Youtube By Click Downloader Chrome Extension
From a technical standpoint, "YouTube by Click" is a fascinating example of reverse engineering.
YouTube changes its code constantly. Every few months, they roll out updates to their streaming protocols (DASH) and encryption to make downloading harder. They roll out "throttling" measures to slow down direct connections that look like bots.
The developers of downloaders must constantly update their software to bypass these measures. When a user clicks "download,"
YouTube By Click Downloader Chrome Extension: Everything You Need to Know
Looking for a seamless way to save your favorite online content? The YouTube By Click Downloader is a popular choice for users who want to grab videos and music from platforms like YouTube, Facebook, and Instagram with minimal effort. While Google's strict policies often prevent full-featured YouTube downloaders from living directly in the Chrome Web Store, this software offers a powerful workaround through its "Auto-Detect" technology.
In this guide, we’ll explore how the YouTube By Click Downloader works with Chrome, its standout features, and how to stay safe while downloading. Does a True "Chrome Extension" Exist?
Due to Google and Chrome Store policies, extensions that explicitly download YouTube videos are generally banned from the official store.
The Desktop Bridge: Instead of a standalone extension, By Click Downloader typically functions as a desktop application that integrates with your Chrome browser.
Auto-Detect Feature: When you have the desktop app running, it can "listen" to your Chrome browser. As soon as you open a YouTube video, a small pop-up appears in the corner of your screen, asking if you’d like to download it as an MP3 or MP4. Key Features of By Click Downloader
The By Click Downloader is more than just a simple "save" button. It’s a full-featured media management tool.
One-Click Downloads: Once enabled, you can download content simply by copying the URL or clicking the auto-detect pop-up.
Batch & Playlist Support: You can download entire YouTube playlists or even all videos from a specific channel at once.
High-Quality Resolutions: Support ranges from standard 720p and 1080p up to 4K and 8K resolutions.
Multiple Formats: Convert videos into MP3, MP4, AVI, FLV, WMV, 3GP, and more.
Broad Platform Support: Beyond YouTube, it works with Facebook, Instagram, Twitter, Vimeo, and Dailymotion. Is it Safe and Legal to Use?
When using third-party downloaders, it is crucial to consider security and legal guidelines. Easy Video Downloader - Chrome Web Store
The By Click Downloader (formerly YouTube By Click) is a popular desktop software designed to download videos from platforms like YouTube, Facebook, and Instagram. While many users search for a "Chrome extension," it is important to note that By Click Downloader is primarily a desktop application that integrates with Chrome to provide an extension-like experience. How the "Chrome Extension" Works
Google’s Chrome Web Store policies strictly prohibit extensions from downloading YouTube videos. To bypass this, By Click Downloader uses a "Software-as-an-Extension" approach:
Auto-Detection: When you have the By Click Downloader software running on your PC, it monitors your Chrome browser activity.
One-Click Pop-up: When you visit a YouTube video page, a small message bubble appears in the bottom-right corner of your browser.
Direct Download: You can click "Download Video" or "Download MP3" directly from that pop-up without leaving Chrome, mimicking the behavior of a native extension. Key Features
Format & Quality: Supports downloading in 720p, 1080p, 4K, and 8K resolutions. You can convert videos to MP3, MP4, AVI, and more.
Bulk Downloads: It allows you to download entire playlists or all videos from a specific YouTube channel with a single click.
Private Content: Capability to download private YouTube and Facebook videos that you have access to.
Broad Support: Works beyond YouTube, supporting sites like TikTok, Vimeo, and Dailymotion. Installation Guide
Download Software: Visit the official By Click Downloader site and download the Windows installer.
Enable Integration: During or after installation, ensure the "Chrome Tracking" or "Auto-detect" feature is enabled in the software settings.
Use in Chrome: Open Google Chrome and navigate to a video. The download offer should automatically appear in the corner of your screen. Popular Alternatives
If you prefer a true browser extension or a different tool, consider these options: YouTube Video Downloader Chrome Extension | MP3 & MP4
The Ultimate Guide to YouTube By Click Downloader Chrome Extension
In today's digital age, YouTube has become an essential platform for entertainment, education, and information. With millions of videos available, it's no surprise that users often find themselves wanting to download their favorite videos for offline viewing or personal use. This is where the YouTube By Click Downloader Chrome Extension comes in – a powerful tool that allows users to download YouTube videos with just a few clicks.
