Double-Click Test
Find out whether your mouse double-clicks when it should not. Click once in the test area and the tester shows whether your computer saw one click or two, and the gap between them in milliseconds. A worn switch that fires twice from a single press shows up straight away. Free, runs in your browser.
- No app to install
- 100% free
- Nothing is recorded
- No sign-up, no email
- Works on any device
How to use it
- 1
Click once, deliberately
Make a single, clean click in the test area. The tester records the time of each click event your computer receives.
- 2
Watch the gap
If one press produces two events, the gap between them is shown in milliseconds. A real double-click is two presses; a misfire is one press counted twice.
- 3
Repeat to confirm
Click several times. A healthy mouse shows one event per press every time. Stray doubles that keep appearing point to a failing switch.
When it comes in handy
Confirming a worn switch
Prove that a mouse opening files twice or dropping drags is firing a phantom second click, not your hand slipping.
Before repairing or replacing
Check whether a misbehaving mouse is worth fixing, by measuring how often a single press doubles up.
Testing after a repair
Confirm a switch replacement or a software fix has actually stopped the double-clicking before you rely on the mouse.
Instant & 100% private — nothing is recorded
The test runs right here in your browser. When it needs your camera or microphone, the feed is shown to you and nothing else: never uploaded, never recorded to a server, never stored. There is no sign-up and no email wall, and most tests keep working with no connection at all.
Frequently asked questions
- How do I know if my mouse is double-clicking?
- Click once and watch the result. A healthy mouse records exactly one click for one press. If a single, deliberate press shows two click events with a tiny gap between them, the mouse is double-clicking. Repeat several times: a fault that keeps reappearing confirms a worn switch rather than a one-off slip.
- What gap counts as a misfire rather than a real double-click?
- A real double-click from two deliberate presses is usually 100 milliseconds or more apart. A misfiring switch bounces in a few milliseconds, far faster than a human can click twice on purpose. The very short gaps shown here, from a single press, are the giveaway of a failing switch.
- Can software fix mouse double-clicking?
- Some mouse software adds a debounce delay that ignores a second click within a set time, which can mask a mild fault for a while. It treats the symptom, not the cause: the switch keeps wearing. For a mouse that doubles often, replacing the switch or the mouse is the lasting fix.
- Does this test send anything to a server?
- No. The whole test runs in your browser on your own device, and nothing it reads is uploaded, recorded or stored. You can prove it by disconnecting from the internet after the page loads: the test keeps working. There is no sign-up and no account.
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