Do you want to insert an image on your web page, but you don't know how to adjust its size to fit the design? Do you want to learn how to use HTML tags and attributes to modify the width and height of an image? Do you know the benefits and drawbacks of each method? If the answer is yes, this article is for you.
In this article, We are going to teach you how to adjust the size of an image in html, using different options and resources that will allow you to create attractive and optimized images for your website. We are also going to show you the advantages and disadvantages of each option, as well as some tips and good practices to improve your work.
What is an image in html and how to insert it
An image in html is an element that allows you to display a visual representation of an object, a person, a landscape or anything else. To insert an image in html the tag is used , which is an empty tag, i.e. that has no closure.
The label has several attributes that allow you to specify the information and characteristics of the image. The most important are:
- src: is the attribute that indicates the path or address of the image file. It can be a relative path (within the same website) or an absolute path (on another website). For example: either .
- alt: is the attribute that indicates the alternative text of the image, that is, the text that is displayed when the image cannot be loaded or a screen reader is used. It is a mandatory attribute and must describe the content or function of the image. For example: .
- title: is the attribute that indicates the title of the image, that is, the text displayed when the cursor is hovered about the image. It is an optional attribute and can be different than alt text. For example: .
How to adjust the size using the width and height attributes
One of the easiest ways to adjust the size of an image in html is to use the width and height attributes) that allow you to specify the width and height of the image in pixels. For example:
These attributes have some advantages and disadvantages:
- Advantages:
- They are easy to use and do not require any additional knowledge.
- They allow you to reserve the necessary space for the image before loading it, which prevents the page from jumping or changing during loading.
- gives you the option of adapt the image size to the design of the page without having to modify the original file.
- Disadvantages:
- They can distort the aspect ratio or quality of the image if values other than the original size are used.
- It does not allow the image size to be adjusted according to the size of the user's screen or device.
- They do not allow applying effects or additional styles to the image.
How to resize an image in html using CSS
Another way more advanced and flexible To adjust the size of an image in HTML is to use CSS (Cascading Style Sheets), which is a language that allows you to define and apply styles to HTML elements. To use CSS you can use the tag inside the html document, an external file with a .css extension. For example:
img { width: 500px; height: 600px; } either
Using CSS has some advantages and disadvantages:
- Advantages:
- Allows you to adjust the image size proportionally, using the object-fit property or the calc() function.
- Let's adjust the image size depending on the size of the user's screen or device, using relative units (%, em, vw, vh) or media queries.
- Additional effects or styles can be applied to the image, such as borders, shadows, filters, or transformations.
- Disadvantages:
- Requires greater knowledge and mastery of the CSS language.
- Can generate conflicts or inconsistencies with other styles applied to the page or image.
- It can affect performance or page loading speed if too many styles or effects are used.
How to adjust the size using an external program
A third option to adjust the size of an image in html is to use an external program that allows you to modify the size of the image file before inserting it into the page. Some of these programs are:
- GIMP: is a free and open source program that allows you to professionally edit and manipulate images. With GIMP you can change the size of an image Using the “Scale Image” option from the “Image” menu. You can also optimize the weight and quality of the image using the “Export As” option in the “File” menu. You can download GIMP from its official website.
- Photoshop: is a paid and referral program that allows you to create and edit images in an advanced way. With Photoshop you can change the size of an image using the “Image Size” option in the “Image” menu. You can also optimize the weight and image quality using the “Save for web” option from the “File” menu. You can download Photoshop from its official website.
- Online Image Resizer: is a free online tool that allows you to change the size of an image without having to install any program. With Online Image Resizer you can upload an image from your computer or from a URL, choose the desired width and height, and download the modified image. You can access Online Image Resizer from its official website.
Adjust the image the way you want
In this article we have shown you how to adjust the size of an image in HTML, using different options and resources that will allow you to create attractive and optimized images for your website. We have also shown you the advantages and disadvantages of each option, as well as some tips and good practices to improve your work.
We hope that this article has been useful to you and that you are encouraged to try these options and resources to adjust the size of an image in HTML. Remember that the most important thing is to choose the option that best suits your needs and objectives.
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