Glarity
A browser extension for summaries for Google and YouTube.
At a glance
Price not confirmed · Source review 2026-11-01- Price & billing
The homepage presents Glarity as free and ad-free, with no dollar price shown on the page visited.
- Free allowance
The homepage presents Glarity as free and ad-free, with no dollar price shown on the page visited.
- Best suited to
Summarizing videos and webpages and translating pages in the browser
Fit is editorial guidance, not a measured result.- Platforms
Access: not separately verified. Operating systems not separately verified.
Published-source facts and editorial guidance. No product test is implied. Confirm current conditions before purchase.
No product screenshot is claimed for this listing. Use the official website ↗ to inspect the current interface.
What to know before choosing
Good fit
Summarizing videos and webpages and translating pages in the browser
Limits and trade-offs
['The homepage retrieved is very short, with little detail on setup, limits, or data handling', 'Underlying model access may require a key or account, which the short homepage does not fully explain', 'Summary quality across languages and video types was not independently tested here']
Plans and free allowances
The homepage presents Glarity as free and ad-free, with no dollar price shown on the page visited.
Evidence
Glarity homepage ↗ (reviewed 2026-11-01)
Official published page review; no authenticated product test
Dates: Last reviewed 2026-11-01. Last reviewed is the latest source or editorial review date; it is not a content-change date.
A closer look at Glarity
Glarity is an open-source browser extension that summarizes YouTube videos and translates web pages, described as free and ad-free. It provides cross-language summaries for videos, searches, PDFs, emails, and webpages, with side-by-side translations, email writing assistance, and Web Content Q&A. The homepage says it is powered by ChatGPT, OpenAI Key, Claude 3.5, GPT-4o, and Gemini Pro, and claims more than 1,000,000 users.
Editorial guidance based on published documentation. The workflow below is a suggested starting point, not a measured product result.
When to choose Glarity
- Viewers who want quick summaries of long YouTube videos
- Readers who need side-by-side translation of webpages
- Users who want one extension for summaries, translation, and page Q&A
When to choose something else
- Users who need a fully documented, standalone web app rather than a browser extension
- Anyone who expects all model access to be included with no key or account of their own
A practical starting workflow
- Install the Glarity extension in the browser
- Open a YouTube video, search result, PDF, email, or webpage
- Ask Glarity for a summary or a side-by-side translation
- Use Web Content Q&A or email writing assistance for follow-up tasks
Check before committing
- Vendor claims, including more than 1,000,000 users and free, ad-free use, are vendor statements, not independent guarantees
- Prices and features may change; no dollar price was shown on the homepage visited, and the powered-by wording suggests underlying model access may involve a key
- The source base is thin: the official homepage retrieved is very short, with no authenticated product test
Common questions
What does Glarity do?
It summarizes YouTube videos and translates web pages, providing cross-language summaries for videos, searches, PDFs, emails, and webpages, plus side-by-side translations, email writing assistance, and Web Content Q&A.
Is Glarity free?
The homepage describes it as a free and ad-free ChatGPT YouTube summary and webpage translation extension, with no dollar price shown on the page visited.
Which models power Glarity?
The homepage lists ChatGPT, OpenAI Key, Claude 3.5, GPT-4o, and Gemini Pro as its power sources; how each is configured was not detailed on the short homepage retrieved.
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Sources and checks
Last source review is not a date of product testing. No rating or test result is implied by inclusion. Check the current plan and terms before buying.