YouTube MP3/MP4 Converter  & Download

YouTube MP3/MP4 Converter & Download

Adds buttons to YouTube for faster converting/downloading videos. Faster MP3, MP4, AAC, M4A and AVI converting/downloading.

YouTube MP3/MP4 Converter  & Download
What is YouTube MP3/MP4 Converter & Download?
YouTube MP3/MP4 Converter & Download is a Firefox add-on tool for quick and easy downloading and converting of YouTube videos. It adds a simple blue button on the video page for instant downloading and conversion. Available formats include MP4, WebM, and 3GP in varying qualities, conveniently directing you to for the download process. It does not collect personal user data.
By: Convert4K
Users: 1,314 ▲ 25
Rating: 3.33 (109)
Version: 2.1 (Last updated: 2019-05-03)
Creation date: 2018-03-24
Weekly download count: 64
Firefox on Android: No
Risk impact: Moderate risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
  • *://*
  • *://*
Size: 114.10K
URLs: Website
Stats date:

Other platforms

Not available on Chrome
Not available on Edge
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Download your favorite YouTube videos quickly and easily! Convert4K is an easy YouTube Downloader - If all you need is a simple, intuitive, and non-intrusive Add-on to download YouTube videos, seek no more. Convert4K Addon is a great Download Helper Tool and works great in combination with our website.

How it works? This Add-on adds a simple blue button to YouTube video pages, which enables you to download videos. The button is integrated in a simple manner below the video and next to other YouTube buttons (check the screenshots). After clicking the button you will be redirected to the download process on our website.

Download options These are the formats and qualities available:

  • MP4 720p (1280 x 720)
  • MP4 360p (640 x 360)
  • WebM 360p (640 x 360)
  • 3GP 240p (320 x 240)
See more
User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
    • Doesn't work
    • Fake
    • Waste of time
    • Opens a new tab with google homepage
    Most mentioned
    • Doesn't work
    • Opens a new tab with google homepage
    • Waste of time
    Recent reviews

    This add is a disaster, so I tried udl helper and everything worked good
    by Liam Steve, 2024-02-15
    View all user reviews
    Risk impact

    YouTube MP3/MP4 Converter & Download may not be safe to use and it requires some risky permissions. Exercise caution when installing this add-on. Review carefully before installing.

    Risk likelihood

    YouTube MP3/MP4 Converter & Download has earned a fairly good reputation and likely can be trusted.

    Upgrade to see risk analysis details