We may earn a commission if you purchase a product through one of our links

Top 10 Best blackout screen for computer 21.5 Reviews

Top 10 Rated blackout screen for computer 21.5 in 2022 Comparison Table

Bestseller No. 1
SightPro 21.5 Inch Computer Privacy Screen Filter for 16:9 Widescreen Monitor - Privacy and Anti-Glare Protector
  • Privacy Filter Dimensions: Width: 18 3/4" (477 mm), Height: 10 9/16" (268 mm), Diagonal: 21.5" (546.1 mm) - SightPro Blackout Privacy Screen Filter is engineered to be compatible with HP, Dell, Samsung, Lenovo, LG, Acer, ASUS, ViewSonic, and other monitor brands. Please verify your computer screen's width and height measurements before ordering. It's not recommended to make your selection based solely on your computer screen's diagonal size.
  • Two Attachment Options - Installs in minutes. Option 1 uses clear adhesive strips that securely attach to any computer screen. Option 2 (for computer screens with a raised bezel only) uses slide mount tabs that easily stick to the display frame, allowing you to slide the privacy screen filter on and off as needed.
  • Superior Privacy and Anti Glare - Our advanced multi-layered film filter blacks out your computer screen when viewing from the side, while maintaining a crystal clear screen straight-on. It also protects your eyes from harmful glare, UV, and blue light. [Note: It does not block visibility directly behind you, regardless of the distance.]
  • Perfect for Travel and Open Workspaces - Our computer screen privacy filter is the ideal solution for healthcare providers, mobile workers, commuters, students, and business travelers. Now you can stay compliant and safeguard sensitive corporate information while working in airplanes, subways, airports and public areas.
  • Package Contents - Each package includes one privacy screen filter, two sets of clear adhesive strips, two sets of slide mount tabs, and a microfiber cleaning cloth. Buy with confidence – located in the US, SightPro specializes in providing best-in-class privacy solutions to individuals, small businesses, corporations, government, and educational institutions.
Bestseller No. 2
Skylarking 21.5 inches Computer Privacy Screen Filter, Anti-Spy Anti-Glare Screen Protector Film Compatible 21.5" Widescreen Computer Monitor with Aspect Ratio 16:9 (WxH:476mm x 268mm)
  • 💎Compatible Model(s): Perfectly fits 21.5 inch (Diagonal Measure) Widescreen Computer Monitor with16:9 aspect ratio. Actual Filter size(WxH): Width: 18 3/4 inches, Height: 10 9/16 inches (476mm x 268mm). Measure the size before ordering! Contact us if you have any questions about dimensions.
  • ●Premium Privacy Filter: When the filter is placed over a monitor or laptop, one can see what is displayed when directly in front. However, as one gradually moves to the left or right, the screen darkens and will eventually "black out" when beyond 30 degrees from the center of the screen. *Note that others behind you can still see the screen contents.
  • ●High Quality Eye and Screen Protection: 4H surface hardness and anti-scratch coating protects the filter. The multi-layer design helps reduce blue light and UV exposure. *Not Compatible with Touchscreens.
  • ●TWO ATTACHMENT OPTIONS - Easy to use. Option 1 uses clear adhesive strips that securely attach to any monitor. Option 2 uses slide mount tabs that easily stick to the display frame, allowing you to slide the filter on and off the screen as needed.
  • ●Keep Personal Data and Confidential Information Secure: Perfect for office settings, financial institutions, health care providers, or any corporate setting where data privacy is important. Kindly Note: : If you receive the filter about any size problem, please feel free to send the email to us. We provide 24 hours friendly email customer support for you.
