Пользуюсь много лет. Помог с ассоциацией файлов utorrent (что бы не качать файл и не запускать отдельно, он сразу открывает файл в программе uTorrent). В самом браузере ассоциация работает криво и, по видимому, никогда это не починят. Альтернатив не видел.

For the PDFs (including Mozilla's report) at:

https://ec.europa.eu/digital-single-market/en/news/annual-self-assessment-reports-signatories-code-practice-disinformation-2019#block-views-39e10d54fad34071dca96fe7d7133f38

- InlineDisposition (WebExtensions) https://addons.mozilla.org/addon/inlinedisposition-webexts/ failed

- this extension succeeded.

Thanks

It blocks downloading Gmail attachments. Clicking on pdf or jpg to download do nothing. Uninstalling helps.

Работает открывая торрент файлы на Firefox 69, автору спасибо и удачи!

Like it says, doesn't work everywhere :/

Now on FF68, it _still_ works like a charm - pure awesomeness! Thanks for your dedication! :)

Nicely done with a simple interface and well-documented, but doesn't seem to work everywhere. For example the .torrent files on http://hdreactor.info/ are still delivered as attachments with this extension active. Samlh, maybe you want to have look at this issue? I'd file a bug report but you don't seem to have a github or similar site.

I'm running Firefox 57 on Ubuntu 17.10.

EDIT: I've now replaced this extension with Header Editor (https://addons.mozilla.org/en-US/firefox/addon/header-editor/), a more generalized extension where I could quite easily define a rule to ignore those those pesky Content-Disposition: attachment headers on any website, including the one mentioned above.

I registered just to give this 5 stars. It's the only such addon I've found that both works on all the sites I use *and* is e10s compatible. Thanks!

I use it to display PDF files in gitlab. Without this extension, they are opened with an editor after download, with the extension they open with Firefox' internal PDF viewer.