Recap
Last Updated on: Feb 21, 2026
Recap
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What is Recap?
Recap is an open-source browser extension that lets you smartly split and summarize any portion of any webpage using ChatGPT, directly from your browser. Designed for readers, researchers, and knowledge workers, it simplifies long or complex pages into clear, concise takeaways without leaving the tab. Users can quickly select the section they care about, trigger a summary, and get a distilled version powered by their chosen ChatGPT or OpenAI model. By focusing on flexibility and transparency, Recap makes AI-assisted reading more controllable, customizable, and privacy-aware.
Who can use Recap & how?
  • Students & Researchers: Summarize articles, papers, and documentation to grasp key ideas faster while studying or investigating topics.
  • Knowledge Workers: Turn long reports, internal docs, and knowledge base pages into digestible overviews in a few clicks.
  • Content Curators & Writers: Quickly extract main points from source material to support ideation, outlines, or fact-checking.
  • Productivity Enthusiasts: Use AI summaries to process newsletters, blogs, and updates more efficiently during daily browsing.
  • Developers & Tech Readers: Skim technical documentation and changelogs with targeted summaries of only the sections that matter.

How to Use Recap?
  • Install the Extension: Add Recap to your Chromium-based browser from the extension store and pin it for quick access.
  • Select Content on a Page: Highlight or choose the portion of a webpage you want summarized instead of sending the entire page.
  • Trigger a Summary with ChatGPT: Open the Recap panel to generate a concise summary using the ChatGPT model configured in your settings.
  • Customize Models & Settings: Choose between ChatGPT in the web app or your own OpenAI API model and host to better fit your workflow.
What's so unique or special about Recap?
  • Smart Split Summarization: Focuses on any specific part of a page so summaries stay relevant to what you are actually reading.
  • Open-Source Transparency: The extension is open source, giving users visibility into how it works and more confidence in usage.
  • Model Flexibility: Supports both ChatGPT from the web app and configurable OpenAI API models, plus custom API hosts.
  • Advanced Features like Chain of Density: Offers options such as Chain of Density summarization for richer, information-dense outputs.
  • Continuous Improvements: Regular changelog updates bring fixes, new options, and UI refinements for a smoother experience.
Things We Like
  • Lets you summarize only the relevant part of any webpage with ChatGPT.
  • Open-source nature adds transparency and trust.
  • Supports different OpenAI models and even custom hosts.
  • Extra features like Chain of Density enable higher-quality summaries.
Things We Don't Like
  • Depends on external AI services, so quality and speed can vary.
  • Requires setup of API options for more advanced use cases.
  • Best suited to Chromium-based browsers, limiting some users.
  • Users still need to verify critical information from summaries.
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FAQs

Recap is an open-source browser extension that allows you to smartly split and summarize any part of a webpage using ChatGPT, helping you digest online content faster.
Recap sends the selected portion of the page to ChatGPT, which then returns a concise summary inside the extension’s interface or panel.
You can choose between using the ChatGPT web app or configuring Recap to use the OpenAI API, including selecting different models.
Yes, Recap supports setting a custom OpenAI API host, giving advanced users more flexibility and control over where requests are sent.
Chain of Density is an added summarization option that helps produce summaries that are more information-dense while remaining readable.

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This page was researched and written by the ATB Editorial Team. Our team researches each AI tool by reviewing its official website, testing features, exploring real use cases, and considering user feedback. Every page is fact-checked and regularly updated to ensure the information stays accurate, neutral, and useful for our readers.

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