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Gistai

Gistai

Gist AI is a free Chrome extension that uses ChatGPT to instantly summarize websites, YouTube videos and PDFs (including local files), with features to deep-dive into sources and jump to relevant video moments.

Gistai is research software teams evaluate for education & research. Use this page to review pricing, integration signals, and the best alternatives before you commit.

Free
#69 in Research (69 tools)
Added 4 months ago
Data reviewed Jul 16, 2026

Profile facts come from the vendor source. AiMatch labels unknown pricing or API details instead of estimating them.

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Quick Overview

Best for: Education & Research

What it does

Research software for decision-makers comparing workflow fit and alternatives.

Best fit

Education & Research

Pricing snapshot

Free from Free

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Gistai

Gist AI is a Chrome extension that instantly summarizes websites, YouTube videos and PDFs using ChatGPT. It supports online PDFs as well as PDFs stored locally on a user's device and extracts transcripts from YouTube to produce text summaries. The extension emphasizes quick extraction of key points, the ability to deep-dive into the source of summaries via a 'Read More' feature, and jumping directly to relevant moments in YouTube videos. Gist AI is presented as a free tool that imposes no length restriction on content to be summarized.

Gist AI is a free Chrome extension that uses ChatGPT to instantly summarize websites, YouTube videos and PDFs (including local files), with features to deep-dive into sources and jump to relevant video moments.

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Key Features

One-click summarization

Instantly extracts key points from long articles, YouTube videos or PDFs with a single click.

Read More (deep-dive)

A 'Read More' feature allows users to deep-dive into the source material behind a summary for additional context and clarity.

Jump-to-video moments

Skim a YouTube video summary and jump directly to the core segments of the video that are relevant.

PDF support (online and local)

Summarizes PDFs found online as well as PDFs uploaded from the user's device via the PDF tab.

Research-backed comprehension technique

Breaks long content into smaller parts to improve understanding and focus according to the site.

Pricing

Free Tier Available

Completely free AI summarizer that can summarize websites, YouTube videos and PDFs (online and local) with no length restriction.

Free

Free
  • Summarize websites, YouTube videos and online or local PDFs
  • No length restriction on content
  • Downloadable Chrome extension

Use Cases

Students and academic reading

Summarize long research articles, textbooks or PDFs to extract key points and improve study efficiency.

Professional research and reporting

Quickly extract salient points from long articles or reports for business reports, presentations and analysis.

Video skimming

Identify and jump to relevant parts of YouTube videos without watching the entire video by using transcript-based summaries.

Local PDF summarization

Upload PDFs stored on a device in the PDF tab to receive summaries for offline documents.

Integrations

ChatGPT (chat.openai.com)

Gist AI uses ChatGPT to generate summaries from extracted text and PDFs ('Powered by ChatGPT').

Chrome (Chrome Web Store)

Distributed as a Chrome extension installed from the Chrome Web Store.

YouTube transcript extraction

Extracts the transcript from YouTube videos and then uses ChatGPT to summarize it.

Benefits

Saves time by instantly extracting key points from long content.
No length restriction — can summarize long books, research articles and documents.
Allows deeper exploration of summarized material through a 'Read More' feature.
Enables focused video viewing by jumping to core segments of YouTube videos.
Offered for free according to the site.

Limitations

Gist AI is provided as a Chrome extension, so use requires a Chromium-based browser that supports Chrome extensions.
Summaries are generated by ChatGPT and the site advises users to cross-check for potential similarities or accuracy issues.

Frequently Asked Questions

What makes your AI summarizer different from others?
Unlike other extensions, Gist AI can summarize websites, YouTube videos and PDFs. It is free, has no restriction on content length, offers a 'Read More' deep-dive into summary sources and can jump to specific moments in YouTube videos. It also splits long content into smaller blocks to improve understanding.
How does the AI PDF summarizer work?
Gist AI summarizes online PDFs and PDFs stored on your device using ChatGPT AI. Click the extension icon to summarize; for local PDFs you must upload the file in the PDF tab.
How can I use your tool to summarize websites or YouTube videos?
Click on the Gist AI extension icon in the toolbar while viewing a website or YouTube video to generate a summary.
Is there a free version of the summarizer available?
Gist AI is a completely free AI summarizer that can summarize websites, YouTube videos, online PDFs and PDFs stored on your device.
Is there a feature to summarize books, research articles or longer documents?
Gist AI imposes no limit on content length, so it can summarize long books, research articles and documents.
Can the Chrome extension summarize articles from any website?
Gist AI is a Chrome extension that can summarize articles from all websites for free, according to the site.
Is the summary generator safe to use?
The site states Gist AI 'respects the user privacy and does not collect any user data. It only reads the content for summarization and does not store this content.'
Can ChatGPT summarize YouTube videos?
ChatGPT alone cannot directly summarize YouTube videos because it processes text; Gist AI extracts the transcript and then uses ChatGPT to summarize it.
How does your summarizer ensure content is not plagiarized?
Gist AI uses ChatGPT to create summaries which 'aims to produce original summaries' but the site recommends cross-checking for potential similarities with the original content.

Getting Started

  1. 1 Install the Gist AI extension from the Chrome Web Store.
  2. 2 Pin the Gist AI extension to the browser toolbar.
  3. 3 Open any website, YouTube video or PDF and click on the extension icon to summarize it.
  4. 4 To summarize a PDF stored on your computer, open the PDF tab in the extension and upload the file.

Support

Contact form

Provide feedback, ask questions, request features or report bugs via the site's contact form ('Contact Us' — 2 minute form) at the homepage.

Demo video

Watch the demo video linked on the site to learn how to use the extension.

Privacy policy

Privacy Policy page available on the site with details about data handling.

API

Available: No

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