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Glarity ChatGPT Summary Tool - Chrome Extension

Summarizes YouTube videos, web pages and PDFs, and translates text side by side.

Checked 5 Oct 2026 Reviewed by Alex Listed since October 2024

Screenshot of Glarity ChatGPT Summary Tool - Chrome Extension

At a glance

Starts at Free Listed as free on the Chrome Web Store.
Free tier Yes
Platforms Chrome
Best for Multilingual readers summarizing and translating web content
Not for Anyone who doesn't want ChatGPT-based results

3.9 out of 5

Scored by Alex after real use

Our verdict

Glarity is an open-source extension that summarizes YouTube videos, Google search results, webpages and PDFs using ChatGPT, with summaries generated across more than a dozen languages. Translation runs alongside that, with a choice of four engines and side-by-side mirror translation for reading two languages at once. It also handles email drafting help and lets you chat with a PDF or webpage's content directly, all built on ChatGPT rather than a mix of independent models.

✓What it does well

Cross-language summariesSummaries are generated in more than a dozen languages, not just English.
Multiple translation enginesYou can switch between LLM-enhanced, Google, DeepL and Microsoft translation.
Chat with contentYou can ask questions directly about a PDF, webpage or YouTube video.

✕Where it falls short

Built around ChatGPTSummaries and chat depend on ChatGPT rather than a choice of models.
Feature-dense interfaceWith this many summary and translation options, learning the interface requires some getting used to.
Chrome onlyIt's only available as a Chrome extension, not other browsers.

Key features

YouTube video summariesVideo summaries come with timestamped highlights and auto-generated FAQs.
PDF summarizing and chatPDFs can be summarized, translated or chatted with directly.
Side-by-side translationOriginal and translated text display together for easy comparison.
Shortcut-key translationHovering over text and pressing a shortcut key triggers instant translation.

Questions about Glarity ChatGPT Summary Tool - Chrome Extension

What does Glarity ChatGPT Summary Tool - Chrome Extension do?

Glarity ChatGPT Summary Tool - Chrome Extension is an open-source extension that uses ChatGPT to summarize YouTube videos, Google search results, webpages and PDFs, with summaries in more than a dozen languages. It also translates text side by side, helps draft emails, and lets users chat directly with a PDF, webpage or YouTube video.

Is Glarity ChatGPT Summary Tool - Chrome Extension free?

Glarity ChatGPT Summary Tool - Chrome Extension is listed as free on the Chrome Web Store, and no paid plan is listed. It runs only in Chrome, and the reviewer counts the lack of support for other browsers among its shortcomings.

Which translation engines does Glarity ChatGPT Summary Tool - Chrome Extension use?

Glarity ChatGPT Summary Tool - Chrome Extension offers a choice of four translation engines: LLM-enhanced, Google, DeepL and Microsoft. Side-by-side mirror translation shows original and translated text together, and hovering over text and pressing a shortcut key triggers instant translation.

What are the downsides of Glarity ChatGPT Summary Tool - Chrome Extension?

The reviewer notes that summaries and chat depend on ChatGPT rather than a choice of models, and Toolio marks the extension as not for anyone who doesn't want ChatGPT-based results. Its many summary and translation options also make the interface take some getting used to.

How does Toolio rate Glarity ChatGPT Summary Tool - Chrome Extension?

Alex scored Glarity ChatGPT Summary Tool - Chrome Extension 3.9 out of 5 after real use, on 5 Oct 2026. It is best for multilingual readers summarizing and translating web content, and its YouTube summaries come with timestamped highlights and auto-generated FAQs.

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