What "copying" a YouTube video actually means
When you want to copy a YouTube video, you are usually trying to save it to your computer or convert it to a different format — not duplicating it on YouTube itself. The most common reasons are keeping a personal backup of content you made, saving videos for offline viewing, or extracting the audio as an MP3 file.
YouTube's terms of service prohibit downloading most videos without permission from the copyright holder. However, you can legally download videos you created yourself, videos marked as Creative Commons, or videos where the creator has explicitly allowed downloads. Before you proceed, check whether you have the right to save the specific video you want.
There are several methods to do this, ranging from browser extensions to dedicated software. Each has different strengths depending on what format you need and how much control you want over the process.
Key Takeaways
- You can only legally download videos you own, videos licensed under Creative Commons, or videos the creator has explicitly permitted you to save.
- Online converter websites let you paste a YouTube URL and download the video as MP4 or extract audio as MP3 without installing software.
- Browser extensions and desktop applications give you more control over video quality and format, but require installation and carry more security risk.
- The fastest method for a single video is usually an online converter, while dedicated software works better if you download videos regularly.
Using an online converter (fastest method)
Online converters are websites that take a YouTube link and download the video for you. They require no installation and work in your browser. The most widely used options include Y2Mate, 4K Video Downloader Online, and SaveFrom.net.
Here is how to use one: First, go to YouTube and find the video you want to save. Copy the URL from the address bar. Then open an online converter website in a new tab, paste the URL into the text box, and click the download button. The site will show you format options — usually MP4 for video and MP3 for audio only. Select the quality you want (higher quality means larger file size) and click download. Your browser will save the file to your Downloads folder.
The main limitation is that online converters sometimes stop working when YouTube changes its code, and some sites display aggressive ads or pop-ups. If a converter stops working, search for "YouTube downloader online" and try a different one — new sites appear regularly as old ones break.
Installing desktop software for regular downloads
If you download videos often, desktop software is more reliable than online converters because it does not depend on a website staying online. Popular options include 4K Video Downloader (paid, around $20), YT-DLP (free, command-line based), and Shotcut (free, primarily a video editor but can download).
4K Video Downloader is the easiest for non-technical users: install it, paste a YouTube URL into the program, choose your format and quality, and click download. The video saves to a folder you specify. YT-DLP is more powerful but requires typing commands in a terminal window, so it is better for people comfortable with command-line tools.
Before installing any software, check reviews on independent sites and verify you are downloading from the official source, not a copycat site. Malware sometimes spreads through fake downloader websites that look legitimate.
Using browser extensions
Browser extensions add a download button directly to YouTube pages. When you see a video you want to save, you click the extension icon and choose your format. Popular extensions include Video DownloadHelper (Firefox and Chrome) and Enhancer for YouTube (Chrome).
To install an extension, go to your browser's extension store (Chrome Web Store for Chrome, Add-ons for Firefox), search for the extension name, and click Add to Browser. Once installed, the extension appears as an icon in your toolbar. When you are on a YouTube video page, click the icon and select your download format.
Extensions are convenient but carry more security risk than online converters because they have deeper access to your browser. Only install extensions from well-known developers with many positive reviews. Avoid extensions with vague names or very few reviews.
Extracting audio as MP3
Many people want to save just the audio from a YouTube video — for example, extracting music from a music video or saving a podcast. All three methods above (online converters, desktop software, and extensions) can do this. When you choose your format, select MP3 instead of MP4.
Online converters make this especially simple: paste the URL, select MP3 from the dropdown, and download. The file will be much smaller than a video file because it contains only sound. Keep in mind that extracting audio from copyrighted music videos is illegal unless you own the copyright or have permission.
Understanding file formats and quality settings
When you download a YouTube video, you will see options for format and quality. MP4 is the most common video format and plays on almost any device. WebM is higher quality but not supported on all devices. MOV is for Apple devices.
Quality is measured in resolution: 1080p (full HD) is sharp and clear but creates large files, 720p is good quality with smaller file size, and 480p or lower is lower quality but downloads faster. YouTube videos are usually available in multiple resolutions. Choose based on what you need: if you are saving for offline viewing on a phone, 720p is usually enough. If you are archiving or editing, 1080p is worth the larger file size.
What to do if a downloader stops working
YouTube regularly updates its code to prevent downloading, which breaks downloaders temporarily. If your usual method stops working, try a different one. Online converters break most often because they depend on a website. If your favorite converter is down, search for "YouTube downloader online" and try another site.
If desktop software stops working, check the developer's website or GitHub page for an update. Many free tools like YT-DLP update frequently to stay ahead of YouTube's changes. Paid software like 4K Video Downloader usually updates automatically.
If you use an extension and it stops working, the developer may have abandoned it. Check the extension page to see when it was last updated. If it has not been updated in over a year, uninstall it and try a different extension.
Frequently Asked Questions
Is it legal to download YouTube videos?
It depends on who owns the video. You can legally download videos you created, videos licensed under Creative Commons (check the video description), or videos where the creator explicitly permits downloads. Most other videos are copyrighted, and downloading them without permission violates YouTube's terms of service and may violate copyright law. Check the video description or contact the creator if you are unsure.
Why do some videos download in lower quality than they appear on YouTube?
YouTube stores multiple quality versions of each video and chooses which one to show based on your internet speed and device. Downloaders can only access the versions YouTube makes available to them, which are sometimes lower than what streams in your browser. This is a limitation of how YouTube works, not the downloader itself.
Can I download an entire YouTube playlist at once?
Desktop software like 4K Video Downloader and YT-DLP can download entire playlists or channels in one operation. Online converters usually require you to download videos one at a time. If you need to save many videos, desktop software is faster.
What should I do if a downloader asks me to install something else first?
Be cautious. Some downloader sites try to trick you into installing malware or unwanted software. Stick to well-known tools like 4K Video Downloader, YT-DLP, or established online converters. If a site asks you to install something unexpected, close it and try a different downloader.
Can I download videos from YouTube if I am not logged in?
Yes. Downloaders work on public videos whether you are logged in or not. Private videos and videos restricted to certain users cannot be downloaded by anyone except the account owner, regardless of login status.