Glarity

Glarity

Glarity is a browser extension and AI assistant that summarizes YouTube videos, webpages, PDFs and more, and provides cross-language translation, AI chat, and writing assistance using ChatGPT and other large models.

Glarity is chatbots & assistants software teams evaluate for chatbots & assistants. Use this page to review pricing, integration signals, and the best alternatives before you commit.

Free
One of 161 tools in Chatbots & Assistants
Just launched
Data reviewed Sep 24, 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: Chatbots & Assistants

What it does

Chatbots & Assistants software for decision-makers comparing workflow fit and alternatives.

Best fit

Chatbots & Assistants

Pricing snapshot

Free from Free / ad-free offering mentioned on site

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Glarity is an open-source browser extension and AI assistant designed to summarize YouTube videos, Google search results and any webpage, translate pages and content across languages, and assist with reading and writing tasks. It integrates with ChatGPT/OpenAI keys and other large models (Claude3.5, GPT4o, Gemini Pro) to provide AI-driven summaries, timestamped video highlights, subtitle generation and translations, PDF analysis and an AI chat interface. The product targets users who need faster content consumption, translation and writing workflows—supporting summaries for videos, articles, PDFs, emails and more while offering features like an AI writer, AI reader and SEO automation.

ChatGPT extension for summarizing YouTube, Google, and other web pages.

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Key Features

YouTube Summarizer

Generate video summaries, timestamped highlights, FAQs for videos, and extract content from YouTube using AI.

Webpage Summarizer / AI Search

Summarize any webpage and engage in AI-powered conversations about web content; supports custom prompts to extract specific page content.

PDF Summarizer & AI Reader

AI-powered PDF analysis and chat: summarize, translate and interact with PDF and webpage content.

Side-by-Side Full-Page Translation

Real-time full-page translation, text-selection translation on webpages and PDFs, and image translation for cross-language reading.

AI Writing Assistant

Generate and improve articles, emails and social media responses to accelerate content creation.

Multi-model AI Chat

Glarity AI Chat supports 10+ models, claims a large context window and features like unlimited image generation for interactive Q&A.

Browser Extension Support

Available as extensions for Chrome, Edge, Safari, Firefox and Opera for in-browser summarization and translation.

Subtitle & Translation Tools

Generate and translate video subtitles and offer timestamped highlights and FAQs for videos.

Pricing

Free Tier Available

The site advertises a free (ad-free) offering and 'Free AI Chat'.

Free

Free / ad-free offering mentioned on site
  • Summaries and translations in the extension
  • Free AI chat and writing assistance (as advertised)

Use Cases

Summarize YouTube content

Quickly obtain multilingual summaries, highlights, and FAQs for YouTube videos and generate or translate subtitles.

Summarize and translate web pages

Get concise summaries of articles, search results and webpages and translate pages side-by-side for cross-language reading.

PDF analysis and research

Summarize and interact with PDF content via an AI reader to extract insights and perform Q&A on documents.

Content creation and email drafting

Use the AI Writing Assistant to draft, improve and speed up creation of articles, emails and social media posts.

SEO and productivity workflows

Apply summaries and automated content generation to SEO tasks and inbox replies (Gmail Quick Reply) to improve productivity.

Integrations

OpenAI (ChatGPT) / OpenAI Key

Core LLM integration for summaries, chat and writing assistance (explicitly listed).

Anthropic Claude / Claude3.5

Listed among supported models for AI chat and summarization.

Google Gemini (Gemini Pro) / GPT4o

Listed among supported models powering AI features.

Browsers (Chrome, Edge, Safari, Firefox, Opera)

Available as a browser extension across major browsers for in-page summarization and translation.

YouTube & Gmail

Features specifically mention YouTube summarization and a 'Gmail Quick Reply' capability.

Community & Social (Discord, Twitter, GitHub)

Community links and presence for support and feedback channels are provided on the page.

Benefits

Faster content consumption: converts long videos, articles and PDFs into quick summaries and highlights.
Cross-language accessibility: real-time translations and multilingual summaries help users read and understand content in many languages.
Integrated AI tools: combines summarization, translation, document Q&A and writing assistance in one browser extension to streamline workflows.

Limitations

No verified limitations are available.

Frequently Asked Questions

How does Glarity summarize YouTube videos?
Glarity can generate video summaries in over a dozen languages, create timestamped video highlights, create FAQs for videos, generate and translate video subtitles, and engage in AI chat to extract content from YouTube videos.
Can Glarity summarize any webpage?
Yes. The extension is designed to generate summaries for any webpage and enables AI-powered conversations about the web content, including using custom prompts to extract specific page content.

Getting Started

  1. 1 Step 1: Install the Glarity extension for your browser (Chrome, Edge, Safari, Firefox or Opera).
  2. 2 Step 2: Log in or connect a ChatGPT/OpenAI key (page indicates integration with OpenAI/other models).
  3. 3 Step 3: Open a YouTube video, webpage or PDF and click the extension to generate summaries, translations or start an AI chat.

Support

email

Direct support email: [email protected] (listed on the site).

community

Community links such as Discord, Twitter and GitHub are provided for feedback and support.

docs

Site includes resources such as Blog, Changelog, FAQ and Summary List for product information.

API

Available: No

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