Bestseller No. 3
21.5 inch Computer Privacy Screen (16:9) - Black Security Shield - Desktop Monitor Protector - UV & Blue Light Filter by Akamai (21.5 inch Diagonally Measured, Black)
  • PRODUCT DIMENSIONS: LENGTH 18 3/4" (476mm), HEIGHT 10 9/16" (268mm), DIAGONAL 21 1/2" (546mm). Akamai Blackout Privacy Screen Filter is engineered to be compatible with HP, Dell, Samsung, Lenovo, LG, Acer, ASUS, ViewSonic, and other monitor brands. Please verify your computer screen's width and height measurements before ordering. It's not recommended to make your selection based solely on your computer screen's diagonal size.
  • LEAVE VISUAL HACKERS IN THE DARK: Don't expose personal or business data to prying eyes. These filters darken your LCD screen if seen from the sides, while allowing clear vision for you. Keep your computers secure with these industry best protectors.
  • WE'VE GOT YOUR SCREEN COVERED: Our 21.5 inch (21.5" diagonally) desktop filter is 1 of 26 covering 1,000's of displays with the highest quality polymer film available. We cover both standard and widescreen monitors & the full range of aspect ratios.
  • EASY INSTALLATION: It's a snap to apply your Akamai monitor privacy screen. We use the highest quality 3M adhesives to ensure long lasting protection. We've included full installation instructions so you'll have no problem applying the filter to your screens.
  • BLUE LIGHT & ANTI-GLARE EYE PROTECTION: Not only will your Akamai computer screen privacy shield protect your login and other data from prying eyes, it reduces harmful blue light by 70%. And its 9H hardness rating also provides a layer of physical protection to your screen.
Bestseller No. 4
BesLif 21.5 inch Wide Privacy Filter Screen Protector Film Widescreen Monitor 16:10 ratio
  • 21.5 wide privacy film (diagonally measured) : perfect for public and high traffic areas. Compatible with HP, Samsung, Dell, Lenovo, Acer, Asus, LG, ViewSonic, and other monitor brands
  • Dimension (Width x Height) : Width: 18 3/4" (18.8 inches/476 mm), Height: 10 9/16" (10.6 inches/268 mm) - Aspect Ratio 16:9, "Check your only screen size without frame, before purchasing!"
  • Effective "black out" privacy from side views outside the 60-degree viewing angle. This function works for left and right sides, not for back side.
  • Reversible glossy or matte surface finish, matte side reduces extra glare and reflections. Over 3H surface hardness anti-scratch technology protects screen from dirt, debris and scratches. / Simple bulk package for supplying in the most reasonable price.
  • Reduces digital eye strain, Blocks 100% of Hazardous UV light and reduces HEV Bluelight up to 100% with excellent Color Transmittance, Hanging type screen protector to monitor - easy to use
SaleBestseller No. 5
Amazon Basics Privacy Screen Filter - 21.5 Inch 16:9 Widescreen Monitor, Anti Glare & Blue Light Filter (21.5 inch (16:9), 18.77" x 10.56")
  • Privacy screen helps keep screen information safe from prying eyes; ideal when flying, commuting, or working in a cafe or other public space
  • Creates a restricted viewing angle of only 60 degrees, so facing the screen can see, but off to the side can only see a darkened screen
  • Reduces harsh blue light for less eye strain; protects against dust and scratches; easily attaches with included bezel tabs or removable adhesive strips
  • Reversible: choose the glossy side for an extra clarity or the matte side to minimize glare and distracting reflection
  • Measures 18.8 by 10.6 inches; fits a 21.5-inch widescreen monitor (16:9); backed by an Amazon Basics 1-year limited warranty
