Coplay

Synchronously play your videos in two browsers.
What is Coplay?
Coplay is a Firefox add-on that allows users to play web videos in sync on two browsers. With WebRTC and PeerJS, connect and control video players simultaneously on popular platforms like Youku, YouTube, and more.

Add-on stats

By: Justineo
Users: 47 ▼ -2
Rating: 3.67 (3)
Version: 0.6.0 (Last updated: 2020-02-10)
Creation date: 2016-07-11
Weekly download count: 1
Firefox on Android: Yes
Risk impact: Very high risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
Permissions:
  • http://*.youku.com/*
  • https://*.youku.com/*
  • http://*.sohu.com/*
  • https://*.sohu.com/*
  • http://*.tudou.com/*
  • https://*.tudou.com/*
  • http://*.qq.com/*
  • https://*.qq.com/*
  • http://*.iqiyi.com/*
  • https://*.iqiyi.com/*
  • See more
Size: 58.77K

Other platforms

Coplay (v0.6.0)
3.74 (82) 10,000
Not available on Edge
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Add-on summary

When two browsers are playing the same web video, Coplay can connect them with WebRTC (using PeerJS) and enable users to control two video players synchronously.

Coplay now works on Youku, Sohu TV, Tencent Video, Tudou, iQiyi, YouTube bilibili, LETV and Vimeo.

Buttons on control bar stands for "connect"/"disconnect", "play", "pause", "sync" and "restart".

User reviews

by puppy, 2021-11-27

by kyle, 2020-01-23

Не работает на Android.
by shurygin2013, 2018-12-03
View all user reviews

Add-on safety

Risk impact

Coplay requires a lot of sensitive permissions. Exercise caution before installing.

Risk likelihood

Coplay has earned a fairly good reputation and likely can be trusted.

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