4 best PC privacy screen filters to buy

by Radu Tyrsina
Radu Tyrsina
Radu Tyrsina
CEO & Founder
Radu Tyrsina has been a Windows fan ever since he got his first PC, a Pentium III (a monster at that time). For most of the kids of... read more
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PC privacy screen filters keep confidential data safe from wandering eyes. String passwords and encryption software help you keep your private work data private.

But such tools can’t stop someone from peering at your screen from over your shoulder or snapping a picture of what you are working on.

This is called visual hacking, and it is a serious security threat that businesses shouldn’t ignore anymore. Fortunately, the issue can be easily fixed with privacy filters that adhere to a machine’s display.

These filters severely restrict the viewing angle in such a way that only someone who is sitting in front of the screen can see what’s on it. Anyone who tries to sneak a peek from the sides or the top will only get to see a blank screen.

Here’s why you should use privacy screens

In addition to protection your documents from being viewed by prying eyes, a privacy filter can also help eliminate excessive glare from your computer screen.

Did you know that glare causes all types of conditions ranging from chronic headaches to Presbyopia which is actually the weakening of your eye muscles?

When you are able to eliminate glare from your computer screen, you can work much longer house without feeling tired or getting a headache.

People who have complained of headaches at the end of every day found a significant improvement in their condition as soon as they installed an anti-glare filter on their computer screen.

How does privacy filters work?

Privacy screens are quite low-tech, and they consist of only a polarized plastic sheet. Polarization works as an optical filter that blocks out light from particular angles.

This is the same technology that is used for polarized sunglasses and some types of camera lenses.

What to look for in a high-quality privacy filter?

Clarity of image

Privacy filters have the tendency of blocking some light from the PC’s screens making them appear dimmer. Dimming can be offset by turning out a screen’s brightness, on the other hand.


The way that you apply the filter to the screen varies from model to model, and you should look for a filter that is easily applied and removed over and over again.

The best filters adhere to using reusable micro-suction strips that will not leave any sticky residue.

Matte finish

Some privacy filters can give glossy screens a matte look, and this will help ward off distraction reflections, but it can also make the display look pretty dull.

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Some filters are reversible, and they let you choose between a matte or a glossy side before you apply them.


Privacy filters come in more colors, and the basic ones will look black once you apply them when they are viewed from an angle. You can also get filters that give off a gold sheen when they are viewed from the side.

Such gold filters will be a bit more expensive because they will not dim your screen so much but on the other hand, they also tend to be more reflective than black ones.

This means that they are not that good for people who are working outdoors. To make your task easier, we selected 4 of the best privacy filters for PC using the criteria listed above.

What are the best privacy filters for your Windows PC?

AirMat 24″ Privacy Screen Filter

  • Anti-scratch properties
  • Fits monitors, LCDs measuring 24W inch diagonally
  • Reduces eye stress
  • Easy installation: slide-On/Off or mounted
  • Same instruction set for laptop and monitor

In case you fear that lots of people are prying around and snooping into your desktop screen, we have the perfect solution for you.

If you hesitate to enter the passwords or to read, view or surf your desktop content in an office environment for the same reason, install this privacy filter from AirMat and you can relax.

No more prying eyes, the screen is dark from the side (beyond 30 deg) but clear from the front.

  • Transparency over 85%
  • Reduces the blue light display transmission
  • Reduces eyestrain, dry eye and insomnia
  • 2 attachment options for installation
  • Poorly fixed-to-screen tape

The advanced micro-replication technology and 12 layers of film make Privox Privacy Filter one of the best privacy screens on the market.

It is designed to fit all widescreen laptop LCD monitors (19.0″ screen and a 5:4 aspect ratio) and it has an extra slim, lightweight and frameless design.

Kensington 22-24″ Privacy Screen

  • Fits 22-Inch to 24-Inch widescreen monitors
  • Spring-loaded mount
  • Reduces blue light by up to 30%
  • Hard-coated surface
  • Not anchored directly to the screen

This filter fits most 22 to 24-inch widescreen monitors with a 16:10 or 16:9 aspect ratio. It manages to narrow the field of vision on the monitor to +/- 30 degrees, helping you keep the information on your screen to yourself.

The spring-loaded mount secures to the screen without hassle or adhesives. The textured surface with light tint minimizes glare and improves contrast, and it also reduces harmful blue light by up to 30%.

Its hard-coated surface protects the sensitive flat panel screen from smudges and damage.

Vintez 22″ Privacy Screen Filter

  • Reversible privacy screen filter
  • Glossy or matte finish
  • Anti-glare and scratch-resistant
  • Extra installation kits
  • Visible application tape

The Vintez Computer Privacy Screen Filter limits the viewing angle of your screen to a straight position such that only you can see the contents of your monitor screen while everyone on either side of it sees only a darkened monitor screen.

It also helps improve the confidentiality of your information, your surfing details, and so on. In other words, it reduces the risk of any visual hacking or visual theft.

Users who access corporate networks from remote locations pose a potential danger to data confidentiality because they are in an unsecured and uncontrolled area.

The danger consists in allowing unauthorized people to view the data that you are accessing and this is why you really need a privacy screen filter.

All the filters that we have presented are ideal for keeping your privacy as it should be, private.

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