在使用网络浏览器时，您可以通过多种方式优化阅读体验。一种方法是放大并放大您要阅读的网页上的文本、图像和图标。您可能需要这样做，因为您的眼睛很累，或者屏幕的分辨率不理想。但是，在某些时候，您可能需要缩小或重置缩放级别才能恢复正常。以下是在Google Chrome、Microsoft Edge、Opera和Mozilla Firefox中执行所有这些操作的方法：
注意：(NOTE:)放大和缩小会调整网页的整个内容的大小，包括图像。如果您只需要修改网页上的文本大小而不影响其他元素，我们也为您提供了本教程：如何在 Chrome 和其他浏览器（Firefox、Edge、Opera、Internet Explorer）中使文本变大)(How do I make the text bigger in Chrome and other browsers (Firefox, Edge, Opera, Internet Explorer)) . 您还可以使用全屏(Full screen)模式(using Full screen mode)增加网页可用的屏幕空间。
如何在Chrome(Chrome)中放大和缩小
在Windows设备上使用(Windows)Google Chrome时，最直接的放大和缩小方法是使用键盘快捷键。要放大（使内容变大），请按CTRL和 +（加号），要缩小（使内容变小），请按CTRL和 -（减号）。
通过按Ctrl和 + 或 - 号在Chrome中放大和缩小
另一种放大和缩小的方法是同时使用键盘和鼠标。使用鼠标滚轮时，按住键盘上的CTRL 。(CTRL)向上滚动会增加网页内容的大小，而向下滚动则会减小它。
Use CTRL +鼠标滚轮在Chrome中修改缩放级别(Chrome)
最后，您可以使用Google Chrome界面进行放大和缩小。首先(First)，单击或点击“自定义和控制 Google Chrome”(“Customize and control Google Chrome”)按钮（带有三个垂直点的按钮）。然后，单击或点击缩放(Zoom)旁边的 (+) 和 (-) 按钮。
访问Google Chrome中的(Google Chrome)缩放(Zoom)控件
在Chrome中放大或缩小时，您可以通过单击或点击地址栏右侧的放大镜图标，然后单击重置(Reset)来禁用缩放并返回到默认大小。您还可以使用相邻的加号 (+) 和减号 (-) 按钮更改缩放级别。
(Reset)通过单击放大镜图标重置或修改缩放级别
注意：(NOTE:)放大镜图标仅在当前缩放级别不是 100% 时出现。
如何在Microsoft Edge(Microsoft Edge)中放大和缩小
就像使用Google Chrome一样，您可以使用键盘快捷键在Microsoft Edge中放大和缩小。(Microsoft Edge)您可以通过同时按CTRL和 +（加号）来增加内容的大小，通过同时按CTRL和 -（减号）来减小内容的大小。
如果您愿意，可以使用键盘和鼠标进行放大和缩小。您可以通过在使用鼠标滚轮的同时按住键盘上的CTRL来执行此操作。(CTRL )如果要增加网页内容的大小，向上滚动；如果你想减少它，向下滚动。
放大和缩小也可以在不使用键盘的情况下完成。首先(First)，单击或点击“设置等(Settings and more)”，该按钮位于浏览器窗口的右上角，带有三个水平点。然后，单击或点击缩放(Zoom)旁边的 (+) 和 (-) 符号。缩放百分比显示在按钮之间。
Microsoft Edge菜单中的缩放控件
您可以通过单击或点击地址栏右侧的放大镜图标快速放大和缩小或将缩放级别重置为 100%。要恢复到原始缩放级别，请单击重置(Reset)。
(Modify)通过单击放大镜图标修改缩放级别
注意：(NOTE:)放大镜图标仅在当前缩放级别不是 100% 时显示。
如何在Mozilla Firefox(Mozilla Firefox)中放大和缩小
使用Mozilla Firefox(Mozilla Firefox)时有三种放大和缩小方法。第一种方法是使用键盘。按CTRL和 +（加号）可增加缩放级别，按CTRL和 -（减号）可降低缩放级别。
在Mozilla Firefox(Mozilla Firefox)中更改缩放级别的第二种方法是使用鼠标滚轮和键盘。按住键盘上的CTRL并向上（以增加(CTRL)缩放(zoom)级别）或向下（以降低缩放级别）旋转滚轮。
您还可以使用界面放大和缩小。首先(First)，单击或点击位于窗口右上角的“汉堡”按钮（“打开应用程序菜单”）。(Open application menu)然后，使用缩放旁边的 (-) 和 (+) 按钮来修改缩放级别。(Zoom)您可以通过按 (-) 和 (+) 按钮之间的百分比来重置缩放级别。
(Zoom)Mozilla Firefox菜单中的缩放控件
如果您想在不访问菜单的情况下快速重置缩放级别，请单击或点击显示缩放百分比的按钮，该按钮位于地址栏的右侧。仅当缩放不是 100% 时才会显示缩放级别。
通过单击缩放百分比重置(Reset)缩放级别
在 Opera 中使用放大和缩小
与其他浏览器类似，您可以在使用Opera时通过键盘进行放大和缩小。按 CTRL(Press CTRL)和 +（加号）可放大，按CTRL和 -（减号）可缩小。
您还可以通过使用鼠标和键盘来修改缩放级别。按住键盘上的CTRL，然后使用鼠标上的滚轮放大和缩小。
或者，您可以使用Opera菜单进行放大和缩小。单击(Click)或点击位于窗口左上角的“自定义和控制 Opera ”按钮（ (Customize and control Opera)O字母）。转到缩放(Zoom)并按 (-) 按钮缩小，按 (+) 按钮放大。当前缩放级别显示在两个按钮之间。
Opera 菜单中的缩放控件
如果缩放级别不是 100%，浏览器地址栏右侧会出现一个按钮。您可以单击此图标来修改缩放级别或将其重置为 100%。
(Quickly)使用放大镜按钮快速修改缩放级别
您如何访问浏览器中的缩放功能？
缩小为我们节省了大量的滚动，而当我们使用小屏幕和高分辨率的设备时，放大非常有用。在浏览器中放大和缩小时，您更喜欢使用什么方法？在下面的评论中告诉我们。
How to zoom in and zoom out in your web browser -
There are several waуs in which yоu can optimize the reading expеrience while usіng а web brоwser. One way is to zoom in and make the text, images, and icons bigger on the web pageѕ that you wаnt to read. You may need to do thіs because your eуes are tired, or the resolution of the screen is not ideal. Howeνer, at some point, you may need to zoom out or resеt the zoom levеl to get things back to normal. Here’s how to do all this in Gоogle Chrome, Microsoft Εdgе, Opera, and Mozilla Firefox:
NOTE: Zooming in and out resizes the entire content of web pages, including images. If you only need to modify the size of the text on web pages without impacting other elements, we have you covered as well with this tutorial: How do I make the text bigger in Chrome and other browsers (Firefox, Edge, Opera, Internet Explorer). You can also increase the screen space available for web pages by using Full screen mode.
