The blur effect enhances the attractiveness of your photos and brings out the main details. If you don't have professional editing software like Photoshop or Corel PaintShop installed on your computer to blur images, you can use fast and simple online tools.

1. Blurring Images with Photopea
Step 1: Access Photopea at the following address: https://www.photopea.com/
Next, click on File (1) => Open (2) to open the image from your computer.

Then, select the image you want to blur (1) and click Open (2) to open it.

Step 2: Click on the Blur (1) tool => Blur Tool (2) to open the photo blurring tool.

Next, right-click on the screen to display the settings panel. Make sure to adjust the size accordingly with the area of the image you want to blur. If the blur area is large, drag the Size slider to the right, and vice versa, drag the Size slider to the left if the blur area is small.

Step 3: Click on the object you want to blur to blur it. To quickly blur a wide area of the image, hold down the left mouse button and move the mouse to the area you want to blur.

Step 4: After finishing the blur, save the image. Click on File (1) => Export as (2) => JPG (3) to save the image in standard format.

Next, choose the quality for the image in the Quality (1) section => Save (2).

2. Blurring Images with Facepixelizer
Step 1: Go to the following website: https://www.facepixelizer.com/#
Next, drag and drop the image from your computer into the Drop Image Files Here area to upload the image.

Step 2: Click on Manual (1) => Blur (2) => select the blur intensity Size (3).

To blur a section of the image, click and hold the left mouse button. Then, encircle the area of the image you want to blur as shown below.

Step 3: After successfully blurring the image, save it by clicking Save. If your image is not yet satisfactory, click on Revert to start over.

3. Blurring Images with Pixlr Editor
Step 1: Go to the following link: https://pixlr.com/editor/
Next, go to the File (1) menu => Open image (2) to open the image file you want to edit from your computer.

Select the image you want to edit (1) and click Open (2) to upload it.

Step 2: Click on the Lasso Tool (1) tool and draw around the image (2).

Step 3: In this article, we'll keep the image within the selected area and blur the rest of the background, so we'll go to Edit (1) => Invert selection (2) to reverse the selection.

Step 4: After inverting the selection, we'll blur it by going to the Filter (1) menu => Box blur... (2).

Step 5: Choose the blur intensity by dragging the slider Amount (1) left or right. Then, click OK (2) to apply.

Step 6: Press the Ctrl + D shortcut to deselect the area, and you'll have the complete image.

Step 7: Press Ctrl + S to save. In the Save dialog box, name your image in the Name (1) field, choose the image format in the Format (2) section, and select the image quality in the Quality (3) section. Once you're done with the settings, click OK (4) to download the image to your device.

With the online image blurring tools mentioned in the article, readers can easily create more attractive and artistic images without needing to install specialized photo editing software on their computers. Wish you all success!