What is YouTube By Click Downloader Chrome Extension?
The YouTube By Click Downloader Chrome Extension is a browser extension designed for Google Chrome that enables users to download YouTube videos directly from the browser. The extension is lightweight, easy to use, and compatible with various operating systems, including Windows, macOS, and Linux.
Key Features of YouTube By Click Downloader Chrome Extension
The YouTube By Click Downloader Chrome Extension offers a range of features that make it a popular choice among users. Some of its key features include:
How to Install YouTube By Click Downloader Chrome Extension
Installing the YouTube By Click Downloader Chrome Extension is a straightforward process. Here's a step-by-step guide:
How to Use YouTube By Click Downloader Chrome Extension
Using the YouTube By Click Downloader Chrome Extension is easy. Here's a step-by-step guide:
Benefits of Using YouTube By Click Downloader Chrome Extension
The YouTube By Click Downloader Chrome Extension offers several benefits, including:
Common Issues and Troubleshooting
While the YouTube By Click Downloader Chrome Extension is generally reliable, users may encounter some issues. Here are some common problems and troubleshooting tips:
Conclusion
The YouTube By Click Downloader Chrome Extension is a powerful tool that allows users to download YouTube videos with ease. With its user-friendly interface, multi-format support, and batch downloading capabilities, it's a popular choice among users. While it may have some limitations, the extension is generally reliable and convenient to use. If you're looking for a simple and effective way to download YouTube videos, the YouTube By Click Downloader Chrome Extension is definitely worth trying out. youtube by click downloader chrome extension
FAQs
Alternatives to YouTube By Click Downloader Chrome Extension
If you're looking for alternative YouTube downloaders, here are some popular options:
By following this guide, users can easily download their favorite YouTube videos using the YouTube By Click Downloader Chrome Extension. Whether you're a student, researcher, or simply a YouTube enthusiast, this extension is a valuable tool to have in your toolkit.
Master the "By Click Downloader" for Chrome: Your Ultimate Video Saving Guide
Ever found yourself on a long flight or stuck in a dead zone, wishing you could watch your favorite YouTube playlist offline? Whether it’s an educational series or a collection of music videos, sometimes you just want that content locally on your device.
Enter By Click Downloader, a powerful tool designed to bridge the gap between streaming and your local storage. While often referred to as an "extension," it functions more like a high-powered desktop suite that integrates seamlessly with your Google Chrome browser.
Here is how you can use it to save videos with just one click. Why Choose By Click Downloader?
Unlike basic browser extensions that often struggle with high-resolution files or playlist downloads, By Click Downloader is built for heavy lifting.
Auto-Detection: Once installed, it can detect when you are watching a video in Chrome and will automatically offer a "Download" pop-up.
High-Quality Support: You can grab videos in 720p, 1080p, 4K, and even 8K.
Bulk Downloading: It is famous for its ability to download an entire YouTube playlist or an entire channel with a single click.
Multiple Formats: Convert files instantly to MP3, MP4, AVI, FLV, and more. How to Use It with Google Chrome
To get started, you’ll typically download the software from an official site like By Click Downloader.
Install the Desktop App: Download and install the software on your Windows PC.
Enable Browser Integration: Open Chrome and ensure the "Auto-detect" feature is enabled in the By Click settings.
The "One-Click" Experience: Head to YouTube. When you play a video, a small message will appear in the bottom right of your screen asking if you want to download the MP3 or MP4.
Manage Your Library: Use the main application window to track your downloads and organize your new offline collection. Is It Safe and Legal?
Security is always a concern with third-party tools. While many users on Reddit recommend it as a long-term, reliable option, others suggest keeping your antivirus active and using an ad blocker like uBlock Origin just in case.
A quick legal heads-up: Downloading YouTube videos technically violates YouTube’s Terms of Service, which prohibit accessing content via unauthorized third-party tools. For a 100% legal offline experience, YouTube Premium is the official way to go. Always ensure you have the creator's permission before sharing or reusing any downloaded content.
