YouTube Video Downloader

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Koplayer May 2026

Our free Browser Extension allows you to download YouTube videos in different video qualities ranging from 360p to ultra high definition 4k. Supports all formats, including AVI, FLV, WebM, MP4 and MP3 without size and length limits.

(325951 votes, average: 4.6 out of 5)

17.8.0

Version

March 5, 2026

Last update

17,219,949

Downloads

YouTube Videos downloaded in standard qualities

Ultra HD Download in Youtube video Downloader

Download hi-res YouTube videos of up to 4k

Lose no quality as you convert & download YouTube videos

Video Triming option in Youtube video Downloader

Trim & download any section of a YouTube video

Mp3 converter mode in Youtube video Downloader with choose mp3 bitrete mode

Choose mp3 qualities from 64kbps-320kbps

Download Thumbnail in maximum resolution in Youtube video Downloader

Download YouTube Video thumbnail

Subtitle in any language in Youtube video Downloader

Download YouTube subtitles as an .SRT file

Take a screenshot mode in Youtube video Downloader

Take YouTube screenshots in 4k Resolution

Floating video player in Youtube video Downloader

Use float view to watch your YouTube videos

Video looper mode in Youtube video Downloader

Loop your YouTube videos for extra convenience

Audio only mode in Toutube video Downloader

Play just audio from your YouTube videos

Hide comment section in Youtube video Downloader

Easily hide YouTube video comments

Volume control using mouse wheel in youtube video Downloader

Never Lose Your Place With Smart Pause

Video playback mode in Youtube video downloader

Set your preferred video quality for playback

Smart pause on tab switch Youtube vide Downloader

Never miss a second of your videos with Smart Pause

picture in picture mode in video Downloader

Picture-in-picture functionality

Enable voice search in Youtub video downloader

Search for other YouTube videos while viewing another

Use dark mode with just a single click

Enhance Your YouTube videos with cinema mode

: A scripting engine that can detect specific on-screen images (like a "Victory" button or a low-health bar) and trigger pre-set actions automatically.

If you are simply looking for a list of what the software currently offers to help with your development research, these are its hallmarks: Any idea how to install Android emulator on AMD? - Facebook

While KoPlayer already supports basic key mapping and recording, an advanced "Smart Macro" feature would allow users to automate complex in-game tasks based on visual triggers.

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Koplayer May 2026

: A scripting engine that can detect specific on-screen images (like a "Victory" button or a low-health bar) and trigger pre-set actions automatically.

If you are simply looking for a list of what the software currently offers to help with your development research, these are its hallmarks: Any idea how to install Android emulator on AMD? - Facebook

While KoPlayer already supports basic key mapping and recording, an advanced "Smart Macro" feature would allow users to automate complex in-game tasks based on visual triggers.