Save Source-Quality Detail
When the original YouTube video offers 4K, Lysave can show a 4K MP4 option so tutorials, product shots, landscapes, and visual references stay sharp.
Fast Online Saver
YouTube Downloader 4K
Download YouTube videos in 4K when available. Free online tool with no signup.
Download responsibly. Ensure you have the right permissions.This service is an independent tool and is not affiliated with, endorsed by, or sponsored by YouTube or any other third-party platforms.Users are solely responsible for ensuring that their use of this service complies with all applicable laws, regulations, and platform terms, including copyright laws in their jurisdiction.This service is intended only for content that is owned by the user, is in the public domain, or is otherwise authorized for offline access or download. Unauthorized use of copyrighted material may violate applicable laws.By using this service, you acknowledge and accept full responsibility for your actions and usage.
- Free
- No signup
- MP4, MP3, M4A
- Up to 4K
- Secure
Honest 4K Availability
The tool does not pretend every video is 4K. It processes the source first, then shows only the quality options that are available.
Online, No Software Install
Use Lysave in your browser to process a YouTube link or search result. No desktop downloader, app, or extension is required.
Why choose Lysave?
Why choose Lysave?
A focused downloader experience for this specific YouTube saving task.
4K When the Source Allows
Lysave can offer 4K only when the original video supports it, keeping the promise accurate and easy to understand.
Great for Visual Reference
Use 4K downloads for permitted design videos, product demos, camera tests, lectures with small details, or high-detail tutorials.
Search Without the Exact URL
Find a video by keyword, creator, or title, then choose from the available MP4 quality options after processing.
Fast Browser Workflow
Paste, process, choose quality, and download. The page stays focused on the file you came for instead of pushing software installation.
Features
Everything you need for this download workflow
Search, process, choose an available format, and download without installing anything.
Download YouTube Video in 4K
Paste a YouTube URL and click Get Video. If the source provides 4K and Lysave can process it, choose the 4K MP4 download option.
Find 4K Videos by Search
Search by topic, creator, product name, tutorial title, or visual reference term before selecting a result to process.
MP4 Quality Selection
Lysave shows the available MP4 resolutions after processing, so you can choose the version that best fits storage, clarity, and playback needs.
Secure Permission-First Downloading
Use Lysave for your own uploads, public-domain videos, or content you have permission to save. Copyright and platform terms still apply.
No 4K Upscaling Promise
Lysave shows 4K only when the original video provides that quality and the option can be processed.
Works Across Devices
Use the 4K downloader workflow in modern desktop or mobile browsers.
How to
How to Download YouTube Videos in 4K
Start with a direct YouTube link, or search inside Lysave when you do not have the URL.
Method 1: Paste a YouTube Link
- 1
Copy the YouTube URL
Copy a public video link that is allowed for offline saving.
- 2
Process It in Lysave
Paste the link and click Get Video.
- 3
Choose 4K if Available
Select the 4K MP4 option when it appears, then download.
Method 2: Search by Keyword
- 1
Search for the Video
Enter the title, creator, or topic you want.
- 2
Select the Matching Result
Choose the video from the search results.
- 3
Download the Available MP4
Pick 4K if the processed video offers it.
If 4K does not appear, the original upload may not include a 4K version or the video may be restricted.
Perfect for practical offline saves
Use Lysave for personal, educational, creative, and permitted offline access.
Designers and Visual Researchers
Save permitted high-detail product demos, interface walkthroughs, and visual references for close review.
Educators and Students
Download authorized science, engineering, art, or tutorial videos where small on-screen details matter.
Creators Archiving Own Uploads
Keep a 4K MP4 copy of your own YouTube uploads for backup, editing notes, or portfolio review.
Travelers and Presenters
Prepare permitted high-quality videos before going offline or presenting in places with unreliable internet.
What our users say
Trusted for quick, private saves
People use Lysave when they need a simple way to search, process, and save available YouTube content.
★★★★★
"I like that Lysave only shows 4K when it is actually available. It keeps the choice clear."
Aaron P.Video editor
★★★★★
"For product demo references, the 4K MP4 option helps me inspect small UI details offline."
Nina L.Designer
★★★★★
"I use it to save my own uploads before editing follow-up clips. The browser workflow is quick."
Rafael C.Creator
★★★★★
"The search option is useful when I know the topic but not the exact URL."
Morgan H.Researcher
FAQ
Frequently asked questions
Quick answers about formats, quality, devices, availability, and responsible downloads.
Can Lysave download every YouTube video in 4K?
No. 4K depends on the original video and the available options Lysave can show after processing.
What format does the 4K download use?
Lysave focuses on MP4 video downloads. Audio-only MP3 or M4A options may appear for selected videos.
Do I need to install a 4K downloader app?
No. Lysave runs in a modern browser and does not require desktop software, a mobile app, or an extension.
Why is there no 4K option?
The source video may not have a 4K version, or it may be private, restricted, region-limited, live-only, unavailable, or unsupported.
Can I search for 4K videos in Lysave?
Yes. You can search by keyword, title, artist, creator, or topic, then process the selected result.
Is downloading YouTube videos in 4K legal?
Download 4K files only for videos you own, public-domain material, or content you are authorized to save. Respect copyright and platform terms.
Can I use Lysave on my phone?
Yes. Lysave works in modern mobile browsers on iPhone, iPad, Android phones, and tablets.
Is Lysave affiliated with YouTube?
No. Lysave is an independent tool and is not endorsed by or sponsored by YouTube.