The following technical overview covers the development, functionality, and policy landscape of YouTube-by-click downloader Chrome extensions. Overview of YouTube Downloader Extensions
While Google’s official policies strictly prohibit YouTube video downloaders from being hosted on the Chrome Web Store, many developers create these tools for side-loading or as educational projects. These extensions typically aim to provide a "one-click" solution for saving video, audio, or thumbnails directly from the browser. Technical Architecture
Most "one-click" extensions for YouTube are built using the following core components:
Manifest V3 (MV3): The standard configuration file that defines permissions, background service workers, and content scripts.
Content Scripts: Scripts that inject a "Download" button directly into the YouTube interface, usually near the video title or player controls.
Service Workers (background.js): Background scripts that handle the actual download requests and communicate with the Chrome Downloads API to save files.
External APIs: Many extensions act as wrappers, sending the video URL to third-party conversion servers to process the video into MP4 or MP3 formats. Key Functionalities
Direct Video/Audio Extraction: Tools like YT Saver support resolutions up to 8K and 4K, often requiring external desktop software to bypass browser limitations.
Thumbnail Downloader: A common, policy-compliant subset that allows users to download high-resolution video thumbnails (JPG) by extracting the video ID from the URL.
Segment Downloading: Specialized extensions allow users to select specific timestamps to download only a clip rather than the full video. Legal and Policy Challenges
Platform Restrictions: Google frequently removes YouTube downloaders from the Chrome Web Store because they violate the Terms of Service regarding unauthorized content scraping.
Copyright Compliance: Downloading content is generally considered "Fair Use" for personal, offline archiving in some jurisdictions, but it remains a legal gray area unless the content is in the Public Domain or under a Creative Commons license.
Security Risks: Users are often warned to only use security-tested apps like Pulltube or Downie for Mac, as many free web-based extensions may bundle malware or adware.
By Click Downloader is a software tool primarily used for downloading videos from YouTube and other platforms like Facebook, Instagram, and Vimeo
. While it is often associated with browser integration, it typically functions as a desktop application for Windows that interacts with browsers like Chrome via an auto-detection pop-up. Key Features Multi-Platform Support
: Downloads content from YouTube, Facebook, Instagram, Twitter, Vimeo, and Dailymotion. High-Quality Formats
: Supports downloads in 720p, 1080p, 4K, and 8K resolutions. Conversion Options
: Converts videos into formats including MP3, MP4, AVI, FLV, WMV, and WAV. Bulk Downloading
: Capable of downloading entire YouTube playlists and channel content. Auto-Detection
: Features a message pop-up that detects when a video is being played in the browser, allowing for a "one-click" download. How to Use the Chrome Integration
To use By Click Downloader with Google Chrome, follow these general steps: Install the Software : Download and install the desktop application from the official site Enable Browser Monitoring
: Ensure the "Auto-detect" feature is turned on within the software settings. Navigate to a Video
: Open Chrome and go to a video on YouTube or another supported site. Click the Pop-up
: A small message typically appears in the bottom right of the browser; click "Download Video" or "Download MP3" to start the process. Critical Considerations From a technical standpoint, "YouTube by Click" is
By Click Downloader (formerly YouTube By Click) is a powerful desktop-based media management software that integrates with Google Chrome to provide a seamless "one-click" downloading experience. Unlike standard browser extensions that often struggle with Google’s strict store policies, By Click Downloader operates as a full application with an accompanying browser addon. Key Features and Capabilities
Automatic Detection: Once the By Click Downloader software is installed, it adds an addon to your Chrome browser. When you watch a video on YouTube or other supported sites, an "Auto-detect" pop-up appears, allowing you to download the video or extract the audio with a single click.
High-Resolution Support: The tool supports a vast range of qualities, from standard 720p up to 4K and 8K resolutions.
Batch Downloading: Users can download entire YouTube playlists or all videos from a specific channel by simply pasting the URL into the application window.
Wide Format Selection: It converts videos into various formats including MP4, AVI, MKV, and WEBM, or audio formats like MP3, AAC, and WAV.
Multi-Site Compatibility: Beyond YouTube, it works on 40+ popular platforms including Facebook, Instagram, Twitter, Vimeo, and Dailymotion. How to Install and Use
Download the Desktop Software: Visit the official website to download and install the main application, as the Chrome Web Store often restricts direct YouTube downloaders.
Enable the Chrome Addon: During installation, the software will prompt you to enable the browser extension. You can also manually enable it via Chrome's extensions menu.
One-Click Download: Open a video in Chrome. When the green "Download Video" or "Download MP3" button pops up in the bottom right corner, click it to begin the process automatically.
