Greasy Fork is available in English.
Add up/down navigation buttons with a settings panel (timer & transparency).
this is a very helpful userscript that allows you to scroll to the top and bottom of a web page.
Marjanoo edition - where you have the option to make the button transparent (so that the buttons won't get in the way):
https://greasyfork.org/en/scripts/546045-scroll-up-and-down-buttons?version=1664766note, please read
if the current version of the script doesn't show its buttons, please use the marjanoo version as that version doesn't have this issue
for previous versions that are not available here, you can check them there:
https://archive.md/https://anotepad.com/notes/36djp6mc
select one of the archival snapshots
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