Gist AI
Free Chrome extension to summarize websites, YouTube, and PDFs via ChatGPT.
A genuinely free, no-catch tool for quick summaries of web, video, and PDF content. Best for students and casual users who need unlimited, simple summarization. Power users may miss customization options and mobile support.
- Students who need to quickly digest long articles and textbooks
- Professionals wanting to summarize lengthy reports and documents
- Researchers looking for concise overviews of papers and books
- Busy individuals skimming YouTube video content efficiently
- Users who need a mobile or desktop app (Chrome extension only)
- Those requiring API access for automation
- Advanced users needing customizable summary length or tone
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In short
Gist AI — Free Chrome extension to summarize websites, YouTube, and PDFs via ChatGPT. Best for Students who need to quickly digest long articles and textbooks, Professionals wanting to summarize lengthy reports and documents, Researchers looking for concise overviews of papers and books. Free to use.
Viability Score
How likely is Gist AI to still be operational in 12 months? Based on 4 signals — momentum (how recently it shipped), wrapper dependency, revenue model, and web presence.
Last calculated: July 2026
How we score →Key Features
- Summarize any website with one click
- Summarize YouTube videos via transcript extraction
- Summarize online and local PDFs
- No limit on content length (books, papers)
- 30+ language support for summaries
- Read More feature to drill into summary source
- Jump to specific YouTube timestamps from summary
- Breaks long content into smaller blocks
- Privacy-focused: no data collection or storage
- Free extension with no usage caps
- Powered by ChatGPT AI
- Chrome browser extension only
About Gist AI
Gist AI is a free Chrome extension that uses ChatGPT to instantly summarize websites, YouTube videos, and PDFs — both online and local. It imposes no length limits, making it ideal for long articles, research papers, and even books. The tool extracts key points in over 30 languages, and offers interactive features like "Read More" to dive deeper into specific summary points and direct timestamp jumps for YouTube videos. Designed for students, professionals, and researchers, Gist AI is privacy-focused — it reads content only for summarization and stores no user data. Unlike many summarizers that charge per use or limit content length, Gist AI is completely free with unlimited summaries, though it currently lacks mobile apps, API access, or offline functionality.
Behind the Verdict
We'd reach for Gist AI when speed and cost are the main concerns. It's rare to find a summarizer that handles websites, YouTube, and PDFs — all for free, with no length cap. The "Read More" feature and YouTube timestamp jumps are thoughtful touches that go beyond basic summarization. Where it bites is the lack of mobile or desktop apps, no API for automation, and minimal customization over summary style or length. Compared to other free summarizers like SMMRY or TLDR This, Gist AI offers broader input types (YouTube, local PDFs) and better interactivity. However, if you need offline use or prefer a native app, you'll want to look elsewhere. For a student grinding through research papers or a professional skimming daily articles, it's hard to beat.
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Use Cases
- Summarize long research papers and textbooks for quick study review.
- Extract key insights from multiple business reports in minutes.
- Get a condensed overview of YouTube tutorials before watching the full video.
- Quickly understand the main points of news articles or blog posts.
- Summarize PDF contracts or legal documents to identify key clauses.
- Assist non-native speakers by summarizing complex content in simpler language.
Models Under the Hood
as of 2026-07-15
Limitations
- Gist AI is only available as a Google Chrome extension, limiting use to Chrome desktop browser.
- It relies on internet access to fetch transcripts and process summaries via ChatGPT.
- While there are no explicit rate limits, the free model may have undisclosed caps on usage frequency.
- The tool does not support custom summary parameters (style, length) and may occasionally produce summaries that need cross-checking for plagiarism.
12-month cost
Project the real annual outlay, including the implied monthly cost when only an annual tier is published.
Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.
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