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f.lux keyboard shortcuts

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f.lux

- - Shortcuts

10 comments

7	Alt + Page Down	Adjust brightness
2	or Alt + Page Up
6	Alt + Shift + Page Down	Change color
2	or Alt + Shift + Page Up
-1	Alt + End	Disable
10	Alt + ↑ Shift + End	Toggle darkroom mode
0	Win + End	Toggle grayscale
-1	Alt + F9	... to F12: Surface shortcuts. Note: This shortcut is disabled by default

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Program information

Program name: f.lux f.lux (System tools)

f.lux changes colors on your computer's display to adapt to the time of day. By changing colors to warm at night, f.lux makes your eyes feel comfortable.

Web page: justgetflux.com

Last update: 11/18/2024 1:21 PM UTC

More information >>

Updated: Updated program information. (6 updates.) 4/19/2021 9:34:48 AM Added some shortcuts.
11/18/2024 12:52:42 PM Added some shortcuts.
11/18/2024 12:54:37 PM Updated program information.
11/18/2024 12:55:55 PM Updated program information.
11/18/2024 1:21:34 PM Updated program information.

Shortcut count: 8

Platform detected: Windows or Linux

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Featured shortcut

Alt + ↑ Shift + End

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What is your favorite f.lux hotkey? Do you have any useful tips for it? Let other users know below.

? Derek OP says:

Win+End to toggle grayscale. Very annoying that this isn't documented anywhere on the f.lux app, please document it here so people will know!

Reply 1 1

Zeynel Admin says in reply to Derek :

Added it (you may see older, cached page for some time), thank you!

Indeed no options, no notifications, it's like activating a joke...

Reply 0 1

? Guest OP says:

Hi. How can I turn off Adjust brightness hotkeys? I need Alt+PageUp&Down combinations in my work

? Guest OP says in reply to Guest :

oops sry didnt saw "use hotkeys" chekbock in options...

There's no END key on my keyboard so I can't easily disable the program. Apart from that, I've been enjoying f.lux for years

? BenL OP says:

I accidentally pressed something on my keyboard that caused f.lux to switch to monochrome (grayscale) mode. It took me a while to figure out how to fix it on my PC (I kept doing all sorts of Google searches for Windows 7 solutions). Eventually I discovered that f.lux has an option under "Effects" to toggle grayscale mode.

Zeynel Admin says in reply to BenL :

That was probably Alt + Shift + Page Up / Page Down. Glad you've found the solution.

I had similar (but probably not worse) situation where Windows keyboard layout changed with a global shortcut. At the beginning I didn't even know a shortcut causes it. That shortcut is Alt + Shift. So when you start to press any shortcut with Alt + Shift but give up pressing on the halfway, you're going to change the keyboard layout silently. Thanks Microsoft :-)

? Guest says in reply to BenL :

The shortcut for turning to grayscale mood is WINDOWS+END

Reply 4 1

? mike OP says:

Is there a shortcut keys for Macs?

Zeynel Admin says in reply to mike :

I don't have a Mac to try, but a quick search in Google says there are some (not looking so quick) workarounds about it. In Windows, I can see shortcuts in the program options.

Reply 0 2