PageNexus by paulista.systems
Paginates long articles using Readability.js, optimizing content for Firefox's AI sidebar by reducing page context and preventing AI character limit errors.
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About this extension
PageNexus extracts and paginates web articles using Mozilla's Readability.js library, providing a clean, distraction-free reading experience.
Key Features:
- Smart Content Extraction: Uses Readability.js to extract the main article, removing ads, sidebars, and other distractions.
- Intelligent Pagination: Divides long content into manageable pages while respecting HTML element boundaries (paragraphs, headings).
- Auto-Copy to Clipboard: Automatically copies the current page content to the clipboard when navigating between pages, making it easy to paste into AI assistants.
- AI Sidebar Optimization: Limits content sent to Firefox's native AI, preventing 400 errors on large pages.
- Clean Reading Format: Displays content with readable styling—serif font, good spacing, single-column layout.
- Easy Navigation: Simple "Next Page" and "Previous Page" buttons, plus an option to restore the original view.
Configurable Settings:
- Characters per page (default: 2500)
- AI character limit (default: 10,000)
Perfect for users who want to summarize long articles using Firefox's AI sidebar without running into character limit issues.
Key Features:
- Smart Content Extraction: Uses Readability.js to extract the main article, removing ads, sidebars, and other distractions.
- Intelligent Pagination: Divides long content into manageable pages while respecting HTML element boundaries (paragraphs, headings).
- Auto-Copy to Clipboard: Automatically copies the current page content to the clipboard when navigating between pages, making it easy to paste into AI assistants.
- AI Sidebar Optimization: Limits content sent to Firefox's native AI, preventing 400 errors on large pages.
- Clean Reading Format: Displays content with readable styling—serif font, good spacing, single-column layout.
- Easy Navigation: Simple "Next Page" and "Previous Page" buttons, plus an option to restore the original view.
Configurable Settings:
- Characters per page (default: 2500)
- AI character limit (default: 10,000)
Perfect for users who want to summarize long articles using Firefox's AI sidebar without running into character limit issues.
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Permissions and data
Required permissions:
- Input data to the clipboard
- Access browser tabs
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 0.3.1
- Size
- 45.18 KB
- Last updated
- 3 months ago (Jan 16, 2026)
- Related Categories
- License
- MIT License
- Version History
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