YouTube - Recorder

Records YouTube live streams and videos directly from the browser

< Feedback on YouTube - Recorder

Review: OK - script works, but has bugs

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Posted: 2025-12-02

Hello,

Unfortunately, it doesn't work well on Mozilla Firefox because the volume is always muted from the start to the end of the recording :-(

Therefore, the webm video files have no audio then no length, bit rate, data rate, total bitrate and frame rate into the Properties of any webm video files recorded with your script under Windows 10...
So, all the webm video files are recorded muted :-(

In addition, all the livestreams and videos remain always muted on YouTube and you need to refresh to listen them again...

On the other hand, it works well on Google Chrome so far.

Thank you for your answer.

Google Chrome and Mozilla Firefox Browsers with Tampermonkey or Violentmonkey

ぐらんぴAuthor
§
Posted: 2025-12-02

Hello,

Unfortunately, it doesn't work well on Mozilla Firefox because the volume is always muted from the start to the end of the recording :-(

Therefore, the webm video files have no audio then no length, bit rate, data rate, total bitrate and frame rate into the Properties of any webm video files recorded with your script under Windows 10...
So, all the webm video files are recorded muted :-(

In addition, all the livestreams and videos remain always muted on YouTube and you need to refresh to listen them again...

On the other hand, it works well on Google Chrome so far.

Thank you for your answer.

Google Chrome and Mozilla Firefox Browsers with Tampermonkey or Violentmonkey

It works in my environment, but it may be conflicting with another audio-related script.

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Posted: 2025-12-08

Hello,

Effectively, your script works perfectly so far because it was another script that was causing the problems mentioned above then very sorry.

However, it's possible to have another recording file format like mp4... please ?

Because the metadatas are not displayed in the file Properties of Windows for webm format :-(

ぐらんぴAuthor
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Posted: 2025-12-09

However, it's possible to have another recording file format like mp4... please ?

🛠️

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Posted: 2025-12-09

And if you don't mind, it's also possible for these 2 please :

-> https://greasyfork.org/scripts/544542-twitch-recorder
-> https://greasyfork.org/scripts/549297-screen-recorder

Thank you again and sorry for the inconvenience.

ぐらんぴAuthor
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Posted: 2025-12-10

And if you don't mind, it's also possible for these 2 please :

-> https://greasyfork.org/scripts/544542-twitch-recorder
-> https://greasyfork.org/scripts/549297-screen-recorder

Thank you again and sorry for the inconvenience.

Technically impossible. YouTube includes the init (ftyp+moov), so its MP4s are seekable; Twitch and screen recorders do not, so their .mp4 files are not seekable.

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Posted: 2025-12-10

Sorry but, I didn't understand your answer...

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