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YouTube MP3/MP4 Converter  & Download

YouTube MP3/MP4 Converter & Download EN

Convert4K · Firefox

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

3.4/5 110 人评分 842用户 v2.1当前版本

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  • YouTube MP3/MP4 Converter  & Download 截图

简介

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)
- 3GP 144p (176 × 144)

Important - How to report bugs
If you find any bugs, please feel free to send an email to "support@convert4k.com", rather than just give bad reviews with the bug mentioned there :-(
A great deal of effort will be made to reply within a couple of days.

How to watch downloaded videos?
After downloading videos, you can play them using these free applications (or similar to these):
- VLC - Windows/Mac/Linux - very popular
- Windows Media Player Windows Media Player 12 - Windows
- iTunes - Windows/Mac

Privacy
We collect
- Your requested MIME-Type
- YouTube URL
- Your installed AddOns version

We DO NOT collect any kind of personal informations from you (user)

We are redirecting to our website https://convert4k.com/ to help downloading your requested video.

YouTube MP3/MP4 Converter & Download 是做什么的

YouTube MP3/MP4 Converter & Download 是一款面向 Firefox 的影音图像类扩展,主要用来处理图片、调节音量、增强播放器功能。官方对它的介绍是:Adds buttons to YouTube for faster converting/downloading videos. Faster MP3, MP4, AAC, M4A and AVI converting/downloading.在Firefox 附加组件商店(AMO)上,它当前版本 2.1,评分 3.35(110 人评价),约 842 名用户。

适合什么人用

从功能定位看,YouTube MP3/MP4 Converter & Download 更适合经常在网页上看视频、听音乐或处理图片的用户。如果你平时只是偶尔遇到相关需求,用浏览器自带功能也能凑合;但如果这件事每天都发生,装一个专门处理它的扩展通常比手动操作省事得多。

怎么安装 YouTube MP3/MP4 Converter & Download

  1. 打开Firefox 附加组件商店(AMO)上的官方页面;
  2. 点「添加到浏览器」并确认权限提示;
  3. 装好后在扩展列表里固定图标,方便随时开关。

本站只做索引与介绍,安装包来自官方商店。如果商店页面提示当前地区不可用,说明该扩展未在你所在区域上架。

常见问题

YouTube MP3/MP4 Converter & Download 是免费的吗?

YouTube MP3/MP4 Converter & Download 在Firefox 附加组件商店(AMO)免费提供下载。它是浏览器扩展,装上就能直接用,不需要注册账号。

YouTube MP3/MP4 Converter & Download 安全吗?

它只申请了 0 项权限,范围比较克制,没有申请「读取所有网站数据」这种大权限。

YouTube MP3/MP4 Converter & Download 支持哪些浏览器?

当前收录的版本来自Firefox 附加组件商店(AMO),适用于 Firefox。同一个扩展在其他商店可能有对应版本,但功能与版本号不一定相同。

怎么卸载 YouTube MP3/MP4 Converter & Download?

在扩展管理页找到 YouTube MP3/MP4 Converter & Download,点移除即可。它在本地保存的设置会一起清掉,不会残留数据。

权限清单 来自 manifest.json 原文

未解析到权限条目。