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How to Blur a Picture for FREE on iPhone & Android
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How to Blur a Picture for FREE on iPhone & Android

author Author: Suzee Skwiot
Jun 17, 2025 · 3 minutes read
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Blur a picture can add powerful visual effects for creatives. A well-blurred portrait background can bring focus to a subject, and when you need to virtually “clean up” a photo with a messy background, you can try to blur out part of a picture.

How to blur part of a picture

Luckily, blurring the background or unwanted elements can be an easy fix to make your photos look more professional. In this article, we’ll teach you how to blur a picture with the best blur photo app - YouCam Perfect, for free on your iPhone or Android devices.

How to Blur a Photo on iPhone & Android for Free

Blurring a picture can be an easy way to make your photos look more professional and polished. With YouCam Perfect, it's easy to get this effect for free on your iPhone or Android device. Follow the 5 easy steps to get started!

Step 1. Download a Free Photo Blur App

Download a free Blur photo app, YouCam Perfect, to start your photo editing journey. It’s available for either iOS or Android, you can easily download it for any device.

Step 2. Upload Your Photo

Once you’ve captured your photo, whether it’s a selfie, group picture, or landscape, open the Edit tab in YouCam Perfect. From here, head to Tools, and the Blur.

Step 3. Blur Part of the Picture

How to blur part of a picture

Another way of blurring your image is via the Blur effect, choose the shape of the outline you’d like to use to shape the blur effect. For example, the Circle shape creates a perfectly round centered shape, while the ellipse gives a long oval shape, ideal for full-length images or selfies.

Step 4. Blur the Background of the Picture

How to blur part of a picture

Use "Mosaic Blur" to blur your photo background. There are currently 6 different blur particles you can choose for your picture.

Feel free to adjust its particle size or feathering to create the effect you want.

How to blur the background of a picture

You can also choose to blur the whole background of the picture, by using the eraser to clean up the parts you'd like to show, like your portrait.

Step 5. Save the Photo

Once you’ve finalized the blur effect that best fits your style, accept the changes, and you’re ready to share your blurred photo!


💡Bonus Tip: How to Blur the Entire Picture

If you want to blur the whole picture to create a retro aesthetic, here's what you can do. 

  • Head over to "Tools", and tap on "Blur" feature. 
  • Click on "Brush", which will automatically blur out the whole image
  • Use the slider to control how blurry you want the image to be

Why YouCam Perfect Is the Best Blur Photo App

How to blur the background of a picture

In professional photography, achieving this natural separation is done by adjusting the camera’s aperture setting. However, with the YouCam Perfect app, You can easily reshape the size of the outer edges of the effect by dragging the outer shape outline.

  • By making the outer shape smaller, you can increase how quickly the from the center of the image the blur occurs.
  • By making the outer shape larger, you can retain more of the image in focus and lessen the harshness of the blur.

Being able to adjust these details makes YouCam Perfect your best tool to blur the background or parts of the picture. Moreover, if you're out of cellphone storage, you can consider using YouCam Online Editor to make your photo edit as well!


Download YouCam Perfect: Best Free App to Blur a Photo on iPhone & Android

With YouCam Perfect, you can easily blur a photo. This app offers a range of blurring options, from subtle background blurring to customized bokeh effects. You can even use the Blur tool to make unwanted objects vanish from your photos. Ready to get started creating your blur pic? Download the YouCam Perfect app now!

How to blur the background of a picture

Video Tutorial: How to Add Blur Effect to Photo

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Related Posts:

Easily Blur Part of A Picture on iPhone & Android

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How To Blur a Picture on iPhone FAQs

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