Paste URL Method: Alternatively, you can copy the URL of a video or playlist and paste it directly into the By Click Downloader desktop interface. Comparison with Alternatives
For users seeking different features, several other extensions and tools are frequently recommended by tech reviewers at SoftwareSuggest and Software Testing Help: Tool By Click Downloader Ease of use and playlist downloads Free version available; Premium ~$20 Addoncrop 4K downloads and browser integration Video Downloader Professional Simple one-click web video saving Video DownloadHelper Advanced users (best on Firefox) Free / Paid Premium YouTube Premium Official, ad-free offline viewing Monthly Subscription
Note: Always ensure you have the legal right to download content and respect the platform's terms of service. Easy Video Downloader - Chrome Web Store
The Click That Echoed
Leo was a digital hoarder. His bookmarks bar was a tangled fossil record of obsessions, and his "Watch Later" playlist on YouTube had metastasized past 5,000 videos. He told himself he’d get to them. He never did.
Then he found it: YouTube By Click Downloader. A tiny, unassuming Chrome extension with a lime-green button. One click, and a video was yours. Forever.
It started innocently. A tutorial on rebuilding a carburetor. A cat playing a Theremin. A obscure 1987 Finnish synth-pop ballad. Click. Save. Mine.
The power was intoxicating. Leo no longer feared the ephemeral nature of the internet. A video couldn’t be delisted, age-restricted, or deleted by a nervous creator. Once he clicked, it was carved into the hard drive of his life.
His hard drive groaned, then filled. He bought a second, then a third. Terabytes of laughter, lectures, arguments, and lullabies.
One Tuesday, he downloaded a grainy video titled "Sunset from My Porch, 2019." It was just 14 seconds of someone’s orange cat yawning as the light faded. It had 12 views. He clicked the green button without thinking.
That night, his computer made a sound not unlike a dying whale. The screen flickered, and a file appeared on his desktop: sunset_porch_2019_HD.mp4. But the thumbnail wasn’t the cat. It was him. Leo, age seven, sitting on his grandmother’s porch, scraping a red plastic shovel against a step.
He hadn't seen that porch in thirty years. He hadn't told anyone about that memory.
His hand trembling, he double-clicked.
The video played. It wasn't amateur footage. It was professional, omniscient. The camera circled him in 4K. He watched his seven-year-old self look up, directly into the lens—as if seeing the man he would become—and whisper, "You shouldn't have taken it."
Leo slammed the laptop shut. He tried to delete the file. Access denied. He tried to uninstall the extension. "Cannot remove: YouTube By Click is currently in use."
He opened YouTube. A new video was at the top of his recommendations. No channel name. No views. Zero seconds long. The title was his full name, his current address, and the words: "Tonight, 11:14 PM."
He looked at the clock on his wall. It was 11:13.
And in the corner of his browser, the little green button was no longer a download icon. It was a red circle. Recording.
Click.
YouTube by Click Downloader works for basic downloads but comes with significant security and policy risks. For occasional use on non-copyrighted content, it may suffice – but for regular or sensitive use, avoid browser-based downloaders entirely.
✅ Use only if: You need a quick, one-time download of a public-domain video.
❌ Avoid if: You value privacy, browser speed, or YouTube account safety.
By Click Downloader is primarily a desktop application for Windows rather than a simple browser extension.
Key Features: It supports downloading entire playlists, private videos, and content in 4K or 8K quality from platforms like YouTube, Facebook, and Instagram.
Format Options: Users can convert videos directly to MP3, MP4, AVI, and other major formats.
Auto-Detect: When the desktop software is running, it can "detect" when you are watching a video in Chrome and offer a one-click download popup. Safety and User Reviews
Recent feedback for the service has been highly mixed, with significant warnings from the community: Universal Video Downloader - Chrome Web Store
YouTube By Click Downloader Chrome Extension: A Game-Changer for Video Downloading
In today's digital age, YouTube has become an essential platform for entertainment, education, and information. With billions of hours of content available, users often find themselves wanting to download their favorite videos for offline viewing or to save for later. While YouTube itself doesn't offer a built-in download feature, third-party tools and browser extensions have filled this gap. One such tool that's gained popularity is the "YouTube By Click Downloader" Chrome extension. In this feature, we'll explore what makes this extension a go-to solution for downloading YouTube videos.
