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Peek: Preview PDFs, Office files, and more version history - 5 versions

Peek: Preview PDFs, Office files, and more by Corbin Davenport

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Peek: Preview PDFs, Office files, and more version history - 5 versions

  • Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.

  • Latest version

    Version 6.1

    Released Nov 24, 2025 - 391.27 KB
    Works with firefox 109.0a1 and later
    • Updated design with translucent background
    • Apple Music previews now supported (albums and single tracks)
    • Apple Podcasts previews now supported (shows and episodes)
    • YouTube Music previews now supported (single tracks)
    • YouTube video previews are more reliable and support timestamps
    • Spotify link previews now properly support albums, podcast shows, and podcast episodes
    • No longer shows previews on Google Search, Microsoft Teams, and Slack due to rendering bugs
    • No longer shows image previews for links containing images
    • Fixed scrollbar not appearing on Mastodon post previews

    Source code released under GNU General Public License v3.0 only

    Download Firefox and get the extension
    Download file

  • Older versions

    Version 6.0

    Released Nov 5, 2023 - 206.48 KB
    Works with firefox 109.0a1 and later
    - New pop-out button on previews that moves the preview to a popup window or browser tab
    - Added previews for Mastodon posts
    - Added previews for Facebook posts
    - Added previews for Instagram posts and Reels
    - Added previews for Spotify links
    - Added previews for Threads posts
    - Fixed bug where empty preview would appear on link to Imgur home page

    Source code released under GNU General Public License v3.0 only

    Download file

  • Version 5.0

    Released Mar 26, 2023 - 186.84 KB
    Works with firefox 109.0a1 and later
    - New simplified logo and toolbar icon
    - Popup preview has been redesigned, with both light and dark mode support
    - Added previews for links to YouTube Shorts
    - Added previews for links to Imgur posts
    - Added previews for TikTok videos
    - Welcome and settings pages have been redesigned
    - Previews for Reddit links now use Reddit's advanced embed code
    - Previews are now loaded in sandboxed IFrames where possible (improves security and disables some in-preview links and fullscreen buttons)
    - Fixed previews for YouTube shortlinks (youtu.be) not working
    - Fixed bad URL handling
    - Removed setting for adjusting preview size, preview size is now dynamic for each type of content
    - Now runs as a Manifest V3 extension
    - Updated Bootstrap, DOMPurify, Popper, and Tippy libraries to latest versions

    Source code released under GNU General Public License v3.0 only

    Download file

  • Version 4.0

    Released Feb 13, 2021 - 1.02 MB
    Works with firefox 48.0 and later
    - New logo by Mason Conrad
    - YouTube and Reddit links are now supported
    - OpenDocument files (.odt, .ods, .odp) now supported
    - New setting for changing size of popup previews
    - Cleaned up code

    Source code released under GNU General Public License v3.0 only

    Download file

  • Version 3.0

    Released Jul 7, 2019 - 102.46 KB
    Works with firefox 48.0 and later

    Source code released under GNU General Public License v3.0 only

    Download file