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The Best 21.5 Inch Privacy Screen of 2023 – Reviewed and Top Rated

2,333 Reviews Scanned

Rank No. #1

[2-Pack] 21.5 Inch Privacy Screen for Computer Monitor 16:9 Aspect Ratio, Eye Protection Anti Blue Light Glare Shield, 21.5inch Removable Black Blackout Anti Spy Desktop Security Private Filter

【PRIVACY FILTER DIMENSIONS】- Width: 18 3/4" (477 mm), Height: 10 9/16" (268 mm), Diagonal: 21.5" (546.1 mm) - Peslv Dark 21.5 inch Privacy Screen Filter is engineered to be compatible with 21.5in Dell, HP, Samsung, Lenovo, LG, Acer, ASUS, Toshiba, ViewSonic, Aoc, Sceptre, PHILIPS, ViewSonic and other brands monitors with 16:9 aspect ratio. Please verify your computer screen's width and height measurements before ordering. It is not recommended to select a size based solely on the diagonal.
【HIGH-CLASS PRIVACY ABLE】Peslv collected suggestions from more than 2000 computer users and performed 21.5188 anti-peep angle corrections on the micro-blind optical technology to ensure that any line of sight beyond +-30° facing the screen will be shielded. With a Peslv computer privacy screen 21.5 inch, Protect the privacy of your computer monitor screen and no longer leak any confidential data.
【2 MOUNTING OPTIONS FOR EASY INSTALLATION】The Peslv 21.5 inch privacy screen for monitor supply 2 installation options, Various installation options, are Compatible with both 21.5" computer monitors with raised bezels and full-screen 21.5" computer monitors without raised bezels, and convenient installation allows you to complete the installation in 9 seconds. NOTE: Monitors without raised bezels are only available with mounting option 2.
【EXCLUSIVE DOUBLE-SIDED TECHNOLOGY】21.5-inch monitor privacy filter has a double-sided surface technology developed by Peslv. Matte or Glossy. With the matte surface facing outward, you can experience the advanced AG anti-glare technology from Germany while maintaining a 30-degree privacy angle, softening the strong light outdoors, and making the screen content clearly visible. With the glossy side facing outward, you can get a super anti-peeping effect with a privacy angle of 26 degrees.
【PROTECT SCREEN ALSO EYES】Filtering optical materials imported from Japan can reduce 92% of blue light and 98% of UV light, and filter all harmful light emitted from the screen to protect your eyes. The high-transparent and reinforced built-in protective layer not only presents high-definition picture quality but also protects your screen from scratches. Hurry up and place an order, own a privacy screen for a computer monitor 21.5 inch, and protect your monitor screen and your eyes.

Rank No. #2

Izmapaic Computer Privacy Screen Filter for 21.5 Inch 16:9 Widescreen Monitor, Anti-Spy/Anti Glare Protector Office Accessories - WxH: 18 3/4" x 10 9/16" (476mm x 268mm)

Privacy Screen Filter Size: If the visible area of your display has the following dimension: Width x Height (Exclude Frame/Arrow 1 to 3 mm errors): 18 3/4" x 10 9/16" (476 mm x 268 mm), then this filter is good for you. Very Important to double check your screen's Width and Height excluding frame before ordering. It's not recommended to make your selection based solely on your screen's diagonal size
Left and Right Privacy: Not block visibility directly behind you, regardless of distance. The privacy filter makes the screen appear dark when looking at it from an angle (left and right 30 to 180 degree), but clear when looking directly at it. To change the privacy levels, simply adjust your monitor's brightness level accordingly
Matte and Glossy Sides: It's a reversible privacy screen filter, giving you the flexibility to choose glossy or matte finish. The matte side will have less glare, however the glossy side will have stronger privacy
Perfect for Open Workspaces: Ensure your working space is bright and well lit. Privacy screens do not work in dimly lit areas
Two Installation Option: Option 1 uses clear double side 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 take out the privacy screen filter easily as needed

Rank No. #3

[2 Pack] 21.5 Inch Computer Privacy Screen for 16:9 Aspect Ratio Widescreen Monitor, Eye Protection Anti Glare Blue Light Computer Monitor Privacy Filter, Removable Anti-Scratch 21in Protector