What is YouTube By Click Downloader?
YouTube By Click Downloader is a Chrome extension designed to simplify the process of downloading YouTube videos. As the name suggests, it allows users to download videos with just a click. The extension works by adding a download button directly to YouTube's video player, making it easily accessible.
Key Features
How to Use YouTube By Click Downloader
Using the YouTube By Click Downloader Chrome extension is straightforward:
Benefits and Drawbacks
Benefits:
Drawbacks:
Conclusion
The YouTube By Click Downloader Chrome extension offers a convenient and efficient way to download videos from YouTube. While it's essential to use such tools responsibly, respecting content creators' rights and YouTube's terms of service, this extension can be a valuable tool for users looking to save videos for offline viewing. As technology evolves, it's likely that we'll see even more sophisticated tools emerge, but for now, YouTube By Click Downloader remains a popular choice for its simplicity and effectiveness.
"YouTube By Click" (now commonly known as By Click Downloader
) is primarily a standalone Windows software rather than a native Chrome extension. While it offers an "auto-detection" feature that mimics an extension by triggering a download pop-up when you copy a URL in Chrome, it does not exist as a standard downloadable tool on the official Chrome Web Store due to Google's strict policies against YouTube downloaders. How "By Click Downloader" Works with Chrome
Instead of a traditional extension, the software uses a background listener to detect your activity: Clipboard Detection:
When the software is running on your PC, copying a YouTube URL (Right Click > Copy URL) in Chrome triggers an instant download pop-up. Browser Integration:
It offers a "one-click" download message that appears directly over the video player when it detects you are watching a video in Chrome. Key Features Format Support: Downloads video as or audio as High Resolution: Supports quality from 720p up to Bulk Downloads:
Allows users to download entire playlists or all videos from a specific channel in one go. Multi-Platform: Works on YouTube, Facebook, Instagram, Twitter, and Vimeo. Critical Safety & Reliability Warning
Before installing, consider the following community feedback and security risks: Download YouTube Videos with Google Chrome Extensions
You're looking for a way to download YouTube videos using a Chrome extension. Here are some popular options:
To use any of these extensions:
Some popular features to look for in a YouTube downloader extension:
Remember to always use reputable extensions and be cautious when downloading content from YouTube, as some extensions may not work as advertised or may pose security risks.
YouTube By Click Downloader (now commonly known as ByClick Downloader
) represents a popular category of third-party software designed to bridge the gap between streaming platforms and offline media consumption. While it markets itself as a seamless solution for Chrome users, the relationship between browser extensions and video downloading is complex, governed by a tug-of-war between user convenience and platform Terms of Service. Functionality and Integration
ByClick Downloader differentiates itself through its "Auto-detect" feature. Unlike traditional web-based converters, the software monitors browser activity; when a user watches a video on YouTube, Chrome, or other supported sites, a small pop-up appears offering to download the content in various formats (MP3, MP4) and qualities (up to 8K).
While often referred to as a "Chrome extension," it primarily operates as a standalone Windows application that integrates with browsers. This architecture is intentional, as it allows the software to bypass the strict limitations Google imposes on the Chrome Web Store regarding YouTube downloading. The Conflict: Convenience vs. Terms of Service
The primary appeal of the tool is its efficiency—supporting entire playlist downloads and private videos. However, its existence highlights a significant legal and ethical gray area: Google’s Restrictions:
Google prohibits YouTube downloaders on its official Chrome Web Store to protect its ad revenue and YouTube Premium subscription model. Copyright Considerations:
While downloading for personal, "fair use" archival purposes is common, the tool facilitates the mass acquisition of copyrighted material, which directly violates YouTube's Terms of Service. Safety and User Experience
For the average user, the ByClick Downloader offers a "one-click" simplicity that standard browser tools lack. It handles high-bitrate audio and high-resolution video far better than most browser-based scripts. Nevertheless, users must exercise caution. Because these tools cannot be hosted on official stores, they are often downloaded from third-party sites where the risk of bundled "bloatware" or malware is higher than with verified extensions. Conclusion
The ByClick Downloader remains a powerful utility for those needing offline access to digital content. It serves as a testament to the enduring demand for local media ownership in an age of transient streaming. However, its use requires a balance of technical savvy—navigating outside the official Chrome ecosystem—and an awareness of the legal boundaries surrounding digital content. steps or a legal breakdown of fair use for video downloading?
