Glarity

Freemium

A browser extension for summaries for Google and YouTube.

Glarity is an open-source browser extension designed to summarize and translate web content including YouTube videos, Google searches, and PDFs. It features an AI-powered reading assistant for interactive Q&A and a writing assistant for drafting emails. The tool is built for researchers, students, and professionals who need to process large amounts of digital information across multiple languages using models like GPT-4o and Claude 3.5 (verified: 2026-01-29).

Jan 29, 2026
Get Started
Pricing: Freemium
Last verified: Jan 29, 2026
Compare alternativesBrowse by task

Key facts

Pricing

Freemium

Use cases

Researchers and students who need to generate summaries of long YouTube videos and academic PDF documents directly within their browser (verified: 2026-01-29), Content creators and writers seeking an AI assistant to help draft emails and generate written content based on webpage data (verified: 2026-01-29), Global users requiring side-by-side translations of foreign language websites and real-time full-page translation for better comprehension (verified: 2026-01-29)

Strengths

The extension provides cross-language summaries for YouTube videos, Google search results, Twitter feeds, and any standard webpage content (verified: 2026-01-29), Users can interact with PDF files and web content through an AI-powered Q&A interface to extract specific information quickly (verified: 2026-01-29), The tool supports multiple AI models including GPT-4o, Claude 3.5 Sonnet, and Gemini 1.5 Pro for processing summaries and translations (verified: 2026-01-29)

Limitations

Accounts are strictly intended for individual use and any detected multi-user access or non-human activity results in account suspension (verified: 2026-01-29), The Plus Plan limits guaranteed high-speed GPT-4 queries to 600 per month, after which response speed and quality are reduced (verified: 2026-01-29)

Last verified

Jan 29, 2026

Strengths

  • The extension provides cross-language summaries for YouTube videos, Google search results, Twitter feeds, and any standard webpage content (verified: 2026-01-29)
  • Users can interact with PDF files and web content through an AI-powered Q&A interface to extract specific information quickly (verified: 2026-01-29)
  • The tool supports multiple AI models including GPT-4o, Claude 3.5 Sonnet, and Gemini 1.5 Pro for processing summaries and translations (verified: 2026-01-29)

Limitations

  • Accounts are strictly intended for individual use and any detected multi-user access or non-human activity results in account suspension (verified: 2026-01-29)
  • The Plus Plan limits guaranteed high-speed GPT-4 queries to 600 per month, after which response speed and quality are reduced (verified: 2026-01-29)

FAQ

What specific types of online content can Glarity summarize for its users?

Glarity is an open-source extension that summarizes YouTube videos, Google search results, Twitter posts, PDF documents, and general web articles. It provides these summaries in multiple languages to help users digest information from various sources without reading the entire text (verified: 2026-01-29).

How does the Glarity Plus Plan handle query limits and model performance?

The Plus Plan guarantees at least 600 GPT-4 queries per month for subscribers. Once this limit is reached, the system continues to function, but users will experience reduced response speeds and potentially lower quality in the AI model's outputs (verified: 2026-01-29).

Does the Glarity extension support translation features for international web pages?

Yes, Glarity includes an immersive translation feature that offers real-time full-page translation and side-by-side views. It also supports text selection translation for both standard webpages and PDF files, as well as image-based translation services (verified: 2026-01-29).