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How to Make Your PC Easier on Your Eyes

What a clever idea. F.lux is a freeware program that adjusts the color of your screen depending on the time of day. So at night, F.lux makes the screen look warmer and less glaringly blue than during the day. The end result is a screen that is much easier on the eyes.

F.lux works by changing the color temperature of your display. The default setting is 3400K for night and 6500K for daytime. This can affect color sensitive work such as editing digital photographs but there is a disable switch that allows you to turn F.lux off.

The change in color is automatic based on estimated sunrise and sunset times for your location.  The location is only a guess based on your time zone settings but you can enter an exact latitude and longitude if you wish.

Versions are available for Windows XP/Vista/7, Mac OS X and Linux.  The Windows download is 545KB.

http://www.stereopsis.com/flux/

Many thanks to Panzer for this suggestion. If you have a good freeware program or interesting website to suggest contact Gizmo using the site contact form in the left navigation sidebar.

Gizmo

 

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Comments

by Panzer (not verified) on 31. December 2010 - 9:33  (63594)

Redesigned F.lux for Linux:

http://jonls.dk/redshift/
http://jonls.dk/2009/12/flux-for-linux/

by HeWhoRocks on 28. May 2010 - 10:33  (50493)

Since i live in the U.K. i would need this app to be permanently grey and overcast to reflect the changes outside. Does this app do that?:D

by Anonymous on 27. May 2010 - 22:32  (50476)

It won't install and stops at 15%....

by Anonymous on 30. June 2009 - 5:23  (24512)

This program is innovative and really works. This is a great find. Thanks, Gizmo!

by Anonymous on 15. June 2009 - 22:07  (23953)

I like it but F.lux doesn't retain its settings when coming out of standby in the evening. This happens on 2 Acer laptops and a Dell desktop. Left a note on the developer's site but can't see my comment listed now - disappeared into the ether.
Ian

by Anonymous on 14. June 2009 - 16:37  (23855)

Excellent program and makes a real difference if using the PC a lot at night, or often all night in my case and has been installed on all my laptops and tablets. For those complaining about it being too pinkish, which I did at its basic install settings, go into settings and fiddle with the colour temperature slider to find a setting that suits while still giving the advantage it offers. For instance, I find a temperature of around 5000K works best for me at night. I find my eyes not getting so tired at night since I started using it.

I also found the developers quick to reply as well as being appreciative of feedback and suggestions and they said that they were working on the next version.

by Anonymous on 14. June 2009 - 6:52  (23832)

Sorry, this may be OT but my worst problem is with bright white web page backgrounds sort of like this one.
Adjusting monitor settings not good here. Suggestions please?

by Anonymous on 12. June 2009 - 22:05  (23721)

Great idea, terrible results. Hated the color and dim screen results!

by Anonymous on 12. June 2009 - 16:23  (23693)

One of my friends found a trojan in this - F-Secure flagged it for him. He and I are both freaked out right now... anybody want to comment?

by Anonymous on 10. June 2009 - 22:04  (23538)

Very good find.. Its clean..

by Anonymous on 10. June 2009 - 15:44  (23510)

Never thought of something like this. I've known for literally decades that PC screens, flourescent lights, and people's eyes don't mix well. The refresh rates are not anything like one another, and the tiny muscles in the eyes fatigue quickly. LCD screens have helped, but the color and brightness issues are still there. I even have a pair of reading glasses that are tinted pinkish-brown to use just for PC work. This program takes care of all of that! Great idea, and already using it. Works fine, and no issues with any scans I gave it.

by Anonymous on 10. June 2009 - 12:27  (23498)

Apparently well designed and should be helpful. D.D.

by Anonymous on 9. June 2009 - 20:20  (23446)

Well, AVG has flagged it as a threat... Has nobody else had the same thing?

by Anonymous on 10. June 2009 - 12:35  (23499)

My AVG updates may need up dated but my copy cleared it. Further I scan any downloaded software files with other security software before opening and nothing appeared? D.D.

by J_L on 10. June 2009 - 3:48  (23475)

No, I've uploaded the setup file to VirusTotal and it shows up totally clean.
As for the .exe file itself, here's the result: http://www.virustotal.com/analisis/be64bc8bd856483e20df68aa33d40ef303415...

The program still should be safe though. False positives do exist (especially for not so popular programs).

by Anonymous on 10. June 2009 - 1:06  (23462)

Yes, Online Armor Firewall identified it as a keylogger. I uninstalled it.

by Anonymous on 10. June 2009 - 13:47  (23504)

anyone have a comment on this? I would like to try it out.

by Anonymous on 9. June 2009 - 19:50  (23441)

I would also recommend downloading the ClearType Powertoy, it makes text much easier on the eyes, in combination with F.lux, it makes for a very easy-on-the-eyes computer.

by peter on 10. June 2009 - 0:00  (23459)

Totally agree about Cleartype. It works well in Vista too, although you might not think so as MS don't seem to promote that.

by Phylis Sophical on 9. June 2009 - 16:44  (23432)

Fantastically simple. May take a few days to get use to the pinkish hue but certainly does what it says. Easy to change the level using the Halogen / Florescent / daylight slider.

by Anonymous on 9. June 2009 - 1:52  (23377)

This is my "Easy on the Eye's Setting's" webpage for XP. For Vista just change the DPI_ 96 to 120.

http://community-2.webtv.net/garybernard/ComputerMonitor/index.html

I also use Opera's 'Fit-to-Screen" feature. It let's you increase text size however large you want and Opera adjusts the webpage to fit the screen_no side scrolling needed.

by Anonymous on 9. June 2009 - 1:52  (23376)

Cool....... Thanks........ man

by Anonymous on 9. June 2009 - 1:18  (23373)

Just downloaded and tried f.lux for the first time today. I like it already. Neat idea. And very useful since I stare at a computer screen almost every evening. Thanks for pointing it out.

by Espilce on 8. June 2009 - 23:12  (23360)

Here is a manual set program I like...
ssOverlay (the ss stands for Scotopic Sensitivity), places a coloured overlay onto the screen. The colour and transparency levels can be adjusted to suit the user.

Scroll near to the bottom of Page at
http://www.fxc.btinternet.co.uk/assistive.htm

by Anonymous on 9. June 2009 - 15:22  (23420)

Check this out
Desktop Lighter http://www.dimxsoft.com/

by Anonymous on 9. June 2009 - 1:13  (23370)

Well, it works fine for me. This is posted at 0210 and my eyes are tired. Great for just working on text, made me realise when you disable it how bright the screen is. No wonder my eyes hurt. Will have to see how it works in my room in full daylight, but at the moment, well done Gizmo.

by J_L on 8. June 2009 - 22:23  (23358)

Now this is something new (for me at least). Seems to work fine.

by rKAnjEL on 8. June 2009 - 22:14  (23357)

I'm sorry but that was a horrible experience, I hated the settings it suggested, I dunno, maybe my eyes are too sensitive but I REALLY didn't like the results :s

by Antal Janssen (not verified) on 8. June 2009 - 19:14  (23348)

Is it not possible to make the settings variable by the sunlight and/or cosmatic light received by the camera motly build in laptops and/or cameras used by users who video-chat?

by AJanssen on 8. June 2009 - 19:19  (23349)

Sorry, it was posted by me but I forgot to logon. :-)
peter ... tried to fix that... shall i delete this post.

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