Resize JPG Online

Why You Should Use Watermarkly's JPG Resizer

With our free online JPG resizer you’ll be able to:

✓ Resize JPG images by changing their pixel dimensions

✓ Change the aspect ratio of your image if needed

✓ Increase or reduce the size of JPEG images without losing quality

✓ Change the size of your JPGs by a certain percentage.

How to resize a JPEG image in Watermarkly

When it comes to resizing JPEGs in Watermarkly, here are the three things that you need to keep in mind.

1. You can reduce the image size of your JPEG files

Nowadays, digital cameras and smartphone cameras are getting better and better and thus, produce images of great quality, yet of a rather large size. At the same time, social media platforms, messengers and mail services all have size limits and size requirements, which make it difficult to share large-sized, high-resolution images online. This is why, in the vast majority of cases, people want to use a JPG resizer to make their images smaller.

You might be one of them. Maybe you want to change the pixel dimensions of your images to meet those pesky size requirements. You probably want to make sure that your resized images won’t look blurry or pixelated, as well.

How can you do that?

First of all, once your JPGs are in the app, you need to decide what you want to do with the aspect ratio.

If you want to keep the original aspect ratio, you have three options to choose from – “Exact width”, “Exact height” or “No larger than”.

The latter option will allow you to enter new values in pixels, but please note that you won’t get these exact pixel dimensions. You will actually see this in the preview on the right. Yes, there’s a preview! Every time you enter a new value in the settings, our JPG resizer will show you what pixel dimensions your resized image will have. You won’t have to wait until the resizing process is done!

In addition to this, if you don’t want to deal with pixel dimensions, you can resize a JPEG image by a certain percentage. It works both ways, of course – with this option, you can upscale image as well as reduce the image size.

If the aspect ratio needs to be changed – for example, you need to turn a vertical photo into a horizontal one – go for the “Exact width & height” option. By default, our JPG resizing tool will generate pixels around the original image. This way, no parts or details of it will be lost.

2. You can make your image bigger

When it comes to increasing the size of an image, there’s an issue that you can run into – the image quality might get worse. Your resized image might look unsharp and unclear. It won’t look professional whatsoever. But you can easily avoid this with our free JPEG resize tool.

Here's how you can do it.

Upload your JPEGs into our Resize JPEG app, then pick the “Exact width and height” option. Enter new pixel dimensions. If your resized images need to be twice as bigger as the original ones, check the “High quality resize” box.

Once the app is done processing your files, you will get sharp and clear images of great quality. Please note that in this case, it will take the app longer to resize your images.

When you increase the size of your image, all the pixels get stretched. This is why some lines and details might look quite faint and unclear. Our free JPG resizer uses AI to guess what these faint lines and objects should look like and fills them with suitable colors and shapes. In a way, it will fill in the “blanks” that appeared in the process of resizing. And your resized images will look sharp, clear and of good quality, even if they will be viewed full-screen. No one will ever guess that the size of your images was increased.

If necessary, you can tell the app to add white pixels around your resized JPEG to get the required pixel dimensions.

3. You can crop your image to change the aspect ratio

Our app to resize JPEG has the option to crop your resized images. This feature can be of great help if you need to change both the image size and the aspect ratio. For instance, if you want to turn your rectangular image into a square to post on Instagram. Cropping can also help you remove the unwanted parts of your image.

Please note that the cropping feature appears only if you select the “Exact width & height” option. Enter new values in pixels for the width and the height. Then select the “Crop image” option in the drop-down menu and start the resizing process.

If you need to crop your image or even a batch of images, it might a better idea to use our free photo crop tool. You see, our JPG resizer will crop your photo automatically, based on where the middle of the original image is; as you can guess, this may not always provide the result that you need.

Plus, you will see what your cropped image will look like only after the resizing is done. But in the photo cropper, you will see which parts of your image will be cropped out right away. You will be able to adjust the cropping area and choose what to include and what not to include in your photo. You will have much more flexibility and control over the result.