How to Blur the Background of an Image Online

Last Updated: 2025. 01. 23

How can I blur the background of a photo?

How do I make a picture blurry in the background?

Have you ever found yourself in this situation: you’ve captured the perfect shot, but the messy background distracts from the subject, or the photo feels out of focus when you want to emphasize the subject? If so, learning how to blur the background is a must-have technique.

When it comes to selecting a tool to pixelate or blur the background, online solutions are often the best choice since they don’t require any downloads. In this article, we’ve rounded up three of the best online tools to help you blur the background of an image effortlessly. Let’s get started!

FlexClip: Blur Background Image Online with Flexibility

If you're looking to blur image backgrounds with maximum flexibility, FlexClip is an excellent all-in-one image editor to try. With FlexClip, you can easily obscure the background and choose from various blur effects, including Gaussian, Bokeh, Grainy, Radial, Square, and Rhombus, to add unique aesthetic touches. It also lets you adjust the intensity of the blur, ensuring you achieve the perfect look. Plus, its compatibility with diverse image formats eliminates the hassle of converting files, making the process seamless and efficient.

Blur Image Background Online with FlexClip

Blur Image Background Online with FlexClip

Summary of FlexClip’s Features

  • Various effects to blur the background with unique aesthetic touches.
  • Apply stroke effect to highlight the subject in the blurry background.
  • Support a wide range of image formats to easily blur image background.
  • How to Blur the Background of an Image Online Using FlexClip

    Step 1
    Under the Media section, import the image you’ll blur the background from computer, mobile, Google Drive, Google Photos, One Drive, Dropbox, etc.
    Import the Image You Want to Blur to FlexClip

    Import the Image You Want to Blur to FlexClip

    Step 2
    Drag and drop the image to timeline. Click on Inside Motion to disable the default zoom-in animation. Then move to Edit > Blur to select from the blur effect you want to apply. Also adjust the intensity value to control the amount of blurred background.
    Enable the Blur Feature to Obscure the Background

    Enable the Blur Feature to Obscure the Background

    Step 3
    Tap on Add as Layer to add the original picture again and use Remove BG > AI Image BG Removal tool to get rid of the background.
    Add the Original Image Again and Remove the Background

    Add the Original Image Again and Remove the Background

    If you want to make the subject more stand out, select a stroke effect to circle the subject.

    Add Stroke to Highlight the Subject

    Add Stroke to Highlight the Subject

    Step 4
    Resize the subject to match the original one. Once you’re done, right-click on timeline and select Export Frame to download the image blurry background.
    Download the Background Blurred Image from FlexClip to Local

    Download the Background Blurred Image from FlexClip to Local

    Pixelcut: Blur Background in Photo Online

    Want to make background blurry in picture online without signing up? Pixelcut’s free background blurry tool is a nice option for you. Once you upload the image, the background will be instantly blurred without any extra steps. If the blur effect feels too strong or too subtle, you can easily adjust the Strength slider to achieve the perfect look. For off-center subjects, Pixelcut offers a drag-and-drop feature to reposition them and maintain a natural appearance. Once you're satisfied with the result, click the Download button to save your blurred image.

    Blur Background in Photo Online with Pixelcut

    Blur Background in Photo Online with Pixelcut

    Summary of Pixelcut’s Features

  • Easily pixelate the background to make focus on the subject.
  • Control the blurry intensity with a sliding move.
  • Able to change the subject position and download it without a watermark.
  • How to Blur the Background of an Image Online Using Pixelcut

    Step 1
    Open Pixelcut website with your browser and upload the image you wish to blur the background.
    Open Pixelcut Website and Upload the Image You Want to Blur

    Open Pixelcut Website and Upload the Image You Want to Blur

    Step 2
    Without a sign up, Pixelcut will straightly blur the background. On the left panel, adjust the Strength degree to control the blurry effect.
    Blur the Background and Adjust the Amount of Blurry Effect

    Blur the Background and Adjust the Amount of Blurry Effect

    Step 3
    You can move the subject position to make it focus on the center. After edits, click on Download button to save your background obscure picture.
    Adjust the Subject Position and Download the Blurred Image

    Adjust the Subject Position and Download the Blurred Image

    RGBKit: Blur the Background of an Image Online

    RGBKit is an all-in-one online platform to easily edit image and process PDF files. From image format conversion to basic photo edits including blur picture background, RGBKit has a suitable solution for you. With a click operation, this tool will automatically blur the photo background to create a depth-of-field effect, making the subject stand out to create a professional look. For personal customization, RGBKit gives you the freedom to control the intensity of the blur effect as you want. The blurry background effect can be checked in real-time and you can download it without a watermark-added.

    Blur the Background of an Image Online with RGBKit

    Blur the Background of an Image Online with RGBKit

    Summary of RGBKit’s Features

  • Automatically blur the image background online.
  • Control the blur intensity with a slider operation as you like.
  • Freely download the blurry background image without watermark.
  • How to Blur the Background of an Image Online

    Step 1
    Visit RGBKit website and find the Blur Background tool.
    Step 2
    Upload the image you want to blur the background or use a drag-and-drop operation to import.
    Upload the Image You Want to Blur Background to RGBKit

    Upload the Image You Want to Blur Background to RGBKit

    Step 3
    RGBKit will instantly obscure the background and showcase the default result to you. You can also move the slider to adjust the blur intensity to ensure the subject stand out completely.
    Preview the Result and Adjust the Intensity Degree to Control the Blurred Effect

    Preview the Result and Adjust the Intensity Degree to Control the Blurred Effect

    Step 4
    Once you’re satisfied, click on Download button to save the background blurry picture on PC.

    Frequently Asked Question

    1.How to change the background of image?

    Changing the background of an image is effortless with FlexClip’s AI image editor. Powered by AI technology, it removes backgrounds while ensuring smooth edges and offers hundreds of preset backgrounds to choose from. For a personal touch, you can even use the AI image generator to create a custom background from a text prompt.

    2.How to make the image background transparent?

    To create a transparent background for an image, a background remover is essential. Most tools use AI technology to automatically remove the background, delivering high-quality images with transparent backgrounds and saving you from the hassle of time-consuming and complex manual edits.

    3.How to remove image background in batch?

    Have multiple images that need background removal? FlexClip’s bulk image background remover has you covered. It supports various image formats and can process up to 10 images at once, allowing you to start removing backgrounds effortlessly. Plus, you can replace backgrounds with a variety of options or use the AI image generator to customize them to your liking.

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