Direction box
Roll toward you or swipe fingers up
--
Roll the wheel toward you, or swipe two fingers upward on the trackpad, three or four times.
This mouse scroll direction test reports which way the page moved and names the setting behind it. Roll the wheel toward you, or swipe two fingers upward on the trackpad, a few times inside the box.
Roll toward you or swipe fingers up
--
Roll the wheel toward you, or swipe two fingers upward on the trackpad, three or four times.
Platform: --
Pull the wheel or swipe fingers up three times.
Standard means the page moved down. Natural means it moved up, like dragging paper.
Instructions for both systems are below.
Moving between Windows and macOS flips the default.
macOS has one setting for both; Windows has separate ones.
Some mouse software reverses the wheel independently of the OS.
No need to open a document and guess.
macOS ties them together. Third-party tools such as Scroll Reverser separate them.
You scrolled in both directions. Reset and scroll one way only.
No, it only detects. Change settings in your OS.
System Settings → Mouse (or Trackpad) → Natural scrolling toggle.
Settings → Bluetooth and devices → Mouse → Scroll direction; touchpad has its own setting under Touchpad.
Settings → Mouse and Touchpad → Natural Scrolling, per device.