Huge memory leaks. Went up to 2.4g before I purged it.

I've tried Video DownloadHelper as a YouTube-DL alternative to download a paid video I had rented on Vimeo. The extension offers to downloaded the 1920 x 1080 pixels DASH stream, and downloads it fast, but then it launches a transcoding (called an aggregation), even though I've disabled "Force H264 tuning in aggregation", which would have taken hours. It turns out the free version adds a watermark, which requires post-processing and transcoding. My understanding is that you have to pay €18.50 for a premium license to get fast downloads without transcoding.

I have turned to Downie 4 by Permute's developer Charlie Monroe, which is also paid at €18.99, but has the advantage of being up front about it. Alternatively it is included in the Setapp subscription service. It has a cleaner interface and it works with Chrome and Firefox as well as Safari and Opera, alas only on macOS.

tl;dr: Video DownloadHelper should clarify its freemium business model on its official website and in its browser extensions.

The download helper use to be very good, but now it no longer provides the same service. Previously it provided multiple options for downloading a video but now only provides one from ADT. ADT is extremely slow in downloading and often the download fails to complete. On occasion it downloads the video but not the audio. I use it both on Win 10 and Linux Open Suse.

The problems I am guessing occurred via some updates, not sure if it was Firefox or Download Helper. I did not make any changes so it had to be a change in the software. I wish there were a better plugin since this one no longer provides proper service.

Used to be great and helpful; now it doesn't work anymore without some shady "companion app" (i won't install your software outside Mozilla, sorry). Uninstalled after years of use. Pity.

6 MOIS POUR ENCODER

I understand that they need funding for this add-on but £18.50 seems excessive considering there are several free alternatives.

Soundless videos, watermarked videos, or not detected at all. Too many struggles for such popular extension.

doesn't save video, only audio, even with the companion app installed (also it says it would watermark converted videos)

This addon doesn't mention that it requires a paid license until it finishes downloading and converting the videos you save by adding a watermark. If they noted this before use I wouldn't be bothered; however, they don't mention this until *after* the video has finished processing which took nearly 20 minutes for a 4k video.

You need a third party app AND a payed license to convert stuff. I can't even download most of the videos at all, and if so not as mp4 or another normal format.

Worthless. Hangs. Not Intuitive to use. Progress halted on "aggregating" step, and then nothing happens after numerous attempts. I have already deleted it. It is of no value whatsoever.

左上にQRコードの透かしが入り、それを解除するには金を出さなければならない。そんなことはどこにも書いていなかった。不誠実。

Performed very poorly on test download of PBS video from youtube. The format in free version is very limited (if it ever completely downloads). It took extremely long to download file and never completed. The companion software was no better. I think this great extension is no longer that great. I would consider paying for software from many vendors that actually maintain good code and gui for this purpose or use one of many websites that do the job for you.

No sirve, es una trampa que te pide instalar software malicioso

This extension, although being recommended by the Firefox team, force you to install a third party app to be able to work.

Не работает. При попытке загрузки из меню плагина выдает окно о необходимости установки сторонней программы "хелпера". Не нужны мне всякие троянцы и показыватели рекламы!

It Worked Just Fine Before But Like Everything Else It Fails To Work

How is this recommended? Need to install additional scamware

It requires to install an external untrusted app. No way!