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Ranked & Reviewed by Primea Reviews

The 6 Best Blue-Light-Filtering Monitor Privacy Screens, Ranked & Reviewed

By the Primea Editorial TeamUpdated November 3, 202610 min read6 products ranked

The short answer

The Peslv 2-Pack 24 inch privacy screen is the best buy for most desks, bundling privacy, glare reduction and blue-light filtering in a pair at a mid-range price. The 24 inch 2-pack with anti-glare is a close alternative, the 27 inch 2-pack covers larger panels, and the Mamol 34 inch is the only option for a curved ultrawide. The SightPro and the 21.5 inch filter are the single-screen budget picks.

The Primea Scoreboard

Ranked & Reviewed

01
Best Overall
Peslv [2-Pack] 24 Inch Privacy Screen, Eye Protection Anti Blue Light Glare Shield
A 24 inch 16:9 pair that bundles privacy, glare reduction and blue-light filtering at a fair price.
Outstanding
Check price
02
Best Anti-Glare Pair
[2 Pack] 24 Inch Computer Privacy Screen Filter, Anti Glare Blue Light
A second 24 inch pair that explicitly pairs anti-glare and blue-light filtering.
Excellent
Check price
03
Best 27 Inch Pair
[2 Pack] 27 Inch Computer Monitor Privacy Screen, Blue Light Filter
A 27 inch 16:9 pair in the $25 to $50 bucket for larger monitors.
Excellent
Check price
04
Best for Ultrawide
Mamol 34 Inch Curved Computer Privacy Screen Filter, Anti Glare Blue Light
The only filter here for a 21:9 curved ultrawide, with anti-glare, blue-light and anti-scratch layers.
Excellent
Check price
05
Best Single 24 Inch
SightPro 24 Inch 16:9 Computer Privacy Screen Filter for Monitor
A single 24 inch 16:9 filter in the $25 to $50 bucket, for one-monitor desks.
Very Good
Check price
06
Best Small Monitor Filter
Computer Privacy Screen Filter for 21.5 Inch 16:9 Aspect Ratio Monitor
A single 21.5 inch filter for smaller office monitors, in the $25 to $50 bucket.
Very Good
Check price

The first mistake buyers make with a privacy screen is measuring the diagonal and stopping there. A filter that is a quarter inch off in either direction either leaves a visible gap or overlaps the bezel, and neither looks or works right. Aspect ratio matters as much as the diagonal, which is why a 24 inch 16:9 filter will not fit a 24 inch 16:10 monitor.

This ranking covers six privacy screens that also filter blue light, from 21.5 inch single sheets to a curved 34 inch ultrawide. We reviewed the specifications and listings for size, aspect ratio, pack count, glare and scratch features and fit. We also state plainly that blue-light filtering is a modest comfort feature, not a medical treatment, and that every filter dims the screen somewhat.

Before you buy

What Actually Matters

Exact monitor size and aspect ratio

Privacy filters are cut to a specific width and height, so the diagonal alone is not enough. A 24 inch 16:9 filter is about 20.9 inches wide and 11.8 inches tall, while a 16:10 panel of the same diagonal is taller. Measure your visible screen area, not the bezel, and compare it with the listed dimensions.

Privacy angle

A privacy filter narrows the viewing angle so only the person directly in front sees the screen clearly. Side viewers see a dark or blank picture. The narrower the angle, the better the privacy and the dimmer the image straight on, so the right filter is a balance.

Blue-light filtering claims

Blue-light filters absorb some of the short-wavelength light from a screen and give a warmer tint. They can make a screen feel more comfortable in the evening, but they are not a medical treatment and the effect on eye strain is modest. Look for a stated filter on the listing, and keep expectations realistic.

Glare and surface finish

An anti-glare surface scatters reflections from windows and lights, which helps in bright rooms. A matte finish can slightly soften text, while a glossy filter keeps clarity but shows more reflections. Anti-scratch coatings protect a surface you will touch when cleaning.

Installation and removal

Filters attach with adhesive strips, tabs or slide-in brackets, and the method affects how easy they are to reposition. Large sheets can bubble if applied badly, and curved monitors add tension. Check the mounting method on the listing and clean the screen thoroughly before fitting.

In-depth reviews

Our Ranked Picks, Reviewed

Best Overall

Peslv [2-Pack] 24 Inch Privacy Screen, Eye Protection Anti Blue Light Glare Shield

Outstanding

Check price on Amazon

Our verdict: A 24 inch 16:9 pair that bundles privacy, glare reduction and blue-light filtering at a fair price.

