123MouseTest

📱 Touchscreen Test

Check that your touchscreen registers taps accurately across the full surface, tracks multiple fingers at once, and detects swipes cleanly — all in your browser.

No touch input detected yet. This page is best used on a touchscreen device (phone, tablet, or touch-enabled laptop). If you're on a touchscreen and see this message, try tapping anywhere on the page first.
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Multi-Touch Test

Place one or more fingers on the box below. Each touch point is tracked live with its own number and color, so you can see exactly how many simultaneous touches your screen supports.

Touch here with one or more fingers
Try holding several fingers down at once
Active touches
0
Max simultaneous
0
Total touch events
0
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Tap Accuracy Test

Tap every cell in the grid below to make sure your screen registers touches evenly, with no dead zones near the edges or corners.

Cells tapped
0 / 16
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Swipe Detection Test

Swipe in any direction inside the box below to check that gesture direction and distance are detected correctly.

↔️
Swipe here in any direction
Last direction–
Last distance–
Last duration–
Swipe count0
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How This Test Works

  1. The Multi-Touch box listens for every finger touching the screen at once, drawing a numbered, colored dot for each one so you can see if any go missing.
  2. The Tap Accuracy grid marks each cell green the moment it registers a tap, which makes it easy to spot dead zones — especially near screen edges and corners.
  3. The Swipe box measures the straight-line distance and time between where a touch starts and where it ends, then reports the direction (up, down, left or right) and speed.
  4. Nothing here works with a mouse — these tests rely on real touch events, so a touchscreen, tablet, or touch-enabled laptop is required.
Why this matters: When the digitizer of a touchscreen starts failing, mostly you see that one finger is not getting detected while others work fine, taps near the edges are missed, or swipes are read in the wrong direction. So running all three tests above, multi-touch, tap accuracy and swipe detection, helps you understand if the issue is in the hardware itself or in some app or driver. And if you are checking a physical mouse instead, you can go to the Mouse Test page.
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About the Touch Screen Test & Its Purpose

Since most of the people today use touch devices whole day, a small issue in screen can become very irritating. The Touch Screen Test is a free browser based tool which checks if your touchscreen is taking the touch input properly or not, and it helps you find where exactly the problem is.

When you run this test, it checks three things at the same time. It sees how many fingers your screen can track together, as some screens takes only one or two touches and some can take ten. It also checks if all area of the screen is responding to tap, because many times corners and edges stop working before the center. Along with this it reads your swipes to see if the direction and distance is coming correct.

Now let me tell you why this is useful. Phones, tablets, touch laptops and kiosk screens all have a digitizer layer under the glass which senses your touch, and after long use or any damage this layer can have dead areas, miss fingers in multi-touch or read swipes wrong. Many users think the app has a bug when actually its the screen, or sometimes the opposite. Since this test checks only the screen without any app in between, you get to know clearly which one is the problem.

All the testing happens in your browser only, so nothing is uploaded, tracked or stored, and there is no installation also. It works on any modern mobile or touch enabled browser.

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How to Fix if my Touch Screen not pass the test?

Work through these in order — most touch issues turn out to be software, dirt, or a case/film problem rather than the digitizer itself.

  1. Clean the screen and your fingersGrease, moisture, and dust are the single most common cause of missed or inconsistent taps. Wipe the screen with a dry microfiber cloth and make sure your fingers are clean and dry, then retest.
  2. Remove any screen protector or case edgeThick or bubbled screen protectors, and cases that overlap the glass edges, can block touch near the bezel — exactly where the Tap Accuracy grid often shows dead cells.
  3. Restart the deviceA frozen or misbehaving touch driver is often cleared by a simple restart, especially if the problem appeared suddenly after an update or a specific app.
  4. Update your OS and graphics/touch driversOn touch-enabled laptops, an outdated digitizer or graphics driver can cause missed touches or phantom input. Check for pending system updates before assuming it's hardware.
  5. Test with a different case, cable, or charger unpluggedSome chargers and cables introduce electrical noise that interferes with capacitive touch sensing. Unplug from power and retest, and try the device without its case.
  6. Check for physical screen damageCracks, moisture ingress, or a loose display connector cause consistent dead zones or a section of the screen that never responds. If specific areas fail every time across restarts, the digitizer or its connector likely needs professional repair.
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Frequently Asked Questions

Why does part of my screen not respond to touch?
Mostly this is a dead zone, which means one part of the digitizer is no longer sensing the touch. This can happen because of physical damage like a crack or fall, moisture going under the glass, a loose display connector, or a thick screen protector which blocks the touch near edges. Better to run the Tap Accuracy grid few times and see if the same cells are failing every time, before you decide its a hardware problem.
Why does my screen only register one finger instead of multiple?
Now most of the touchscreens today supports 5 or more touch points at the same time, but a failing digitizer, a low quality screen protector or moisture on the glass can make it miss the extra fingers. If the Multi-Touch test keeps showing less touches than what your device supports, first clean the screen properly and then test again after removing the case or protector.
Can a screen protector actually cause test failures?
Yes. Thick tempered-glass protectors, bubbled or peeling film, and protectors that don't sit flush near the edges are a very common cause of missed taps and reduced multi-touch accuracy — especially in the Tap Accuracy grid's corner and edge cells. Removing it temporarily is a quick way to rule this out.
Does this test work on a laptop that isn’t touch-enabled?
No, on a normal laptop this test will not work properly. The Multi-Touch and Swipe tests depends on real touch events, and a laptop without touchscreen does not send these events at all. You can still use your mouse to click around and see how the tests behave, but whatever result comes will not tell anything about touch hardware. Now if you actually want to check your mouse, then the Mouse Test page is the right place for that.
My swipes are being detected in the wrong direction — what causes that?
When swipe direction comes wrong, most of the users think the screen is damaged, but in many cases the hardware is fine. If the swipe starts or ends near some dead area, the test can lose the path, and if the finger leaves the screen in angle the direction can change also. A very short swipe is one more reason, since test need enough distance to read it. So my suggestion is to do slow and long swipes in center of the box few times, and only when still it shows wrong then think about the digitizer.