Cruxly — AI Summarizer for Video, PDF & More

Name: Cruxly — AI Summarizer for Video, PDF & More
Author: Alex Bezrukov

Free AI summarizer for YouTube videos and PDFs — get a structured summary in minutes, then ask questions in an AI chat that remembers the full content. Works in 12 languages, right from your browser's side panel.

Overview

Firefox Add-ons Store

Daily users

Data as of 2026-09-12

Version:

1.0.8

Last updated: 2026-09-07

Features & Capabilities

Cruxly turns YouTube videos and PDF documents into structured summaries you can chat with. It's Paste a link or open a PDF, and Cruxly reads the whole thing so you don't have to. You get a clear breakdown of the key points in minutes. Then ask the built-in AI chat follow-up questions: it remembers the full content, so answers come from what's actually there instead of generic guesses.

How it works On YouTube, click Analyze with Cruxly below any video. On a PDF, use the banner that appears on the page, or right-click any PDF link and choose Analyze PDF with Cruxly. Results and chat open in the browser's side panel, so you never leave the tab.

Features Structured summaries for YouTube videos and PDF documents AI chat that answers questions about the specific content you analyzed 12 supported languages for summaries Guest mode works right away, 1 free analysis per day. Sign in with a free Cruxly account for higher limits. Copy results to your clipboard, or open the full analysis on cruxly.tech

Cruxly's backend does the actual analysis. The extension itself only detects content and displays results, so it stays lightweight. Free to start; paid plans on cruxly.tech unlock higher analysis limits.

User Growth & Download Statistics

Add-on

By:

Alex Bezrukov

Daily users:

Version:

1.0.8 Last updated: 2026-09-07

Version code:

6468990

Creation date:

2026-07-28

Firefox add-on GUID:

{0f349176-4c28-4e5b-a646-2c45d9d26348}

Firefox add-on numeric ID:

3045331

Weekly download count:

Firefox on Android:

Risk:

Permissions:

Host permissions:

https://cruxly.tech/*
https://api.cruxly.tech/*
http://localhost/*

Content scripts matches:

www.youtube.com
youtube.com
youtu.be
<all_urls>

Size:

234.50KB

Email:

su*****@cruxly.tech

URLs:

Website ,Privacy policy

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-09-12

Compare stats and ranking:

Ranking

# 106,213 ▲ 228

Other rankings

#81 in summarize pdf keyword 20

#96 in ai summarizer keyword 28

#99 in summarizer keyword 18

#101 in ai summarize keyword 29 ▲ 2

#113 in summarize keyword 23 ▼ 2

Upgrade to see more rankings

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:

Alex Bezrukov

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/cruxly-ai-summarizer/

Email:

su*****@cruxly.tech

Website:

https://cruxly.tech/support

Permission Change History

2026-08-20: Version 1.0.5 → 1.0.6

Add Permissions: notifications

Is Cruxly — AI Summarizer for Video, PDF & More 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.

Cruxly — AI Summarizer for Video, PDF & More 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.

Cruxly — AI Summarizer for Video, PDF & More is recently added, and hasn't been around long enough for us to gather enough data to accurately assess its risk level.

Risk likelihood analysis details

High This extension support email may not be valid
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