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什么是 JPG/JPEG 以及如何将图像转换为 JPG

The JPG, PNG, and GIF file formats are the most popular formats nowadays. When it comes to using images on your website or social network posts, these are the files you can encounter. It's crucial to keep in mind that each of these has distinct capabilities. It means that each of them has unique features. But, in this post, we will focus on the JPG/JPEG file format. You will learn its definition, capabilities, and how to open JPG/JPEG files. Also, you will learn the best way on how to convert images to JPG/JPEG format using an online tool.

什么是 JPEG 或 JPG 文件

第 1 部分。有关 JPG 或 JPEG 的信息

什么是JPG/JPEG格式

JPG 图像文件格式是压缩图像时的最佳文件。 JPG 是一种受用户欢迎的文件。他们将其用于照片和互联网图形。此外,它也称为 JPEG 或 JPG 文件。 JPEG的全称是Joint Experts Group。这个小组创建了这个流行的图像文件。此外,大多数位图图像的文件扩展名为 .jpg。主要原因是为了减小文件的大小。 JPG 是一种有损格式,压缩太多会影响图像质量。所有程序都可以访问此格式。这样,您就无需考虑如何在不同的程序或设备上打开此文件。它的压缩算法减小了文件的大小。这也是它近来流行的原因之一。这样,在网站上创作故事、分享和发布照片就更从容了。有关其他信息,您可能会遇到网站无法识别 JPEG 文件的情况。例如,一些照片查看器和编辑器只会打开带有 .JPG 文件的图像。您可以做的最好的解决方案是重命名文件扩展名。您可以将 JPEG 文件更改为 JPG 文件。这样,网站就可以识别图像。

此外,JPG 文件具有您需要知道的优点。 JPG 是高分辨率图像。它的高清晰度是该图像文件的一大优势。它支持多达 1600 万种颜色的 24 位颜色。即使在使用某些工具进行高级编辑之后,分辨率仍然非常好。此外,JPG 的尺寸较小。与其他图像文件格式相比,它具有理想的文件大小。即使尺寸较小,也不会影响图像的质量和分辨率。知道了优点之后,还要知道它的缺点,才能有更多的认识。在 JPG 上拍摄时,您必须限制相机的处理器和颜色变化。此文件也不支持分层图像。如果您打算编辑图像并需要一个额外的图层,JPG 不是完美的格式。

第 2 部分。如何打开 JPG/JPEG 文件

如果您在设备上打开 JPG 文件时遇到问题,这部分将为您提供帮助。您想知道如何在 Windows 11、Android 和 iPhone 上打开 JPG 文件吗?您可以按照下面给出的说明进行操作。

对于 Windows 用户

Step 1: Press the ctrl + E on your keyboard to open File Explorer. It is like a folder icon with a blue clip.

Step 2: Navigate to the Quick access folder panel. Then, go to the Download options to see the JPG photo you saved.

Step 3: When you already see the JPG/JPEG files, open them using other programs besides Photos. To open them, right-click the photo, click the Open with option and select the program.

将图像打开到 Windows

安卓用户

Step 1: Open the Gallery application from your Android device.

Step 2: Open the camera album to view the photos you take with your phone’s camera. There are also various albums on your phone.

Step 3: If you see numerous photos, click a single photo to pen it in full-screen mode. This way, you can view your JPG/JPEG image.

打开 JPG 文件安卓

对于 iPhone 用户

Step 1: Tap Photos on your iPhone. This app contains all the images you have from your photo and the internet. The appearance of this app is like a colorful flower.

Step 2: After you launch the Photos application, you can see all the photos there. Also, like on an Android phone, you will encounter various albums inside the application.

Step 3: Click the image to open it in full screen. This way, you can view the image more clearly. Besides opening the image, you can also edit the photo in the Photos application. There are icons you can use to make your images better.

打开图像到 iPhone

第 3 部分。将图像转换为 JPG 的绝佳方法

FVC Free Image Converter is a tool you can use online to convert images to JPG. It can help you to convert your image in a few clicks. Also, it supports various input formats like JPG, PNG, GIF, TIFF, and more. So, you no longer need to worry if specific tools or devices can no longer open your image. Use this online picture converter to convert them. It can also preserve the excellent quality of the original photos. After the process, you will see no difference between the original and the file you converted. Moreover, This image converter is easy to operate. It offers a comprehensible process of conversion, making it suitable for beginners. It is also capable of converting images by batch. This way, you can convert many files at once. You can also access this application on numerous browsers like Google, Safari, Mozilla, Explorer, and more. Lastly, this app guarantees the privacy of every user. After downloading and converting the image, this image converter will delete your photo automatically.

Step 1: First, visit the FVC Free Image Converter website. Go to the format options and select the JPG file format.

FVC 选择 JPG 格式

Step 2: To upload a photo you want to convert, click the Add Images button. If you want a batch conversion process, click Add Images again.

添加要上传的图像

Step 3: When the conversion process is done, click the Download button to save them one by one. If you want to save them at once, click the Download All button.

下载 JPG 图片

相关:

Full Details about Differences of JPEG vs. JPG vs. PNG

8 Astonishing Image Converters [Complete Information]

第 4 部分。关于 JPG/JPEG 文件的常见问题解答

1. 我怎么知道我的照片是不是JPG文件?

您可以右键单击文件夹中的照片。然后,转到“属性”选项。导航到“常规”菜单并查看图像的文件类型。

2. JPEG 压缩图像的效果如何?

很好。全彩照片的未压缩数据为 24 位/像素。最流行的无损压缩方法可以平均压缩此类数据约 2:1。 JPEG 可以实现 10:1 到 20:1 的压缩,而没有明显的损失。它将必要的存储量减少到每个像素 1-2 位。对于小数据,30:1 到 50:1 的压缩率可以减少缺陷。而像存档索引这样的低质量用途可以相对轻松地进行 100:1 压缩。压缩图像 JPEG 的 100:1 比率使用与全色、十分之一比例图像相同的空间量。尽管比缩略图有更多的细节,但它确实如此。

3. 如何在 Photoshop 中打开 JPG 文件?

在您的计算机上启动 Photoshop。转到文件 > 打开选项。文件夹文件将在您的屏幕上弹出。选择 JPG 文件并单击确定。之后,您将在 Photoshop 中看到 JPG 图像文件。

结论

This article explains to you what JPG/JPEG stands for, including its definition and features. As a bonus, we also introduced to you the easiest method to convert images to JPG format using FVC Free Image Converter. So, what are you waiting for? Use this tool to convert your images to JPG format effortlessly.

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