Is Flux Safe? Everything You Need to Know

By Irene Daraman Written by Irene Daraman Expertise: Technology, Learning, and Money Title: - Author and Freelance Writer Education: - Bachelor of Science in Nursing, University of La Salette Work Experience: - Registered Nurse with 10+ years of experience in BPO and healthcare industries - Management position in a Fortune 500 company, driving operational excellence and exceeding targets - Designing and implementing business plans and strategies to promote the attainment of goals, including financial (money matter), technology, and internal learning and development - Patient care coordinator in a California-based private practice - Experience as a personal injury medical records reviewer and demand letter writer in a Texas law firm - 5+ years of content/article writing experience, delivering engaging and informative pieces across various domains About: I am a Registered Nurse with 10+ years of experience in BPO and the healthcare industry. With a specialization in public and community nursing, I possess a deep understanding of patient care. Currently working in a management position at a Fortune 500 company, where I drive operational excellence and exceed targets. I am responsible for using technology at work, and driving learning and development. I am an expert in technology, learning, and money related topics from my corporate work experience. Public Profiles:
Updated on September 20, 2023

In today’s digital age, many of us spend countless hours staring at screens, whether it’s for work, entertainment, or socializing. However, this prolonged exposure to screens can cause negative effects on our sleep and overall well-being. Fortunately, there are innovations like F.LUX to deal with the issue, but is Flux safe?

The computer display emits a blue light that can penetrate our eyes and damage our retina. Prolonged exposure to blue light can cause retinal photochemical damage or blindness. F.LUX helps reduce the amount of blue light on your computer screen by adjusting the display color temperature according to the time of day. It also mimics the color of the room you’re in, so you’d be comfortable using your computer.

What is F.lux? 

F.lux is a free software available for Windows, Mac, Linux, and iOS devices. It works by adjusting the color temperature of your screen based on the time of day and your geographical location. During the daytime, it keeps your screen settings as normal. However, as the evening approaches, f.lux reduces the blue light emitted by your screen, giving it a warmer, more orange hue.

Is it safe to install F.lux on your computer?

F.lux is safe to download as long as it’s from legit download sites.

There are those who question the security of their devices after installing F.lux. But, installing it is safe for your device and doesn’t compromise any of its functions. In fact, it is more beneficial to the user because it resolves problems like eyestrain and headaches after prolonged exposure to your computer screen.

Many users of F.lux do not report problems with their devices. The only thing that F.lux developers can advise is to only get F.lux from legit download sites.

Is using F.lux safe for your eyes?

So far, using F.lux is safe for your eyes as it can reduce up to 100% of blue light.

If you look at the purpose of f.lux, we can say that the service provided by F.lux is good, especially in its ability to eliminate 100% of the blue light from your screen. But there are those who question its safety. There are reports from Quora, saying it further damaged their eyes after using it for a long time.

One user said that after using f.lux for two years, he could no longer look at a computer without f.lux. However, nothing could confirm his statement. Because, according to many F.lux users, F.lux really helps with eye strain and headaches from using their PC. It is thoroughly researched by the company to know the effect of too much exposure to computer screens on our eyesight,  as well as its relationship to sleep disorders.

Is F.lux a malware?

F.Lux is a legitimate app.

F.lux is not malware. It is a legitimate app that can help users reduce blue light by 100%. You can install it from their official website at Visit their website and be able to install it on either Windows, Mac, or Linux. Do not attempt to download it from an unknown server or it will become malware if you download it from a suspicious site.

Can I use the free version of F.lux on my work computer?

Yes, a free version of F.lux is available for personal use.

F.lux is a free download for Windows for personal use. But, if you are going to use it for work/ business, then you will have to pay for the site licenses using F.lux Corporate Edition. You have to pay $20 for the first ten devices and add $10 for an additional eleven devices. The service would include one year of updates to the software and update notifications sent to your specified Technical Contact.

Where can I download F.lux safely?

Download from

The best place to download and install F.lux is from the F.lux official website, But, you can also download it from legitimate sites, tested 100% free of spyware, viruses, and other malware, such as CNET, Digital Trends, Microsoft Store, Bluelight at Night, Soft Tonic, MacUpdate, Filehorse, and Techspot.

Does flux.exe cause high CPU usage?

Flux exe will cause high CPU Usage only if it is not legitimate.

In some cases, your computer will slow down, and you might wonder if it’s caused by F.lux. Since F.lux is an executable file, there may be a virus or malware transmitted through the .exe file. You can check the location of the file to see if it is legitimate.

Checking if it is legitimate or not is easy. If the developer is F.lux, it’s legit. If the developer is not listed or seems suspicious, uninstall the program as it may pose a risk to your computer.

Is F.lux safe? Does it slow down the computer?

Flux will slow down the computer only if it is not legitimate.

Generally, a legit F.lux app does not cause your computer to slow down. It will only happen if you install an F.lux executable file from an unknown source that probably carries a virus, spyware, or malware. You can scan in the Windows task manager, check the file location, and check if the developer is F.lux. If the developer is suspicious, then you have to uninstall it immediately.