使用市場上最熱門的 Upscaler 將圖像升級到 4k

Upscale image to 4k became in demand on many software, whether professional or not. Users believe a higher resolution like 4k will make their picture detailed, sharp, clear, and better. Yet, you can enjoy the 4k images if you use them for advertising outdoors, printing high-quality tarpaulin, viewing them on large digital screens, most digital cinematography, and more. The PPI or image resolution purpose is to project a precise number of pixels depending on the width and height of the image. Do you want to know how to turn your photo into a 3840 x 2160? Or do you prefer the DCI 4k, which is 4069 x 2160? This article includes the information you’ll need to know to achieve the UHD resolution known as 4k.

第 1 部分。如何使用最佳解決方案 [Web 服務] 將圖像升級到 4k 免費

FVC Free Image Upscaler is the most simplistic 4k image upscaler you can use to achieve the 4k resolution. This tool doesn’t only upscale your image, but it also corrects the PPI on your photo to make it match the resolution of your choice. It is an upscaler, which means the image you upload here will never be stretched out or lose some quality, all thanks to the best AI tech the FVC ads on it. Do you need a demonstration of how to use this? If so, follow the complete steps we add below and start upscaling the image you want.

Step 1. You must click this link to open the tool on a new tab. It will direct you to the official tool you’ll use to change the upscale image you want.

Step 2. Hit the Upload Photo to add the JPG, JPEG, PNG, GIF, BMP, or SVG you want to upscale into a 4k resolution.

Step 3. After that, the image you upload will load up to the tool. Then, choose the options from 2x, 4x, 6x, and 8x above to achieve the 4k resolution.

Step 4. To export the 4k image you improve here, click the Save button; it will automatically be saved to your file folder.

第 2 部分。如何在 Windows 默認圖形編輯器上將圖像升級為 4k 離線 [免費]

Paint is a default graphics editor you can use on your Windows to upscale an image to 4k by changing its dimension. This software became popular among many Windows users because of what you can do here. You can start a blank canvas and paint it like you usually do on a canvas, but this is digital. It has a lock-in feature so that when you adjust the height of the image, the width of it will follow or vice versa. Also, you can use percentages to tweak the dimension of your image.

雖然您可以將這個工具用作您的編輯器，但在其他編輯領域仍然不夠用。例如，它不支持灰度模式。因此，如果您想使用此工具，請按照我們添加的步驟操作。

Step 1. Click the Window icon on your screen and type the tool's name, Paint.

Step 2. After you open it, click the File, then Open, and add the image file you want to upscale here. You can drag and drop the image into this tool if you want to.

Step 3. Go to the Resize option and click the Pixel. Change the measurement of the height or width to the standard 4k.

Step 4. With that, click the Save button to download the image you upscale here.

第 3 部分。如何在 Windows 和 Mac 上使用專業軟件將圖像升級到 4k [付費]

Adobe Photoshop allows its user to experience a new height of image editing and upscaling, but for now we will be more detailed with its upscaling function. We can’t argue that it's an expert choice of software because of how immersive this tool is in image editing. Also, this tool creates new PPI data to the image once you upscale them in here with the help of the algorithm that is accumulated on your file. You can change the resolution to 4k without making it stretched out or pixelated.

但是，如果您已使用此應用提供的免費試用版，則需要購買該計劃。儘管您需要付費，但該軟件的整體性能非常適合專業和中級編輯使用。對於初學者，您可以按照以下說明學習如何將圖像放大到 4k。

Step 1. Download the official version of this software on Adobe, but if you already have the app, you can open it directly to start using it.

Step 2. To upload the image you want to upscale, click File then Open, and a folder will show on your screen. Select the image file name and press Open to upload the image.

Step 3. On the upper section, click the Image option and select the Image Size.

Step 4. A dialogue box will adjust the measurement for your image's height, width, and resolution.

Step 5. To download the image you upscale into 4k, click the File and go to Save.

相關閱讀：

Simple Guide on How to Add Watermark to a Video in Photoshop Quickly

Improve Image Quality Using These Quick and Easy Methods

第 4 部分。關於如何將圖像升級到 4k 的常見問題解答

結論

通常，您需要一個 4k 圖像升頻器來將圖像調整為 4k 分辨率。您可以使用我們在此處添加的工具和教程輕鬆完成此操作。您可以開始使用在線服務來升級您想要的圖像，您會對結果感到驚訝。