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Optimizing the images before uploading them to WordPress or any other CMS is a task that we recommend that you always do. Otherwise, your images will consume a lot of space on your hosting, the site where you have your website hosted.

Therefore, not optimizing images will cause a slowdown and as a consequence the loading speed of your site will be slow. This, as you know, is a factor that Google takes into account for web positioning and for which it can even penalize.

In these times, visual content is the most influential in users and it is normal that in the content strategy of your blog or website you want to include illustrations, infographics, GIFs, memes or banners to impact your audience.

In addition, we have, together with other design tools, online applications to optimize, resize and compress images without losing any quality.

How to reduce the size of jpg images without losing quality

Reducing the size of photos does not mean that they are 100 % optimized. It is necessary to take into account other actions for its optimization.

So before uploading anything to your content manager or CMS, we recommend that you first reduce the size of the image and then compress its weight without losing quality. This means that in addition to reducing the number of Mb or Kb, you must also reduce the number of pixels (px).

Note: If you are looking for quality images for your website or for your blog posts or social networks, we recommend that you use professional image banks such as Freepik or Shutterstock. It is undoubtedly one of the most complete and practical image banks on the market.

Applications and programs to reduce the size of your images

These are some of the tools that we have already tried (and that we use today) to optimize photos before uploading them to any website, always maintaining the best possible quality and occupying the least space.

➽ TinyPNG and TinyJPEG

It is an easy-to-use online application that allows you to reduce photos and change the size of any image online in just a few clicks. So much Tiny PNG how Tiny jpeg It will allow you to reduce the weight up to 70 %.

The most notable feature is that you can upload up to 20 files at a time of 5 MB each, through the smart option "lossy". Specifically, what it does is reduce the number of colors (hardly noticeable visually) so that it occupies fewer bytes.

Another positive point is that you can download a free plugin for WordPress and an extension for Magento.

➽ Optimizilla

This tool can be found in Spanish, which will facilitate its use. With Optimizilla you can reduce up to 20 images at a time. This means that you can quickly and effectively reduce the size of your jpg and png images without losing quality.

What differentiates this program to reduce the size of the images with the previous one, is that you can adjust the compression level through a slider on the right side.

But what we like the most is that we can compare it with the original file and view the result before downloading it.


It is an application to reduce the size of images. Among its features, it stands out that it supports up to 4 formats: JPEG, PNG, GIF, SVG.

On the other hand, te offers two types of compression. Lossless (lossy compression for JPEG and PNG) and lossy (lossy compression). The first, the reduction is insignificant, but the second achieves good results, being able to reduce its size to 90%.

Another peculiarity of is that it allows you to reduce images of up to 10 MB. Afterwards, you can directly download the images or upload them to Drive or Dropbox.

➽ JPEGmini

JPEGmini is an application that has a free version and allows you to upload up to 20 files per day.

Although the Pro version is much faster, the free version is just as effective, since it maintains a high resolution, reducing the size of jpeg files to almost 80%.

➽ Web Resizer

If you don't have a lot of knowledge about design and editing, don't worry, this program is ideal for newbies.

Web Resizer allows you to load images of up to 5 megabytes and thanks to its simple editor you can edit your images. These are some functions that you can use:

  • Reduce the weight of the image.
  • change the size (width and height).
  • Trim.
  • Focus.
  • Rotate.
  • Modify its brightness, contrast or saturation.

➽ FILEminimizer Pictures

It is a software that reduces the size of your images without losing quality or resolution by up to 98 %. And it supports all these formats: JPG, PNG, BMP, GIF, TIFF, EMF, among which you can choose 4 levels of compression.

Ah! In addition, FILEminimizer allows you to compress files at a time of 5 Mb, reducing them to 0.1Mb.

➽ Image Optimizer

Although at first glance the page does not give a professional 100% image, this is another effective tool to reduce the size of your images and improve their quality. And you can do it by downloading Image Optimizer on your desktop (if you have Windows) or you can work on it online.

You have the option of choosing up to 6 types of understanding, ranging from lowest quality to highest quality.

➽ is a plugin for WordPress (created by WebEmpresa) that can be used by any user, regardless of whether they are a client or not.

It gets to reduce between a 20% and a 70%, without losing hardly any quality. The truth is that it is a tool that we recommend for its efficiency, speed and ease of use.

All you have to do is install the plugin and activate it so that it automatically optimizes the images. Therefore, if you decide to upload the image to WordPress first, you can reduce its size and optimize it with this plugin after uploading it to the server.


Images are a very important element, whether you use them on your blog, website, online store or social networks. These are responsible for attracting the attention of users, to retain them longer on your site and to generate a good impression with your brand.

But if there is something that you should not neglect, it is their sizes and / or quality because in the end this will affect the speed of your load and will affect your web positioning. Therefore, reducing the size of your online images is necessary and you can help yourself with this list that we recommend. Give them a try and tell us which one is the most effective for you!