projects tracked by PulseGate include Document Previewer, Online Docs Viewer, and Always Preview (obsolete).Document PreviewerOnline Docs ViewerAlways Preview (obsolete)
Who develops Preview Docs?
Preview Docs is developed by Francesco De Stefano.
When did Preview Docs launch?
Preview Docs first shipped in 2019.

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