How to zoom in and zoom out in Chrome
The most straightforward way to zoom in and out when using Google Chrome on Windows devices is by using the keyboard shortcuts. For zooming in (making the contents larger), press CTRL together with + (the plus sign), and for zooming out (making the contents smaller), press CTRL together with - (the minus sign).
Zoom in and out in Chrome by pressing the Ctrl and the + or - sign
Another way to zoom in and out is by using both your keyboard and mouse. Keep CTRL pressed on your keyboard while using the mouse scroll wheel. Scrolling up increases the size of the web page content, while scrolling down decreases it.
Use CTRL + mouse wheel to modify zoom levels in Chrome
Finally, you can zoom in and out by using the Google Chrome interface. First, click or tap the “Customize and control Google Chrome” button (the one with three vertical dots). Then, click or tap on the (+) and (-) buttons next to Zoom.
Access the Zoom controls in Google Chrome
When zoomed in or out in Chrome, you can disable the zoom and return to the default size by clicking or tapping on the magnifying lens icon on the right side of the address bar and then on Reset. You can also change the zoom level by using the adjacent plus (+) and minus (-) buttons.
Reset or modify zoom levels by clicking the magnifying glass icon
NOTE: The magnifying glass icon only appears if the current zoom level is not 100%.
How to zoom in and zoom out in Microsoft Edge
Just like with Google Chrome, you can zoom in and out in Microsoft Edge using keyboard shortcuts. You increase the size of content by pressing CTRL together with + (the plus sign) and you decrease it by pressing CTRL together with - (the minus sign).
If you prefer, you can use your keyboard and mouse to zoom in and out. You do this by pressing and holding CTRL on your keyboard while using the mouse scroll wheel. If you want to increase the size of the web page content, scroll up; if you want to decrease it, scroll down.
Zooming in and out can also be done without the use of a keyboard. First, click or tap on “Settings and more”, the button with three horizontal dots situated in the upper right corner of the browser window. Then, click or tap on the (+) and (-) signs next to Zoom. The zoom percentage is shown between the buttons.
The zoom controls in the Microsoft Edge menu
You can quickly zoom in and out or reset the zoom level to 100% by clicking or tapping on the magnifying glass icon on the right side of the address bar. To revert to original zoom levels, click on Reset.
Modify zoom levels by clicking the magnifying glass icon
NOTE: The magnifying glass icon is only shown if the current zoom level is not 100%.
How to zoom in and zoom out in Mozilla Firefox
There are three ways to zoom in and out when using Mozilla Firefox. The first way is to use the keyboard. Press CTRL together with + (the plus sign) to increase the zoom level, and CTRL together with - (the minus sign) to decrease it.
The second way to change the zoom level in Mozilla Firefox is by using your mouse scroll wheel together with the keyboard. Hold CTRL pressed on your keyboard and rotate the scroll wheel up (to increase the zoom level) or down (to decrease it).
You can also zoom in and out by using the interface. First, click or tap on the "hamburger" button (“Open application menu”) situated in the top-right corner of the window. Then, use the (-) and (+) buttons next to Zoom to modify zoom levels. You can reset the zoom level by pressing the percentage between the (-) and (+) buttons.
Zoom controls in the Mozilla Firefox menu
If you want to quickly reset the zoom level without accessing the menu, click or tap on the button that shows the zoom percentage, located on the right side of the address bar. The zoom level only appears if the zoom is not 100%.
Reset zoom levels by clicking the zoom percentage
Using zoom in and zoom out in Opera
Similarly to other browsers, you can zoom in and out when using Opera by using the keyboard. Press CTRL together with + (the plus sign) to zoom in, and CTRL together with - (the minus sign) to zoom out.
You can also modify the zoom level by using the mouse together with the keyboard. Press and hold CTRL on your keyboard, then use the scroll wheel on your mouse to zoom in and out.
Alternatively, you can use the Opera menus to zoom in and out. Click or tap on the “Customize and control Opera” button located in the top-left corner of the window (the O letter). Go to Zoom and press the (-) button to zoom out and the (+) button to zoom in. The current zoom level is shown between the two buttons.
The zoom controls in the Opera menu
If the zoom level is not 100%, a button appears on the right side of the browser address bar. You can click on this icon to modify the zoom level or to reset it to 100%.
Quickly modify zoom levels using the magnifying glass button
How do you access zooming in your browser?
Zooming out saves us a lot of scrolling, while zooming in is very useful when we use devices with small screens and high resolutions. What method do you prefer to use when zooming in and out in your browser? Let us know in a comment below.
