Free and ad-free browser extension

Read across languages. Understand anything faster.

Summarize YouTube videos, webpages, and PDFs. Translate side by side, ask questions, and write with AI without leaving the page you are on.

100K+
Chrome users
51
Interface languages
4.46
Latest Chrome version

One AI companion for the open web

Glarity stays beside the content you are already reading, so the path from discovery to understanding stays short.

YouTube summaries

Turn long videos into multilingual summaries, timestamped highlights, FAQs, subtitles, and follow-up answers.

Any-page summaries

Capture the key ideas from webpages, search results, articles, social posts, and local PDF files.

Side-by-side translation

Compare the original and translated text in place, with full-page, selected-text, image, and PDF translation tools.

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Ask the content

Chat with a webpage, PDF, or video and use your own prompt to find the detail you need.

Writing assistance

Draft and improve emails, articles, replies, and social posts in the same browser workflow.

AI

Choose your AI mode

Use Glarity mode or connect supported AI services, with flexible model choices for different reading tasks.

From a long page to a clear next step

Install once, open the content you care about, then summarize, translate, or ask without breaking your flow.

01

Open

Visit a YouTube video, webpage, search result, or PDF in your browser.

02

Understand

Generate a summary, bilingual view, highlights, or answers grounded in that content.

03

Act

Copy the insight, continue the conversation, or turn it into your next piece of writing.

Frequently asked questions

What can Glarity summarize?

Glarity supports YouTube videos, webpages, Google search results, articles, social posts, and local PDF files. You can also ask follow-up questions about supported content.

What translation tools are included?

Glarity provides side-by-side translation, full-page translation, selected-text translation, bilingual YouTube subtitles, and translation for PDFs and captured images.

Do I need a ChatGPT or OpenAI account?

No. Glarity offers its own mode, and advanced users can also choose supported account or API-key modes when they prefer them.

Is Glarity free?

The browser extension includes a free mode. Optional Glarity or API-key usage may involve plan or provider charges, so check the current pricing page for details.