The Peslv is a 2-pack of 24 inch, 16:9 privacy screens with blue-light filtering and a glare shield. It sits in the $50 to $100 bucket and suits dual-monitor desks or a spare for a second workstation.

It takes first place because it gets the three jobs a privacy filter must do into one product and gives you two of them. 24 inch 16:9 is the most common monitor size, so more people can use it without hunting for a fit. A pair works out cheaper per screen than buying singles, which helps when you run two monitors. Against the SightPro below it, you get a second filter and an explicit glare feature rather than privacy alone.

Buy it if you have a standard 24 inch widescreen monitor, or two. Check your monitor's exact dimensions first, because filters are sized to a specific width and height.

Size: 24 inch
Aspect ratio: 16:9
Pack: 2-pack
Features: Privacy, anti blue light, glare shield

What we like

+Two filters per pack
+Privacy and blue-light filtering combined
+Standard 24 inch 16:9 fit
+Glare shield reduces reflections

Watch out for

−Dims the screen somewhat
−Fits only exact 16:9 24 inch

Buy it if: Dual-monitor desks with standard 24 inch widescreen displays.

Skip it if: Your monitor is 16:10 or a different diagonal.

Best Anti-Glare Pair

[2 Pack] 24 Inch Computer Privacy Screen Filter, Anti Glare Blue Light

Excellent

Check price on Amazon

Our verdict: A second 24 inch pair that explicitly pairs anti-glare and blue-light filtering.

This is another 2-pack of 24 inch, 16:9 privacy screens, with anti-glare and blue-light filtering. Its price bucket, $50 to $100, matches the Peslv.

It ranks second because the two are nearly identical on paper, and the Peslv simply wins on the clearer eye-protection and glare shield description. The anti-glare surface helps in bright offices and rooms with windows, where reflections are the main complaint with a glossy panel. A matte finish also softens fingerprints. The tradeoff against the Peslv is less detail on the listing and a less recognizable name.

It is a fine choice if the Peslv is out of stock or you want anti-glare as the headline. As with any filter, expect some reduction in brightness and sharpness.

Size: 24 inch
Aspect ratio: 16:9
Pack: 2-pack
Features: Anti-glare, blue-light filtering

What we like

+Two filters per pack
+Anti-glare surface cuts reflections
+Blue-light filtering included
+Same bucket as the Peslv

Watch out for

−Less listing detail than Peslv
−Softens sharpness slightly

Buy it if: Bright offices where reflections are the main annoyance.

Skip it if: You want the clearest feature description on the listing.

Best 27 Inch Pair

[2 Pack] 27 Inch Computer Monitor Privacy Screen, Blue Light Filter

Excellent

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Our verdict: A 27 inch 16:9 pair in the $25 to $50 bucket for larger monitors.

This 2-pack covers 27 inch, 16:9 monitors with a blue-light filter and privacy filtering. It sits in the $25 to $50 bucket, which makes it good value for the size.

It ranks third because 27 inch monitors are common on home desks and the pair is priced under the 24 inch ones. The larger screen is where privacy matters most, since a bigger display is easier to see from the side, and where a pair is a real saving. The tradeoff is that bigger filters are harder to install bubble-free, and a larger sheet is more prone to creases in the mounting.

Buy it if you have a 27 inch 16:9 monitor, and measure it carefully. If your monitor has a different aspect ratio, this one will not fit.

Size: 27 inch
Aspect ratio: 16:9
Pack: 2-pack
Features: Privacy, blue-light filter

What we like

+Two filters for 27 inch screens
+Lower price bucket than 24 inch pairs
+Blue-light filtering included
+Suits common home monitors

Watch out for

−Bigger sheet is harder to fit
−Limited detail on the listing

Buy it if: Home desks with one or two 27 inch widescreen monitors.

Skip it if: Your monitor is not exactly 27 inch 16:9.

Best for Ultrawide

Mamol 34 Inch Curved Computer Privacy Screen Filter, Anti Glare Blue Light

Excellent

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Our verdict: The only filter here for a 21:9 curved ultrawide, with anti-glare, blue-light and anti-scratch layers.

The Mamol is a 34 inch privacy filter for 21:9 ultrawide monitors and is listed as curved-compatible. It adds blue-light filtering, anti-glare and anti-scratch properties, priced between $50 and $100.

Fourth place reflects its narrow audience, not a weakness. If you own a 34 inch curved ultrawide, nothing else on the list fits, and this one is the only option. Curved panels are the hard case for any filter, since a flat film has to bend to match the screen, so check that your monitor's curve is gentle enough. The anti-scratch layer is a useful bonus on a large, exposed screen.

