What can 4K Downloader do? This Windows app from 4K Software saves videos, playlists and subtitles from YouTube and many other sites, converts them to formats like MP4 or MKV, and offers simple trimming. Most video sites forbid downloading in their terms, so keep to your own or freely licensed content.
Link-based downloads
Videos default to MP4 at the best available quality, and both format and quality can be changed.
Hundreds of sites are supported, from YouTube to TikTok and Kick. It also supports playlists and subtitle downloads.
Video and audio formats
Video can be saved as MP4, MKV, MOV, WEBM, AVI, WMV and more. Audio-only output includes MP3, AAC and FLAC.
Add Conversion editing
Add Conversion includes controls for trimming a video or audio file by setting its start and end times. Video adjustments include 90- or 180-degree rotation, horizontal or vertical flipping, and a grayscale effect. A volume control is also available for the file.
These options suit workflows such as keeping a shorter excerpt from a longer recording, correcting a sideways image, or saving a video's soundtrack as an audio file.
Pros
- Downloads videos, playlists, and subtitles
- Converts video into formats including MP4, MKV, MOV, and WEBM
- Audio-only output in MP3, AAC or FLAC
- Includes trim, rotate, flip, grayscale, and volume controls
Cons
- Downloading breaks most video sites terms of service
- Can stop working when sites change
System requirements: Windows 10, Windows 11 · 64-bit only
Can 4K Downloader save audio without the video?
Yes, as MP3, AAC, FLAC and other audio formats.
Which output formats can I choose?
Common video formats such as MP4, MKV and MOV, and audio formats such as MP3 and FLAC.
Can I trim or rotate a file?
Yes. Add Conversion provides start and end time controls for trimming, plus rotation, flipping, grayscale, and volume adjustments.