Bestseller No. 6
Kantek Secure-View Blackout Privacy Filter for 21.5-Inch Widescreen Monitors (Measured Diagonally – 16:9 Aspect Ratio), Anti-Glare, Anti-Blue Light (SVL21.5W)
  • Keeps confidential work secure from prying eyes so only you see what you're working on
  • Multi-layer film with louver construction blacks out screen image when viewed from either side, while keeping a crystal-clear image when viewing the screen straight-on
  • Reduces glare, increases contrast, protects the display from scratches and dirt, and can help health care institutions meet HIPAA Patient Privacy Act compliance
  • Reduces blue light emissions by over 40%
  • Lightweight, thin, frameless design is easy to attach and remove, and easy to clean with microfiber cleaning cloth included
Bestseller No. 7
21.5 Inch Monitor Screen Protector -Blue Light Filter, Eye Protection Blue Light Blocking Anti Glare Screen Protector with 16:9 Aspect Ratio Screen(476x268 mm) for 21.5" Widescreen Desktop Monitor
  • Fits for 21.5 inch with Aspect Ratio 16:9 monitor -DIAGONALLY MEASURED 21.5” (Measured Viewable Display Area Diagonally, Corner to Corner Without the Frame), filter size(W x H): 18.7 inches (47.6cm) x 10.4 inches (26.8cm)-Before buying, please measure the monitor as picture 2 to avoid buying
  • Blue light filter, Anti-glare filter, UV400 protection, Radiation Protection, Anti-static, relieve the fatigue of eyes and help you sleep better
  • Perfect for short-sighted person, school student, office worker, social media addict, online gamer, fashion lover etc.
  • Newest bubble adsorption design can remove all small bubbles by press with Scraping card, Anti-glare Matte process effectively reduce the glare & visual fatigue
  • Includes:  Screen protector x1, Gift Cleaning Cloth x1, Friendly customer service--for any product problems or not satisfied with it, please feel free to contact us
Bestseller No. 8
VINTEZ 21.5 Inch Computer Privacy Screen Filter for 16:9 Widescreen Monitor - Privacy - Anti-Glare - Anti-Scratch Protector - Provides 1.5 Times More Effective Privacy
  • 🛡️【 Enhanced Privacy 】-- Vintez Computer privacy screen filter is perfect for public and high traffic areas. Vintez Blackout Privacy Screen Filter is engineered to be ideally compatible with HP, Samsung, Dell, Lenovo, Acer, Asus, LG, ViewSonic, and other monitor brands. Please confirm the width and height measurements for your computer screen before ordering. We advise against making a selection based solely on a computer screen’s diagonal size.
  • 🛡️【 Privacy Filter Dimensions 】-- If the active area of your display has the following dimensions: Width: 18 3/4" (18.8 inches/476 mm), Height: 10 9/16" (10.6 inches/268 mm) - Aspect Ratio 16:9, then this filter is good for you. Contact us if you have any questions about dimensions.
  • 🛡️【 Dark Screen For Others 】-- Clear view for you. The computer privacy filter makes the screen appear dark when looking at it from an angle (the angle is about 30°- 60°), but bright when looking directly at it. To change the privacy angle from 60° to 30° degrees - simply adjust your monitor’s brightness level.
  • 🛡️【 Doubles As Screen & Eye Protector 】-- Protects your eyes by filtering out 96% UV and curbing blue light by 65%. It’s a reversible privacy screen filter, giving you the flexibility to choose glossy or matte finish – Choose the matte to reduce external glare. The filter is Anti-Glare and Scratch Resistant!