Buy it if you have a 34 inch 21:9 ultrawide and want privacy at the office. Skip it for any other size.

Size: 34 inch
Aspect ratio: 21:9, curved-compatible
Features: Blue-light, anti-glare, anti-scratch
Price bucket: $50 to $100

What we like

+Fits 34 inch curved ultrawides
+Anti-scratch layer protects
+Anti-glare and blue-light included
+Only ultrawide option here

Watch out for

−Single sheet, one monitor
−Curve fit needs checking

Buy it if: Owners of 34 inch curved ultrawide monitors.

Skip it if: Your monitor is any other size or aspect ratio.

Best Single 24 Inch

SightPro 24 Inch 16:9 Computer Privacy Screen Filter for Monitor

Very Good

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Our verdict: A single 24 inch 16:9 filter in the $25 to $50 bucket, for one-monitor desks.

The SightPro is a single 24 inch, 16:9 privacy filter for monitors. It sits in the $25 to $50 bucket and is aimed at buyers with one screen.

It ranks fifth because the 2-packs give you a second filter at a similar total cost. The listing does not spell out a blue-light claim in the product name, so check the product page if blue-light filtering is your priority. The single-unit format is a plus if you only have one monitor and do not want a spare, and the SightPro name has been on the market for years.

It makes sense for a one-monitor desk where you want only privacy and do not need extras. If you have two screens, one of the 24 inch pairs is a better deal.

Size: 24 inch
Aspect ratio: 16:9
Pack: Single unit
Price bucket: $25 to $50

What we like

+Single unit for one monitor
+Standard 24 inch 16:9 fit
+Lower price bucket
+Established product line

Watch out for

−Blue-light claim less explicit
−No spare filter included

Buy it if: One-monitor desks that need basic privacy at a low price.

Skip it if: You have two monitors or want blue-light filtering confirmed.

Best Small Monitor Filter

Computer Privacy Screen Filter for 21.5 Inch 16:9 Aspect Ratio Monitor

Very Good

Check price on Amazon

Our verdict: A single 21.5 inch filter for smaller office monitors, in the $25 to $50 bucket.

This is a single-unit privacy filter for a 21.5 inch, 16:9 monitor. It sits in the $25 to $50 bucket and is aimed at buyers trying a privacy filter for the first time.

It ranks last because the listing says little about blue-light filtering or anti-glare and gives no feature set beyond the size. Still, 21.5 inch monitors are common in offices, reception desks and shared workspaces, and a filter is easy to justify where sensitive data sits on screen. The single format keeps the cost low.

It is a reasonable starter filter for a small monitor if privacy is the main aim. If blue-light filtering is the reason you are shopping, confirm it on the full product page before ordering.

Size: 21.5 inch
Aspect ratio: 16:9
Pack: Single unit
Price bucket: $25 to $50

What we like

+Fits common 21.5 inch monitors
+Low entry price bucket
+Easy first-time privacy filter
+Single sheet is simple to fit

Watch out for

−Few features listed
−Blue-light claim unclear

Buy it if: Reception desks and small office monitors that need basic privacy.

Skip it if: Blue-light filtering or anti-glare is a must-have.

Methodology

How We Ranked These

Fit and size range

A filter that does not match your monitor is useless, so we scored size, aspect ratio and curved-screen support, and noted exact-fit requirements.

Feature set

We compared privacy, blue-light filtering, anti-glare and anti-scratch claims on each listing, and gave less credit where the listing did not confirm a feature.

Pack value

Two filters at a similar price give more value than one, which matters for dual-monitor desks. We compared pack counts against price buckets.

Visual impact

Every filter dims the screen and adds some softness. We favored designs that pair anti-glare with filtering without promising unrealistic clarity.

Installation ease

Large sheets are harder to fit bubble-free and curved screens add another challenge. We considered how forgiving each format is to install and remove.

Every Primea Score uses the same weights: Performance 30% · Build & Materials 20% · Everyday Usability 20% · Value 20% · Owner Satisfaction 10%. Full scoring rules

Buyer's guide

How to Pick the Right One for You

By Monitor Size

Size is the one decision you cannot compromise on, so start by matching the filter to your screen.

