Blur Background

Add portrait-mode background blur to any photo. Choose blur type and intensity. Free, private, all processed in your browser.

About Blur Background

Add portrait-mode background blur to any photo. Uses AI to detect subjects and apply Gaussian blur to the background. Choose blur intensity from subtle to dramatic. All processing in your browser.

AI Subject Detection

Automatically identifies people and objects in your photo to blur only the background while keeping subjects sharp.

Adjustable Intensity

Control blur strength from 2px to 30px. Create anything from a subtle depth effect to dramatic bokeh.

Portrait Mode Effect

Get the DSLR portrait look on any photo. Works even on images taken with phone cameras without depth sensors.

In-Browser Processing

All AI processing happens locally. No server upload, no account, no limits. Your photos stay private.

📋 Common Use Cases

Portrait Mode for Any Photo

Add a professional depth-of-field blur behind the subject of any photo, even if your phone doesn't have portrait mode.

Privacy Protection

Blur out identifiable backgrounds, bystanders, or location details in photos before sharing them publicly.

Product Photography Enhancement

Create a clean, focused product image by blurring distracting backgrounds behind your item.

Creative Bokeh Effects

Apply artistic lens blur to transform busy or messy backgrounds into smooth, aesthetic bokeh.

🪜 How to Use This Tool

Upload your photo
Select a photo where you want to blur the background while keeping the subject sharp.

AI detects the subject
The AI automatically identifies the main subject and masks the background for blurring.

Choose blur style and intensity
Select gaussian, box, or lens blur and adjust the strength slider to your preference.

Download with blurred background
Save your photo with the applied background blur effect.

Frequently Asked Questions

Is this image tool really free?▼

Yes. Every image tool is completely free. No signup, no account, no payment. All processing happens in your browser.

Are my images uploaded to a server?▼

No. All image processing happens locally in your browser. Your images never leave your device. This is especially important for sensitive photos, IDs, and personal documents.

How does the AI background remover work?▼

It uses the @imgly/background-removal library running an IS-Net neural network entirely in your browser via WebAssembly. First use downloads a ~10MB model (cached for future visits). No image data is sent to any server.

What file formats are supported?▼

JPEG, PNG, WebP, SVG, GIF, BMP, and HEIC. Conversion between all formats is supported. AI features work on JPEG and PNG inputs.

What is the maximum image size?▼

Images up to ~4000x4000px process smoothly on modern devices. Very large images may be slower. For batch processing, up to 20 images at a time is recommended.