Peek: Preview PDFs, Office files, and more

Peek: Preview PDFs, Office files, and more

Preview documents, videos, music, and more with a mouse hover.

Peek: Preview PDFs, Office files, and more promo image
What is Peek: Preview PDFs, Office files, and more?

Peek is a Firefox add-on that allows users to preview documents, videos, music, and more by hovering their mouse over links. It supports various file types and services, including PDFs, Microsoft Office documents, YouTube videos, and Google Docs. Peek utilizes built-in rendering features and embedded viewers to display rich previews. The add-on is open source under the GPL license.

Merlin
Stats
Users: 255 ▼ -1
Rating: 4.18 (11)
Version: 6.0 (Last updated: 2023-11-05)
Creation date: 2019-07-07
Weekly download count: 13
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 3
Permissions:
  • storage
Host permissions:
  • *://*/*
Size: 211.44K
URLs: Website
Stats date:

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Not available on Chrome
Not available on Edge
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Merlin
Summary

Peek is a browser extension that shows previews for links to files and supported services in web pages. Just hover your mouse over a link, and Peek will display a small popup with an interactive preview of the link's content.

Peek can show previews for PDFs, Microsoft Office documents, YouTube video links, audio files, Google Docs, and much more. It uses the browser's built-in rendering features, in combination with the Google Docs Viewer, Microsoft Office Web Viewer, and other third-party embedded viewers to display rich previews.

Supported file types:

  • PDF, TXT, and RTF documents
  • WebM, MP4, M4V, OGG, OGV, and Imgur GIFV video
  • MP3, M4A, OGA, OGG, and WAV audio
  • Word documents (.doc, .docx)
  • Excel spreadsheets (.xls, .xlsx)
  • PowerPoint files (.ppt, .pptx)
  • OpenDocument files (.odt, .ods, etc.)
  • JPG, PNG, APNG, SVG, GIF, ICO, and BMP images
Supported links:
  • Google Docs links
  • iCloud Keynote links
  • YouTube videos and YouTube Shorts
  • Reddit links
  • Imgur links
  • TikTok videos
Peek is open source under the GPL license. The code is available here: https://github.com/corbindavenport/peek
User reviews
Wonderful! Unfortunate that it doesn't support Twitter/X posts, since that site takes ages to load, but I'll take what I can get.
by Jump, 2023-12-31
View all user reviews
Safety
Risk impact

Peek: Preview PDFs, Office files, and more is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Peek: Preview PDFs, Office files, and more if you trust the publisher.

Risk likelihood

Peek: Preview PDFs, Office files, and more is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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Screenshots