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Preview of SEP+

SEP+ by Andrew Shen

Improve the Stanford Encyclopedia of Philosophy reading experience

Available on Firefox for Android™Available on Firefox for Android™
5 (1 review)5 (1 review)
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Extension Metadata

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Reduce distractionsFind entries instantlyAnnotate passagesRead in dark modeQuickly preview citations
About this extension
SEP+ is a browser extension that gives the Stanford Encyclopedia of Philosophy a modern, distraction-free reading experience.
  • Redesigned typography, layout, header, homepage, and search for better readability
  • Light, dark, and system themes
  • Persistent sidebar with the entry's table of contents and site navigation
  • Command palette to instantly search and jump to any entry
  • Footnotes and bibliography citations appear in hover previews, so you never lose your place
  • Highlight passages or add notes, and export them anytime as JSON or Markdown.
  • Print-optimized articles

Your highlights and notes are stored locally in your browser. Export a backup before uninstalling.

SEP+ only has access to plato.stanford.edu and will never serve ads or collect user data.
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Permissions and data

Required permissions:

  • Access your data for plato.stanford.edu

Optional permissions:

  • Access your data for plato.stanford.edu

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
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Version
2.0.1
Size
277.78 KB
Last updated
11 days ago (Nov 1, 2026)
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License
MIT License
Version History
  • See all versions
Tags
  • dark mode
  • search
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