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Compare webpages and videos across tabs with AI, then summarize and ask follow-up questions with your own API key. Page Copilot by Alon helps you compare webpages and videos across tabs with AI. Use it to compare articles, products, viewpoints, and video content without copying everything into a separate chat app. It can also summarize the current page, answer grounded follow-up questions, and work with readable transcripts from YouTube and Bilibili when captions are available. Page Copilot is open-source and local-first. There is no built-in account system: bring your own Claude or Zhipu GLM API key. More providers can be added over time. What makes it useful - Compare articles, products, or viewpoints across pages - Compare YouTube and Bilibili videos on the same topic - Summarize the current page and ask follow-up questions - Work with readable video transcripts when captions are available - Translate or explain selected text instantly - Bring your own Claude or Zhipu GLM API key - Open-source and local-first - No account required Common use cases - Compare the key differences between two pages - Ask what several articles agree and disagree on - Compare YouTube and Bilibili videos on the same topic - Compare two product pages before making a decision - Summarize a long article and ask for the key takeaways - Read a technical page and ask for plain-language explanations - Review several sources and ask for differences, tradeoffs, or conclusions Feedback - GitHub: https://github.com/alondotsh/Page_Copilot - For updates or informal feedback: - X: @alondotsh - WeChat Official Account: alondotsh - Bug reports, usage questions, and feature requests: https://github.com/alondotsh/Page_Copilot/issues
Apr 29, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.