Monitor	Our pick
21.5 inch 16:9	Computer Privacy Screen Filter for 21.5 Inch 16:9 Monitor
24 inch 16:9, one screen	SightPro 24 Inch 16:9 Computer Privacy Screen Filter
24 inch 16:9, two screens	Peslv [2-Pack] 24 Inch Privacy Screen
27 inch 16:9, one or two screens	[2 Pack] 27 Inch Computer Monitor Privacy Screen
34 inch 21:9 curved ultrawide	Mamol 34 Inch Curved Computer Privacy Screen Filter

By Budget

Spend	Our pick
$25 to $50, one monitor	SightPro 24 Inch 16:9 Computer Privacy Screen Filter
$25 to $50, pair for 27 inch	[2 Pack] 27 Inch Computer Monitor Privacy Screen
$25 to $50, 21.5 inch	Computer Privacy Screen Filter for 21.5 Inch 16:9 Monitor
$50 to $100, best overall	Peslv [2-Pack] 24 Inch Privacy Screen

Single Filter vs 2-Pack

Single filter

One sheet for one monitor, usually at a lower price. Best for single-screen desks. Picks: SightPro 24 Inch, 21.5 Inch Filter, Mamol 34 Inch.

2-pack

Two matching sheets for a dual-monitor desk or a spare. Better value per screen. Picks: Peslv 24 Inch, 24 Inch Anti-Glare Pair, 27 Inch Pair.

Default to a 2-pack when it exists for your size, since the second sheet usually costs very little extra.

By Environment

Where you work	Our pick
Bright office with windows	[2 Pack] 24 Inch Computer Privacy Screen Filter, Anti Glare Blue Light
Open-plan office, sensitive data	Peslv [2-Pack] 24 Inch Privacy Screen
Home desk, large monitor	[2 Pack] 27 Inch Computer Monitor Privacy Screen
Ultrawide workstation	Mamol 34 Inch Curved Computer Privacy Screen Filter

For Open-Plan Offices Specifically

Look for

An exact fit, a narrow viewing angle and an anti-glare surface, plus a pack count that matches your monitors. Check that blue-light filtering is stated.

In this ranking

Peslv 24 Inch for most desks, the 27 Inch pair for larger screens, and Mamol 34 Inch for ultrawides. The 21.5 inch filter suits reception monitors.

When to Spend More

Spend more if

You have two monitors or an ultrawide and want anti-glare and anti-scratch layers. The Peslv pair or Mamol 34 Inch earns the higher bucket.

Save if

You have one standard monitor and need privacy only. The SightPro or the 21.5 inch filter is enough.

Questions

Frequently Asked Questions

Will a privacy filter fit my monitor?+

Only if the filter matches your screen's width, height and aspect ratio. Measure the visible screen area and compare it with the listing, since a 24 inch 16:9 filter will not fit a 24 inch 16:10 monitor. Curved screens need a curved-compatible model like the Mamol 34 Inch.

What is the most common mistake when buying one?+

Buying by diagonal size alone. Two monitors with the same diagonal can have different aspect ratios and dimensions, and a filter that is slightly off will leave a gap or bubble at the edge.

Are blue-light filters worth it?+

They can make evening screen use feel more comfortable by warming the colors, but the effect on eye strain is modest and they are not a medical treatment. The privacy and glare reduction are the more reliable benefits, so buy for those and treat blue-light filtering as a bonus.

How do I install one without bubbles?+

Clean the screen thoroughly, remove dust with a lint-free cloth and attach the top edge first. Smooth the filter downward slowly to avoid trapping air. Larger sheets such as the 27 inch pair need extra care.

How do I clean a privacy filter?+

Dust it with a dry microfiber cloth, lift smudges with a lightly dampened one and keep solvents away. Anti-scratch coatings like the one on the Mamol help, but any filter can be marked by rough wiping.

Will a filter make my screen dim?+

Yes, every privacy filter reduces brightness and adds some softness, because the film narrows the viewing angle. Raise the monitor brightness a little, and consider a model with anti-glare like the 24 inch anti-glare pair for bright rooms.

Final take

The Peslv 2-Pack 24 inch privacy screen is the best blue-light-filtering privacy filter for most desks, with strong features in a pair at a mid-range price. Choose the 27 inch pair for larger monitors, the Mamol 34 inch for a curved ultrawide, and the SightPro or 21.5 inch filter for a single screen on a budget. Match size and aspect ratio exactly, and you will get a clean fit and a usable screen.

More Ranked & Reviewed Guides

The 5 Best 24-Inch Monitor Privacy Screens of 2026, Ranked & Reviewed The 7 Best Privacy Screens for 27 Inch Monitors, Ranked & Reviewed The 6 Best Anti-Glare Privacy Screens for Monitors in 2026, Ranked & Reviewed