By Click Downloader (formerly YouTube By Click) is primarily a standalone Windows desktop application rather than a native Chrome Web Store extension. While many users search for a "one-click" extension, Google’s strict policies often prevent direct YouTube downloaders from being hosted on the official Chrome Web Store Chrome Web Store Key Findings on By Click Downloader Software Type
: It is a powerful desktop software that supports downloading from YouTube, Facebook, Instagram, and other sites. "Auto-Detect" Feature
: Instead of a traditional extension, the software uses an "Auto-detect" mechanism. When you have the app open and browse YouTube in Chrome, a small popup appears in the bottom right corner of your browser asking if you want to download the video. Safety Profile : User reviews on
are mixed. Some long-term users recommend it as safe and reliable, while others have reported high CPU/memory usage or frustration with the "Premium" wall for playlist downloads. Common Reported Issues License Errors
: Users often report issues with license activation or expired keys preventing the software from functioning. Chrome Flagging
: Chrome may occasionally flag similar downloader tools (like
) as suspicious due to their compilation methods, though these are often false positives. Web Store Absence
: Most "YouTube Downloaders" found directly on the Chrome Web Store will explicitly state they do not work on YouTube due to Google's terms of service. Chrome Web Store Top-Rated Alternatives
If you are looking for alternatives that offer similar "one-click" or streamlined functionality:
: Widely considered the most reliable and powerful command-line tool by tech communities, though it requires more setup. Stacher.io
: A popular, user-friendly graphical interface (GUI) for yt-dlp that simplifies the process for non-technical users. Addoncrop YouTube Downloader
: An external (non-Web Store) extension that adds a "Download" button directly under YouTube videos. Video Downloader Professional
: A legitimate Chrome Web Store extension for downloading videos from websites, though it is restricted on YouTube. an external downloader like Easy Video Downloader - Chrome Web Store
If you manage to find a functional version of this extension, the typical feature set includes:
The "YouTube by Click Downloader" is a browser extension available (or formerly available) on the Chrome Web Store. Unlike standalone software, an extension lives inside your Google Chrome toolbar. When you visit YouTube.com, the extension injects a "Download" button directly onto the video page.
This script runs in the background.
Since malicious extensions constantly rebrand, here is how to spot a "YouTube by Click" clone before you install it:
However, finding a legitimate version of "YouTube by Click" on the official Chrome Web Store is often a quest in itself.
Google, which owns YouTube, has a strict policy against extensions that encourage the downloading of YouTube videos. It violates the site’s Terms of Service (ToS). Because of this, legitimate downloader extensions are frequently purged from the store.
This creates a bizarre "Whack-a-Mole" ecosystem. Developers often have to play a game of disguise. They might upload an extension that appears to be a generic "PDF Converter" or a "Screen Dimmer," hiding the download functionality deep inside the code. Users have to install these extensions hoping they aren't actually malware in disguise.
This lack of official support pushes the ecosystem to the fringes. The "YouTube by Click" website often operates outside the Chrome Web Store, asking users to install ".crx" files manually or use "Developer Mode" in Chrome—a setting Google warns casual users against. It turns a simple utility into a slightly illicit hack. How to Install YouTube By Click Downloader Chrome
In content.js, write logic to detect the URL change (YouTube is a Single Page Application, so normal page loads don't always trigger reloads).
// content.js simplified logic
function addButton()
// Check if button already exists to avoid duplicates
if (document.querySelector('.my-download-btn')) return;
const btn = document.createElement('button');
btn.innerText = "Download MP3";
btn.className = "my-download-btn";
btn.style.cssText = "background-color: red; color: white; padding: 10px; cursor: pointer;";
// Insert button below the title
const titleContainer = document.querySelector('#above-the-fold');
if (titleContainer)
titleContainer.appendChild(btn);
btn.addEventListener('click', () =>
const videoUrl = window.location.href;
// Send URL to background script
chrome.runtime.sendMessage( action: "download", url: videoUrl );
);
// Run on load
addButton();
// Observer to handle YouTube navigation
const observer = new MutationObserver(() =>
if (window.location.pathname === '/watch')
addButton();
);
observer.observe(document.body, childList: true, subtree: true );