  • 🛡️【 Easy Installation 】-- Includes two, easy-to-attach options - Attachment strips and Slide-mount tabs. Package contains Extra installation kits. We guarantee all screen filters have 100% quality due to hand checking. ✅ Lifetime Replacement Policy – Your computer privacy screen is protected under our lifetime replacement policy and if anything happens we will send you a new privacy screen at absolutely no cost. You can relax worry-free, knowing you can rely on the help of Vintez Technologies.
Bestseller No. 9
Privox 19" Computer Privacy Screen Filter for 5:4 Standard Monitor - Premium Quality Anti-Glare Computer Screen Cover - Anti-Scratch - UV and Blue Light Screen Protector
  • FITS MONITOR SIZES OF 19” STANDARD (SQUARE) 5:4 – Computer Screen Privacy Filter Dimensions – DIAGONAL: 19”, WIDTH x HEIGHT: 14 13/16" x 11 7/8" (377mm x 302mm). Please measure your computer screen width and height carefully before order placing
  • ENHANCED PRIVACY and ANTI GLARE – thanks to a partnership with LG who provides Premium certified materials that make our monitor privacy screen exceptional value for money. Whether you're working in the office, airport, airplane or other public areas you can trust your privacy is protected
  • OTHERS SEE A DARK SCREEN – you enjoy a crystal clear view! Privox computer monitor privacy filter has transparency over 85% thanks to our new 12 layers model. Our computer blackout screen blocks visibility for intruders looking from an angle of 30 deg and more
  • WORKS AS EYES and COMPUTER SCREEN PROTECTOR – your health is protected by blocking of glare, blue light display transmission and filtering out UV. Privox privacy screen for computer monitor effectively reduces eyestrain, dry eye and insomnia caused by LCD screen, protects LCD panel from scratches
  • EASY INSTALLATION and TOUCHSCREEN COMPATIBILITY – we provide 2 attachment options for super easy installation. Our advanced technology offers comfortable use even with touchscreens
Bestseller No. 10
Universal 20" - 22", 20", 20.2", 21.5", 21.6", 22" - 16:9/16:10 Aspect Ratio - Computer Privacy Screen Filter for Widescreen Computer Monitors - 19.4" x 12.6"(492 x 319mm) - Monitor Frame Hanging type
  • Enhanced Privacy – Premium Vintez Computer privacy screen filter is perfect for public and high traffic areas. It uses revolutionary micro-louver technology. Anti-Scratch Technology. The acrylic filter is a universal size. The length and width may not be a perfect fit, so the filter may be a little longer and wider.
  • Dark Screen For Others – Clear view for you. The computer privacy filter makes the screen appear dark when looking at it from an angle (the angle is about 30°- 60°), but bright when looking directly at it. To change the privacy angle from 60° to 30° degrees - simply adjust your monitor’s brightness level.
  • Privacy Screen Fits 20-inch to 22-inch - 20", 20.2", 21.5", 21.6", 22" widescreen monitors with a 16:9 or 16:10 aspect ratio. Actual Filter Size: Width: 19.4 inches (492mm), Height: 12.6 inches (319mm). Contact us if you have any questions about dimensions.
  • Doubles As Screen & Eye Protector - Superior Visual Clarity to prevent dry and strain eyes. Protects your eyes by filtering out 96% UV and curbing blue light by 65%. We guarantee all screen filters have 100% quality due to hand checking.
  • Easy Installation – Simple, quick and convenient Micro-suction technology secures to the monitor bezel without hassle or adhesives or slide-mount tabs, so you can easily take the privacy filter on and off your monitor.
Are you searching for top 10 great blackout screen for computer 21.5 for the money in 2022? After evaluating and analyzing in detail more than 33,855 customer satisfaction about top 10 best blackout screen for computer 21.5 in 2022, we have come up with the top 10 rated products you may be interested in. We have ranked the best brands from Artificial Intelligent and Big Data, as you see below:

Our Best Choice: 21.5″ Privox Computer Privacy Screen Filter for 16:9 Widescreen Monitor – Premium Quality Anti-Glare Computer Screen Cover – Anti-Scratch – UV and Blue Light Screen Protector


Our rating:4.8 out of 5 stars (4.8 / 5)





Product Description

Privox LogoPrivox Logo

Invest In the #1 Computer Privacy Filter in the Market! Absolutely new product made of Premium materials from LG Electronics!

Not all computer privacy films are created equal. Our LCD monitor filter ranks among the very top screen filters in the market today. Check out why:

Advanced micro-replication technology and 12 layers of film make Privox Privacy Filter stand out from others as we offer Highest Quality product

Designed to fit all widescreen laptop LCD monitors (21.5″ screen and a 16:9 aspect ratio)

Anti-reflective and anti-glare technology offers amazing screen clarity

Excellent protection from dust, debris and scratches

With reversible matte and glossy finish

Extra slim, lightweight and frameless design

Greatly reduces blue light display transmission as well as UV rays

Very easy to attach and remove

Made of durable polymer plastic

Get It with Confidence

Waste Not Another Moment! Be the first one who has an opportunity to evaluate all benefits of our product!

Privox Advanced Optical Technology for Maximum Visual Privacy

Privox Privacy ScreenPrivox Privacy Screen

How many times have you experienced annoying prying eyes trying to make their way into your confidential electronic documents and private information? Wouldn’t you just like to keep those intrusive looks at bay? Privox computer privacy filter to the rescue! With this intelligent LCD monitor darkening filter you can now protect your private data and discourage potential intruders from picking up confidential information while you are working on your PC or laptop. Featuring advanced micro-replication technology this effective screen filter will finally allow you to feel completely protected even in high traffic environments.

dimensionsdimensions

Privox 21.5 inch Widescreen (16:9 Ratio) Privacy Filter Screen Specifications

​Aspect Ratio: Widescreen (16:9) for Desktop LCD monitors

Diagonal Length: 21.5 inches Diagonally Measured From Corner To Corner Without The Frame

Width: 18.7 inches (476 mm) – THIS MEASUREMENT IS CRITICAL!!!

Height: 10.5 inches (268 mm) – THIS MEASUREMENT IS CRITICAL!!!

Materials Origin: LG Electronics

Can also be trimmed to desired size!

visible anglevisible angle

highest privacy and anti-glarehighest privacy and anti-glare

package contentpackage content

VIEWING ANGLE FOR BEST PRIVACY

You can read your monitor screen sitting behind as well as up to 60 deg viewing angle. Anyone located outside this angle range can only see dimmed or totally black screen

Does Not Block Visibility Behind You!

HIGHEST PRIVACY AND ANTI-GLARE

– For the highest level of privacy use glossy side of Privacy Filter facing the user

– For anti-glare function use matt side of the Privacy Filter facing the user

FREE BONUS & EASY INSTALLATION

We provide 2 attachment options for you to choose.

Option 1 consists of optically clear double-sided adhesive attachment cells

Option 2 consists of transparent Slide mount tabs. We offer extra Installation kit as a FREE BONUS

Dark environmentDark environment

UV and Blue-light protectionUV and Blue-light protection

FITS MONITOR SIZES OF 21.5” WIDESCREEN 16:9 – Computer Screen Privacy Filter Dimensions – DIAGONAL: 21.5”, WIDTH x HEIGHT: 18 3/4″ x 10 9/16″ (476mm x 268mm). Please measure your computer screen width and height carefully before order placing
ENHANCED PRIVACY and ANTI GLARE – thanks to a partnership with LG who provides Premium certified materials that make our monitor privacy screen exceptional value for money. Whether you’re working in the office, airport, airplane or other public areas you can trust your privacy is protected
OTHERS SEE A DARK SCREEN – you enjoy a crystal clear view! Privox computer monitor privacy filter has transparency over 85% thanks to our new 12 layers model. Our computer blackout screen blocks visibility for intruders looking from an angle of 30 deg and more
WORKS AS EYES and COMPUTER SCREEN PROTECTOR – your health is protected by blocking of glare, blue light display transmission and filtering out UV. Privox privacy screen for computer monitor effectively reduces eyestrain, dry eye and insomnia caused by LCD screen, protects LCD panel from scratches
EASY INSTALLATION and TOUCHSCREEN COMPATIBILITY – we provide 2 attachment options for super easy installation. Our advanced technology offers comfortable use even with touchscreens

About Paul S. Brunet

Known as the "Tech Lover", Paul is an expert of current and trending technology. Here at TinyGrab, he makes "tech" easy to understand for the average person.

Leave a Comment