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If you like the Webcam Resolution Test or have any ideas and questions, do not hesitate to leave comments. Please note that all comments are publicly available.

Even if the resolution is an important property of the camera, this does not mean that the higher the resolution, the better the image quality. By and large, a higher resolution usually provides more accurate details and good sharpness. For example, images taken with a higher resolution camera are better when printing large formats, viewing on big screens, or capturing small objects. But even if you do not need all this, Full HD is definitely much better than VGA.

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Liquid contact indicators are placed on several places in electronic devices. For example, underneath the keyboard in a notebook and on several places on its mainboard. Sometimes the liquid contact indicators are placed in such a way that they can be inspected from the outside. For instance there is an LCI in the SIM-card slot of Apple iPhones and in the dock connectors and headphone jacks of iPods made since 2006.[1] In a Samsung Galaxy smartphone there is a LCI underneath the battery cover near the battery contacts.

The main purpose of the liquid contact indicator is to have a lead to the cause of a defect in electronic devices. The manufactuer will not conduct a repair under warranty for a device with an activated LCI.[1] Still there can be reasons for doubt.

Liquid contact indicators are also known by other names such as water damage tape, water damage sticker, water contact indicator tape, liquid submersion indicator.

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In the simplest form, liquid contact indicators are good for a first lead to the cause of defects. LCIs can be replaced, they are readily available in online electronic stores. But the other interest, use in warranty claims, make them prone to potential misuse. Therefore, manufacturers introduced LCIs that are harder to reproduce, even with small holographic details.

The Webcam Resolution Test is a simple and free method to check online, what is the resolution of your webcam. As a result of testing, you will get the complete list of resolutions supported by your camera, as well as some tips, such as maximum resolution, minimum resolution and default resolution.

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The camera resolution determines the width and height of the captured image. Multiplying these values indicates the total number of pixels (abbreviated as “px”). One million pixels are equal to one megapixel which is abbreviated as MP (sometimes as Mpix, Mpx, or MPixel). Megapixels are often used as a measure of camera quality when the manufacturer indicates the maximum supported value. For example, a FHD webcam has a resolution of 1920×1080 and it can capture up to 2073600 pixels or 2.0736 megapixels, rounded off as 2MP.

A liquid contact indicator (LCI) is a small indicator that turns from white into another color, typically red, after contact with water. These indicators are small adhesives that are placed on several points within electronic devices such as laptops and smartphones. In case of a defective device, service personnel can check whether the device might have suffered from contact with water, to protect from warranty fraud.

A nice feature of the resolution test is the possibility to take photos for each supported resolution, thereby you will be able to download them and compare their quality.

By default, it is checked whether your camera supports popular resolution standards. It's fast, but it may not be accurate enough. If you do not want to miss any supported resolutions, enable the brute-force method.