ChatGPT Glarity - Summarize YouTube & Translate

Name: ChatGPT Glarity - Summarize YouTube & Translate
Rating: 3.5 (22 reviews)
Author: Felo株式会社

By: Felo株式会社

Summarize YouTube videos and translate web pages using ChatGPT (Free and Ad-Free)

ChatGPT Glarity - Summarize YouTube & Translate

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Install

Features & Capabilities

ChatGPT Glarity is a powerful, open-source Chrome extension that leverages ChatGPT to summarize content from YouTube videos, Google search results, webpages, and PDFs. It supports multi-language summaries, interactive AI chats, FAQs, and market-ready subtitles for YouTube content. This extension also offers seamless translation services with multiple engines, side-by-side comparison, and translation of screenshots and images.

Beyond summarization, Glarity acts as a writing assistant, helping draft emails and social media posts, while supporting easy switching between ChatGPT 3.5 and 4 models. It respects user privacy by operating entirely within the browser without storing data on servers or displaying ads. Glarity provides a comprehensive AI-powered browsing experience free of cost, enhancing information comprehension and global accessibility.

User Growth & Download Statistics

Add-on AI Education Communication

By:

Daily users:

Rating:

Version:

4.34.6 Last updated: 2025-06-03

Version code:

5961637

Creation date:

2023-02-10

Risk:

Permissions:

storage
activeTab
tabs
contextMenus
https://api.glarity.app/*
https://vi2vocal.s3.ap-northeast-1.amazonaws.com/*
https://www.google-analytics.com/*
https://glarity.app/api/*
https://*.felo.ai/*
https://*.felo.me/*

Host permissions:

<all_urls>
https://*.openai.com/
https://*.openai.azure.com/
https://*.glarity.app/
https://*.google-analytics.com/
https://*.xiaohongshu.com/

Content scripts matches:

<all_urls>
*

Size:

6.59MB

Email:

Su*****@felo.ai

URLs:

Website ,Privacy policy

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-17

Compare stats and ranking:

Ranking

# 5,093 ▲ 20

Other rankings

#6 in summarize keyword 29

#7 in summarization keyword 25

#7 in summarize pdf keyword 37 ▲ 1

#8 in ai summarize keyword 28 ▲ 1

#8 in summarize youtube keyword 49

Upgrade to see more rankings

Other platforms

Glarity ChatGPT: Summary & Translate AnyPage (v4.46.4)

100,000 3.93

(270)

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

Felo株式会社

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/glarity/

Email:

Su*****@felo.ai

Website:

https://glarity.app

Publisher Change History

2025-01-22: su*****@sparticle.com to Su*****@felo.ai

Upgrade to see full email

Permission Change History

2024-08-12: Version 2.7.8 → 4.32.8

Add Host permissions: <all_urls> https://*.xiaohongshu.com/

Add Permissions: contextMenus https://glarity.app/api/* https://*.felo.ai/* https://*.felo.me/* https://*.glarity.app/* https://account.felo.ai/* https://*.openai.azure.com/ https://*.glarity.app/ https://*.google-analytics.com/ https://glarityapi.com/*

Remove Permissions: https://api.bilibili.com/*

2023-07-09: Version 2.5.7 → 2.6.1

Add Host permissions: https://*.glarity.app/ https://*.google-analytics.com/

Add Permissions: https://www.google-analytics.com/*

2023-06-05: Version 2.2.0 → 2.3.0

Add Host permissions: https://*.openai.azure.com/

2023-06-01: Version 2.1.0 → 2.2.0

Add Permissions: https://api.bilibili.com/*

2023-05-25: Version 1.15.1 → 2.1.0

Add Host permissions: https://*.openai.com/

Add Permissions: https://api.glarity.app/* https://vi2vocal.s3.ap-northeast-1.amazonaws.com/*

2023-03-28: Version 1.2.0 → 1.6.0

Remove Permissions: scripting

2023-03-16: Version 1.1.8 → 1.2.0

Add Permissions: tabs scripting

2023-03-13: Version 1.1.7 → 1.1.8

Add Permissions: activeTab

User Reviews

Users praise fast, one‑click YouTube and page summaries and the translation capability, plus generally positive cross‑platform performance. Major recurring complaints are intrusive floating UI/sidebar elements, site breakage on various pages, and inconsistent availability or errors when the extension doesn’t appear or run as expected.

Pros

Fast, one‑click YouTube summarization and page extraction (quick and accurate)
Useful built‑in translation feature that generally works well
New page‑summary feature (beta) shows promise
Generally well liked and works across platforms (positive reports, e.g. Linux)

Cons

Intrusive UI — floating icon, popups and sidebar elements that users want an option to disable
Interferes with or breaks other websites (reported on GitHub, Bing, Invoke AI)
Inconsistent reliability — doesn’t show up or work on YouTube reliably and can produce errors/limits

Recent reviews

by us*****, 2025-08-04

by Fi*****, 2025-06-08

by Fi*****, 2025-04-16

View all user reviews ›

Is ChatGPT Glarity - Summarize YouTube & Translate Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

ChatGPT Glarity - Summarize YouTube & Translate requires a lot of sensitive permissions. Exercise caution before installing.

Risk impact analysis details

Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

ChatGPT Glarity - Summarize YouTube & Translate is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
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