【21.5 PRIVACY FILTER DIMENSIONS】 Width: 18 3/4" (477 mm), Height: 10 9/16" (268 mm), Diagonal: 21.5" (546.1 mm)- Aspect Ratio 16:9. Mamol computer privacy filters are designed to be perfectly compatible with HP, Samsung, Dell, Lenovo, Acer, Asus, LG, ViewSonic and other brands of monitors. Please check the width and height dimensions of your computer screen before ordering. If you have any questions about the dimensions, please contact us.
【ENHANCED PRIVACY PROTECTION】Mamol 21.5 inch computer privacy filter keeps your electronic information confidential, making it excellent for use in high traffic areas. the computer privacy screen 21.5 inch is designed with advanced microlouver technology to block visibility at around 30 degrees and black out screens completely near 60 degrees.
【BETTER HD CLARTIY】Mamol 21 inch computer privacy screen Shield adds an extra layer of AR Ultra HD light transmission compared to others. It maintains the high definition of the screen without sacrificing too much screen brightness. It won't reduce the brightness and cause eye fatigue because of the privacy screen installed on the screen.
【EYES PROTECTION】 This blackout privacy screen greatly reduces eye strain and minimizes potential hazards to vision. It filters 99.9% of UV rays and suppresses 98% of blue light. As a reversible 21 inch privacy screen filter: The glossy side of the protector provides extra clarity and greater privacy, and the matte side minimizes glare and distracting reflections. Satisfy your different daily uses as needed.
【ANTI SCRATCH & WASHABLE 】Our privacy anti-glare Monitor film has a surface enhancement layer to protect the privacy filter from scratches and fingerprints. It is washable and reusable. Even after prolonged use, you will get a brand new privacy screen for your desktop computer monitor after cleaning. Very Durable!

SaleRank No. #4

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

Rank No. #5

Vxaop [2 Pack] 21.5 Inch Computer Monitor Privacy Screen for 16:9 Aspect Ratio - Anti-Glare, Blue Light Filtering, Eye Protection, Removable Anti-Scratch Privacy Shield Screen 21.5in

60° Privacy Protection‌ – Restrict screen visibility to a narrow 60° angle to block coworkers or bystanders from viewing sensitive data in open offices or public spaces.
‌Anti-Glare Matte Coating‌ – Eliminate distracting reflections and glare from overhead lights or sunlight while maintaining crisp, clear screen visibility.
95% Blue Light Reduction‌ – Advanced filter technology reduces harmful blue light emissions to minimize eye strain, headaches, and fatigue during extended work hours.
21.5 Inch Privacy Screen for Monitor – Monitor privacy screen 21.5 inch is a perfect fit for 21.5 Inch widescreen monitor which have a 16:9 aspect ratio screens measuring 18.70 x 10.51 inches.
Universal Compatibility‌ – Fits curved/flat monitors from brands like Dell, HP, ASUS, and LG; backed by a 1-year warranty for risk-free purchase.

Last update on 2025-07-12 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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Brand Value: Every brand of 21.5 Inch Privacy Screen has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an 21.5 Inch Privacy Screen?
Specifications: How powerful they are can be measured.
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Customer Ratings: Number ratings grade 21.5 Inch Privacy Screen objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 21.5 Inch Privacy Screen.
Product Quality: You don’t always get what you pay for with an 21.5 Inch Privacy Screen, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an 21.5 Inch Privacy Screen is should be an indication of how long it will work out for you.

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FAQ:

Q: Why do I need a computer privacy screen?

A: Computer privacy screens help protect against visual hackers and keep your sensitive information confidential. With the growing amount of data breaches and malware attacks each year, PC users, small business owners, large companies, and global enterprises alike are all strengthening their security measures to combat cybercrime.

Q: What is the best privacy screen for laptops?

A: Best Overall: Homy 15.6-inch Laptop Privacy Screen. If you own a 15.6-inch laptop, which is arguably the most common screen size, then look no further than the Homy 15.6-inch Laptop Privacy Screen.

Q: What is a monitor privacy screen?

A: Privacy screens are a form of monitor filters, which prevent light from reflecting off of a glass screen. Most make one’s screen appear black from an angle, but some emit a bright color, while still covering up the content on the computer.

Q: What is the privacy screen?

A: DIY Bamboo Privacy Screen. … Frame Gallery Screen. … Zen Atmosphere. … Outdoor Privacy Screen for Courtyard. … Patio Privacy Screen. … Outdoor Metal Privacy Screen. … Lattice Panel Privacy Screen. … DIY Balustrade Privacy Screen. … Wood Panels Privacy Screen. … Outdoor Privacy Screen From Old Closet Doors. …

21.5 Inch Privacy Screen